System Reference Manual

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

X15

System Reference Manual

Revision B1 July 22, 2016

Author:

Gerald Coley Gcoley1@emprodesign.com

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

THIS DOCUMENT

This work is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported License. To view a copy of this license, visit _http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative Commons, 171 Second Street, Suite 300, San Francisco, California, 94105, USA._

All derivative works are to be attributed to Gerald Coley of BeagleBoard.org.

For more information, see _http://creativecommons.org/license/results-one?license_code=by-sa_

For any questions, concerns, or issues submit them to gerald@BeagleBoard.org

DESIGN

These design materials referred to in this document are

NOT SUPPORTED and DO NOT constitute a reference design. Only “community” support is allowed via resources at BeagleBoard.org/discuss.

THERE IS NO WARRANTY FOR THE DESIGN MATERIALS, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES PROVIDE THE DESIGN MATERIALS “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE DESIGN MATERIALS IS WITH YOU. SHOULD THE DESIGN MATERIALS PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

We mean it; these design materials may be totally unsuitable for any purposes.

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

UNITED STATES FCC AND CANADA IC REGULATORY COMPLIANCE INFORMATION

The BeagleBone is annotated to comply with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

This Class A or B digital apparatus complies with Canadian ICES-003. Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Cet appareil numérique de la classe A ou B est conforme à la norme NMB-003 du Canada. Les changements ou les modifications pas expressément approuvés par la partie responsible de la conformité ont pu vider l’autorité de l’utilisateur pour actionner l’équipement.

BeagleBoard.org provides the enclosed product(s) under the following conditions:

This evaluation board/kit is intended for use for ENGINEERING DEVELOPMENT, DEMONSTRATION, OR EVALUATION PURPOSES ONLY and is not considered by BeagleBoard.org to be a finished end-product fit for general consumer use. Persons handling the product(s) must have electronics training and observe good engineering practice standards. As such, the goods being provided are not intended to be complete in terms of required design-, marketing-, and/or manufacturing-related protective considerations, including product safety and environmental measures typically found in end products that incorporate such semiconductor components or circuit boards. This evaluation board/kit does not fall within the scope of the European Union directives regarding electromagnetic compatibility, restricted substances (RoHS), recycling (WEEE), FCC, CE or UL, and therefore may not meet the technical requirements of these directives or other related directives.

Should this evaluation board/kit not meet the specifications indicated in the User’s Guide, the board/kit may be returned within 30 days from the date of delivery for a full refund to the distributor form which you purchased the board. THE FOREGOING WARRANTY IS THE EXCLUSIVE WARRANTY MADE BY SELLER TO BUYER AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE.

The user assumes all responsibility and liability for proper and safe handling of the goods. Further, the user indemnifies BeagleBoard.org from all claims arising from the handling or use of the goods. Due to the open construction of the product, it is the user’s responsibility to take any and all appropriate precautions with regard to electrostatic discharge.

EXCEPT TO THE EXTENT OF THE INDEMNITY SET FORTH ABOVE, NEITHER PARTY SHALL BE LIABLE TO THE OTHER FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES.

BeagleBoard.org currently deals with a variety of customers for products, and therefore our arrangement with the user is not exclusive. BeagleBoard.org assumes no liability for applications assistance, customer product design, software performance, or infringement of patents or services described herein.

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

Please read the System Reference Manual and, specifically, the Warnings and Restrictions notice in the User’s Guide prior to handling the product. This notice contains important safety information about temperatures and voltages. For additional information on BeagleBoard.org environmental and/or safety programs, please visit BeagleBoard.org.

No license is granted under any patent right or other intellectual property right of BeagleBoard.org covering or relating to any machine, process, or combination in which such BeagleBoard.org products or services might be or are used.

Mailing Address: BeagleBoard.org 4467 Ascot Ct.

Oakland TWP, MI 48306 U.S.A

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

WARRANTY: The BeagleBoard is warranted against defects in materials and workmanship for a period of 90 days from purchase. This warranty does not cover any problems occurring as a result of improper use, modifications, exposure to water, excessive voltages, abuse, or accidents. All boards will be returned via standard mail if an issue is found. If no issue is found or express return is needed, the customer will pay all shipping costs.

Before returning the board, please visit BeagleBoard.org/support

For up to date SW images and technical information refer to http://circuitco.com/support/index.php?title=BeagleBone

Please refer to Section 9 of this document for the board checkout procedures. To return a defective board, please request an RMA at http://BeagleBoard.org/support/rma

Please DO NOT return the board without approval from the RMA team first.

All boards received without RMA approval will not be worked on.

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

Table of Contents

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

Figures

Figure 1. BeagleBoard-X15 12

Figure 2. X15 Top Side View 13

Figure 3. X15 Front Edge View 14

Figure 4. BAT1 Location 15

Figure 5. X15 Top Edge View 16

Figure 6. Bottom Side of X15 17

Figure 7. Location of Major ICs 19

Figure 8. Desktop Configuration 25

Figure 9. Ethernet Ports 26

Figure 10. HDMI Ports 26

Figure 11. eSATA/USB Port 26

Figure 12. Keyboard Transmitter 27

Figure 13. Audio Jacks 27

Figure 14. MicroSD Card Cage 28

Figure 15. USB Client Connector 28

Figure 16. Serial Debug Port 28

Figure 17. Terminal Window Setup 29

Figure 18. DC Jack Into P1 29

Figure 19. DC 12V LED 30

Figure 20. Monitor Power Button 30

Figure 21. Power LEDs 31

Figure 22. User LEDs 31

Figure 23. Terminal Window Showing Boot 32

Figure 24. Boot Strap Resistors 32

Figure 25. Fan Connector 33

Figure 26. Fan Installation 33

Figure 27. X15 test Setup 34

Figure 28. Terminal Window 35

Figure 29. Debian Desktop 36

Figure 30. Open Web Browser 36

Figure 31. Default Home Page 37

Figure 32. Insert USB Flash Drive 37

Figure 33. Adjacent USB Devices 38

Figure 34. Media Insertion Notice 39

Figure 35. Open And Play Sound File 39

Figure 36. Volume Adjust 40

Figure 37. eSATA Cable and Drive 41

Figure 38. Attached eSATA Drive Notice 42

Figure 39. Powering Off Using Shutdown Command 43

Figure 40. Reset Button S2 43

Figure 41. X15 Heat Zone 44

Figure 42. System Block Diagram 47

Figure 43. System Power Management Block Diagram 48

Figure 44. TPS650374 Block Diagram 49

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

Figure 45. Voltage Clamps 51

Figure 46. USB 5V Switcher 52

Figure 47. AM5728 Block Diagram 53

Figure 48. System Memory Block Diagram 54

Figure 49. DDR3 Termination Voltages 55

Figure 50. DDR3 Termination Resistors 56

Figure 51. DDR3 Processor Interface 57

Figure 52. DDR3L Memory Device connections 58

Figure 53. eMMC Circuitry 59

Figure 54. EEPROM Circuitry 59

Figure 55. uSD Circuitry 60

Figure 56. Boot Pin Settings 61

Figure 57. I2C1 Bus 62

Figure 58. Ethernet System Block Diagram 63

Figure 59. Ethernet 0 Processor Interface 64

Figure 60. Ethernet Power Diagram 65

Figure 61. Ethernet RJ45 Interface 66

Figure 62. Ethernet 1 RJ45 Interface 67

Figure 63. HDMI Interface Circuitry 68

Figure 64. Stereo CODEC Processor Interface 69

Figure 65. AIC3104 Power Circuitry 70

Figure 66. Stereo CODEC Audio Connections 71

Figure 67. USB Client Port 72

Figure 68. Alternate VBUS Detect Circuitry 73

Figure 69. USB3 and HUB Processor Interface 74

Figure 70. USB3 Power Control 75

Figure 71. USB Port 1 Connectors 76

Figure 72. USB Port 2 and 3 Connectors 76

Figure 73. eSATA Block Diagram 77

Figure 74. eSATA Circuitry 78

Figure 75. Debug Serial Port 79

Figure 76. FTDI USB to Serial Adapter 79

Figure 77. JTAG Port 80

Figure 78. Temperature Sensor Circuitry 80

Figure 79. Real Time Clock Circuitry 81

Figure 80. User LEDs Circuitry 82

Figure 81. Forgotten Pins 83

Figure 82. Expansion Connector 84

Figure 83. Expansion Board Measurements 85

Figure 84. Expansion Mating Expansion Connector 86

Figure 85. X15 Top Side View 87

Figure 86. X15 Bottom Side View 88

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

Tables

Table 1. Change History 11

Table 2. List of Needed Accessories 22

Table 3. BeagleBoard –X15 Features 46

Table 4. Power, Current, Sequencing and Distribution 50

Table 5. Boot Options 60

Table 6. I2C1 Device Address 62

Table 7. User LED GPIO Mapping 82

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

1.0 Introduction

This document is the System Reference Manual for the BeagleBoard X15 which is based on the TI AM5728 processor. This document covers the features and design of the board.

.

2.0 Change History

This section describes the change history of this document.

Table 1. Change History

Rev	_ Changes _	Date	_ By _
0.1 _	Preliminary release.	7/23/2015	EPD _
0.2 _	Added pictures, connector details, accessories list	10/19/2015	EPD _
A2	Limited Production Release	5/13/2016	EPD _
B1	Update pictures	7/22/2016	EPD _

REF: SRM_X15 BeagleBoard X15 System Rev B1

*Reference Manual *

1. Quick Start Section

2. What’s the in the box

___________________________________________________________________ In the box you will find a BeagleBoard-X15 board inside an ESD bag. ___________________________________________________________________ image:./media/image2.jpeg[image] [[ref-srm_x15-beagleboard-x15-system-rev-b1-9]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[board-details]] Board Details +++++++++++++ ___________________________________________________________________________________________________________ This section calls out key connectors and components on the board and provides a brief description of each. ___________________________________________________________________________________________________________ 1. [[_bookmark9]][[bookmark9]]**TOP Side and BOTTOM Edge** ____________________________________________________ Shown without the heatsink installed. image:./media/image5.jpeg[image]**EEPROM ENABLE TP** *AUDIO OUT* *AUDIO IN RESET micro SD USB3 USB3 x2* [[_bookmark10]]**Figure 2. X15 Top Side View** ____________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-10]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image27.png[image] ________________________________________________ [[_bookmark11]]**Figure 3. X15 Front Edge View** ________________________________________________ 1. [[_bookmark12]][[bookmark12]]**Top Side Connector Details** * *P5* ETHERNET x2 ** Stacked RJ45 Jack with LEDs and integrated magnetics ** Port Location shown in Figure 4 * *P6* ESATA/USB ** eSATA - USB Type A Receptacle Combo ** Powered interface at 500mA ** Powers HDD or SSD drives from 5V supply * *P11* HDMI ** HDMI Type A - 19 Position Surface Mount, Right Angle * *P1* DC JACK ** CONN PWR JACK DC 2.5X5.5 8A T/H * *S1* POWER BUTTON ** Tactile SPST-NO 0.05A Momentary Switch ** Hold 12 seconds to power OFF the board * *P2*-*P3* CURRENT MONITOR SECTION ** Power Taps used for power measurements ** 100mil pin headers need to be installed prior to taking measurements * *P10* DEBUG HEADER ** Same as used on BeagleBone Black ** See section link:#_bookmark40[3.4.8] for details * *P8*-*P9* AUDIO OUT/IN ** Standard 3.5mm jacks _____________ Page 14 of 88 _____________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-11]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ * Stereo Audio Connector Jacks with single switch * *S2* RESET BUTTON ** Momentary Tactile SPST-NO Switch * *P12* Micro SD Card Cage ** ALPS Push-Push Type – Reverse mounting – Micro SD Connector ** Insert microSD card face up * *P13*-*P15* USB 3.0 CONNECTORS ** SuperSpeed Panel Mount USB3.0 connectors ** Port numbering shown in Figure 3. ** _*NOTE:*_ Use narrower drives when plugging both Port-1 and Port-2 * HEATSINK ** CPU 1.01” SQ with Vertical Fins and thermal tape adhesive backing ** Fins spaced to support 4-40 screws that can hold an added CPU FAN * *J1* FAN SOCKET ** The X15 can support a CPU FAN ** The Fan can be purchased separately ** Fan Part No: X15FANKIT-ND ** Fan socket details shown in section 3.4.17 * *BAT1* Li-ION BATTERY ** A Li-Ion battery can be installed on the X15 PCB ** Battery Part Number: RENATA CR1220MFR FV ** Can be purchased here: http://www.mouser.com/Search/Refine.aspx?Keyword=CR1220MFR[_http://www.mouser.com/Search/Refine.aspx?Keyword=CR1220MFR_] ** NOTE: Before Installing Battery BAT1 remove R416 from bottom side of PCB _________________________________ image:./media/image29.jpeg[image] _________________________________ [[_bookmark13]]**Figure 4. BAT1 Location** [[ref-srm_x15-beagleboard-x15-system-rev-b1-12]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark14]][[bookmark14]]**TOP Edge and Bottom Side** image:./media/image30.png[image] ______________________________________________ [[_bookmark15]]**Figure 5. X15 Top Edge View** ______________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-13]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image37.jpeg[image] _______________________________________________ [[_bookmark16]]**Figure 6. Bottom Side of X15** _______________________________________________ 1. [[_bookmark17]][[bookmark17]]**Bottom Side Details** [[bottom-side-major-components-details]] Bottom Side Major Components Details ++++++++++++++++++++++++++++++++++++ * *Y1* RTC Crystal ** 32.768KHz REAL TIME CLOCK Tuning Fork Crystal ** Used in conjunction with U6 and BAT1 (top side) * *U8* EEPROM ** 4KB EEPROM used to hold board information via I2C1 * *F1* 5A FUSE ** 5A Fuse in SMT base ** Replacement Fuse: 0454005.MR [[ref-srm_x15-beagleboard-x15-system-rev-b1-14]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ________________________________ *Reference Manual * *Bottom Side Connector Details:* ________________________________ * *P4* 20-pin JTAG Connector ** For use with TI JTAG emulators and CCS debugging tools * *P7* USB Client ** USB 2.0 Client port ** USB Type B jack * *P12* microSD cage ** ALPS Push-Push Type – Reverse mounting – Micro SD Connector ** Insert microSD card face up [[ref-srm_x15-beagleboard-x15-system-rev-b1-15]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark18]][[bookmark18]]**Top Side Major Components** __________________________________________________________________________ *Figure 7* below shows the major IC and components on the BeagleBoard-X15. __________________________________________________________________________ [[am5728]] AM5728 ^^^^^^ _________________ *PMIC NFBGA* *SATA REDRIVER* *SERDES CLK GEN* *DDR3* *4Gb x4* *U23 U24 U26 U25* *U5* _________________ [[u11-u18]] U11 U18 ------- _________________________________________________________________________________ *U14 U15* *U22* *U17* *RTCC* *10/100/1000* *ENET PHY* *x2* *DDR* *Regulator* *eMMC 4Gx8* *AUDIO CODEC* *USER LEDs* *USB HUB* image:./media/image55.jpeg[image][[_bookmark19]]*Figure 7. Location of Major ICs* _________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-16]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark20]][[bookmark20]]**Top Side Major Component Details** * *U5* PMIC ** Power Management IC (PMIC) ** 13 x 13 nFBGA 0.8mm pitch ** 7-configurable converters up to 6A output current ** 7 LDOs for external use ** 32KHz RC oscillator for power sequence ** SPI or I2C control * *U11* PROCESSOR ** Sitara AM5728, FCBGA 0.8mm pitch ** Dual ARM Cortex-A15 @ 1.5GHz * *U7* SERDES CLOCK GENERATOR ** Reference Clock generator for PCI Express (PCIe) Gen1-Gen3 ** Accepts 25MHz oscillator input * *U23*-*U26* DDR3 ** 4x 256Mb x16 DDR3L 2Gb (256MB) ** 2x 32 bit memory buses with two 16 16b devices on each bus. * *U27* DDR VTT REGULATOR ** TPS51200 Sink and Source DDR Termination Regulator ** Lower Power DDR3 VTT Bus Termination * *U18* AUDIO CODEC ** Low power stereo Audio DAC ** Part No ** 3D, EQ, PLL, LP Bypass, Notch Filtering * *D4*-*D7* USER LEDs ** 4 user LEDs available ** Part No: LTST-C191KFKT ** GPIO Driven * *U17* USB HUB ** 4-Port USB 3.0 HUB * *U22* eMMC 4GB ___________________________ o eMMC 5.0 (HS200) 153B 4GB ___________________________ * HS200 Standard * *U14*-*U15* 10/100/1000 ENET PHYs ** Single chip 10/100/1000Mbps ENET Transceiver [[ref-srm_x15-beagleboard-x15-system-rev-b1-17]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ * RGMII3.3V/2.5V/1.8V tolerant IOs. * *U6* RTCC ** 8pin RTC with optional battery backup ** I2C I/F * *U33* SATA REDRIVER ** 2 Ch 3-Gbps single lane redriver ** Also supports SATA 1.5-Gbps ** Hot Plug capable [[ref-srm_x15-beagleboard-x15-system-rev-b1-18]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[check-it-out]] CHECK IT OUT ++++++++++++ ______________________________________________________________________________________ This section provides instructions on how to check out the board after you receive it. ______________________________________________________________________________________ [[what-is-needed]] What is needed ++++++++++++++ _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ Table shows the accessories needed to test all X15 peripherals. Some of these items may need to be purchased if the user does not already own them. For power supply and serial cables please observe power requirements when purchasing. The power jack on the BEAGLEBOARD-X15 accepts a 2.5mm barrel to differentiate it from other board supplies. [[_bookmark23]]**Table 2. List of Needed Accessories** _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [cols=",",options="header",] |======================================================================= a| _________________ *DC POWER SUPPLY* _________________ * __________ 12V Supply __________ * ____________ 60W (5A min) ____________ * ______________________________ 2.5mm x 5.5mm Barrel Plug Size ______________________________ * _______________________________________________________________________________________________________________________________ Option 1: http://www.mouser.com/ProductDetail/Cincon/TRG70A120-12E01-Level-V/?qs=Fo8bWvPQ%2FFnXkg2S7BRo9g%3D%3D%20[_TRG70A120_] _______________________________________________________________________________________________________________________________ * ______________________________________________________________________________________________ Option 2: http://www.digikey.com/product-detail/en/VEF65US12/1470-2300-ND/4488679[_VEF65US12_] ______________________________________________________________________________________________ * _____________________________________________________________________________________________________________________________________________________ Option 3: http://www.mouser.com/ProductDetail/Condor-SL-Power/CENB1060A1203F01/?qs=sGAEpiMZZMs1jjUfAXmXypwthBLXkNRH0U2MHOFoUvY%3d[_CENB1060A1203F01_] _____________________________________________________________________________________________________________________________________________________ * __________________________________________________________________________________________________________________________________________________ Option 4: http://www.mouser.com/ProductDetail/Cincon/TRG70A120-02E01-Level-V/?qs=sGAEpiMZZMs1jjUfAXmXyrKL4gOybGvVL0kcCOOaYTA%3d[_TRG70A120-02E01_] __________________________________________________________________________________________________________________________________________________ a| ______________________________________________________ image:./media/image95.jpeg[image,width=140,height=116] ______________________________________________________ a| _________________________ *TTL TO USB SERIAL CABLE* _________________________ * 3.3V USB to SERIAL * ___________________________________ Compatible with the one used on BBB ___________________________________ * _____________________________________ Can be purchased from various sources _____________________________________ * _______________________________________________________________________________________________________________________________________________________________________________________________ One such cable can be purchased here: http://www.digikey.com/product-detail/en/TTL-232R-3V3/768-1015-ND/1836393[_http://www.digikey.com/product-detail/en/TTL-_ _232R-3V3/768-1015-ND/1836393_] _______________________________________________________________________________________________________________________________________________________________________________________________ a| _____________________________________________________ image:./media/image96.jpeg[image,width=177,height=84] _____________________________________________________ a| ________________________ *HDMI AUDIO-VIDEO CABLE* ________________________ * ___________________ Type A Male to Male ___________________ * __________________________________________________ Full size cable – NOT as used for BeagleBone Black __________________________________________________ * ________________________ Preferably 3ft or longer ________________________ a| ______________________________________________________ image:./media/image97.jpeg[image,width=100,height=102] ______________________________________________________ |======================================================================= [[ref-srm_x15-beagleboard-x15-system-rev-b1-19]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [cols=",",options="header",] |======================================================================= a| ________________ *ETHERNET CABLE* ________________ * _________________________________________ Two cables needed if both interfaces used _________________________________________ * _______________ Use Cat6 cables _______________ * _____________________________ ENET PHYs have Auto MDI/MDI-x _____________________________ * ________________________________________ Crossover or straight cables can be used ________________________________________ a| _____________________________________________________ image:./media/image98.jpeg[image,width=168,height=99] _____________________________________________________ a| _____________ *AUDIO CABLE* _____________ * ________________________ 3.5mm jacks on both ends ________________________ * _________________________________________ Need two if Speakers do not come with one _________________________________________ a| ______________________________________________________ image:./media/image99.jpeg[image,width=141,height=105] ______________________________________________________ a| __________ *SPEAKERS* __________ * ____________________________________ Any amplified desktop speaker system ____________________________________ * __________________________ Includes 3.5mm audio cable __________________________ a| _____________________________________________________ image:./media/image100.jpeg[image,width=98,height=75] _____________________________________________________ a| ______________ *HDMI MONITOR* ______________ * ___________________________ HD monitor capable of 1080P ___________________________ * _____________________ With integrated audio _____________________ * ________________________ Or Output jack for Audio ________________________ a| ______________________________________________________ image:./media/image101.jpeg[image,width=104,height=77] ______________________________________________________ a| *MICRO SD CARD* * 4GB to 16GB * ________ Class 10 ________ * ________________ Standard Adapter ________________ a| ____________________________________________________ image:./media/image102.png[image,width=96,height=72] ____________________________________________________ a| *eSATA ADAPTER CABLE* * eSATA to SATA cable * ___________ Combo cable ___________ * __________________________________________________________________________________________________________________________________________________________________________________________________________________ Below are two such cables: http://www.cablesonline.com/19estosa22ex.html[_http://www.cablesonline.com/19estosa22ex.html_] http://www.monoprice.com/product?p_id=8492[_http://www.monoprice.com/product?p_id=8492_] __________________________________________________________________________________________________________________________________________________________________________________________________________________ a| ______________________________________________________ image:./media/image103.jpeg[image,width=156,height=86] ______________________________________________________ |======================================================================= ____________________________________________ *REF: SRM_X15 BeagleBoard X15 System Rev B1* *Reference Manual * ____________________________________________ [cols=",",options="header",] |======================================================================= a| ____________ *SATA DRIVE* ____________ * ________________________________________________________________________________________________________________________________________ 2.5” SATA HDD - Hard Disk Drive One option available here: http://www.newegg.com/Product/Product.aspx?Item=N82E16822236499[_Newegg.com_] ________________________________________________________________________________________________________________________________________ * _________________________________ 2.5” SATA SSD - Solid State Drive _________________________________ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ http://www.amazon.com/ADATA-Premier-2-5-Inch-Synchronous-ASP900S3-128GM-C/dp/B007RHT48S[_http://www.amazon.com/ADATA-Premier-2-5-_] http://www.amazon.com/ADATA-Premier-2-5-Inch-Synchronous-ASP900S3-128GM-C/dp/B007RHT48S[_Inch-Synchronous-ASP900S3-128GM-_] http://www.amazon.com/ADATA-Premier-2-5-Inch-Synchronous-ASP900S3-128GM-C/dp/B007RHT48S[_C/dp/B007RHT48S_] __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ a| _______________________________________________________ image:./media/image104.jpeg[image,width=159,height=110] _______________________________________________________ a| _________________ *USB THUMB DRIVE* _________________ * __________________ USB3.0 thumb drive __________________ * _______________________ Needed for file storage _______________________ * ____________________ Or to boot from USB3 ____________________ a| ______________________________________________________ image:./media/image105.jpeg[image,width=103,height=88] ______________________________________________________ a| _________________________ *WIRELESS KEYBOARD/MOUSE* _________________________ * _______________________________________ Wireless combo will save USB ports used _______________________________________ * _________________ Less wire clutter _________________ a| _______________________________________________________ image:./media/image106.jpeg[image,width=139,height=106] _______________________________________________________ |======================================================================= _____________________________________________________________________________________________________ Besides the accessories mentioned it is assumed the user has a PC or Laptop running Linux or Windows. _____________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-20]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark24]][[bookmark24]]**SETUP INSTRUCTIONS** _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Standalone w/Display and Keyboard/Mouse* image:./media/image107.jpeg[image]In this configuration, the board works more like a PC, totally free from any connection to a PC as shown in *Figure 8*. It allows you to create your code to make the board do whatever you need it to do. It will however require certain common PC accessories. These accessories and instructions are described in the following section _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image112.jpeg[image,width=250,height=76] ______________________________________________________________________________________________________________________________ [[_bookmark25]]**Figure 8. Desktop Configuration** Board is shown without the heatsink installed. Additionally, an Ethernet cable can be connected for network access if desired. ______________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-21]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ _____________________________________________________ image:./media/image113.png[image] *Reference Manual * _____________________________________________________ 1. [[plug-in-your-cables]] PLUG IN YOUR CABLES +++++++++++++++++++ 1. [[_bookmark27]][[bookmark27]]**ETHERNET** ___________________________________________________________________________________________ There are two ports on the Ethernet connector off the X15. Plug the cable into either port. *NOTE* the orientation of cable insertion between the two ports in *Figure 9*. [[_bookmark28]]**Figure 9. Ethernet Ports** ___________________________________________________________________________________________ 1. image:./media/image115.png[image][[_bookmark29]][[bookmark29]]*HDMI* ____________________________________________________________________________ Plug in HMDI cable into P11 HDMI connector on the top edge of the X15 board. ____________________________________________________________________________ 1. [[_bookmark30]][[_bookmark31]][[bookmark31]]**eSATA** _______________________________________________________________________________________ Plug in the eSATA cable as shown in *Figure 10*. The same connector P6 can be used as a USB connector which is the 4th USB port on the X15. [[_bookmark32]]**Figure 11. eSATA/USB Port** Page 26 of 88 _______________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-22]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. image:./media/image119.png[image]**Keyboard and Mouse** ___________________________________________________________________________________________________________________________________________________________________________________ To avoid using up multiple USB ports a Wireless keyboard and mouse combination is preferred. The transceiver can be installed in any of the USB ports including P6 eSATA connector. _*NOTE*_: USB 3.0 ports and devices have been shown to radiate radio-frequency noise that can interfere with some wireless or Blutooth mice. [[_bookmark34]]**Figure 12. Keyboard Transmitter** ___________________________________________________________________________________________________________________________________________________________________________________ 1. image:./media/image121.png[image][[_bookmark35]][[bookmark35]]*AUDIO* _____________________________________________________________________________________________________________________________ To playback and record audio, insert speaker cable into Audio OUT jack of the X15 and an audio source into the Audio IN jack. _*NOTE:*_ Audio IN is not amplified. It is Line In only and does not support microphones. [[_bookmark36]]**Figure 13. Audio Jacks** Page 27 of 88 _____________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-23]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. image:./media/image123.png[image][[_bookmark37]][[bookmark37]]*Micro SD Card* __________________________________________________________________________________________________________________________________________________________________________________________________ On the bottom edge of the X15 board, on the bottom side is the micro SD card cage. If booting from the SD card, the micro SD card is inserted as shown in *Figure 14* with the top side facing up. [[_bookmark38]]**Figure 14. MicroSD Card Cage** __________________________________________________________________________________________________________________________________________________________________________________________________ 1. image:./media/image125.png[image][[_bookmark39]][[bookmark39]]*USB Client* _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The USB Client connector P7 is located on the bottom side of the board below USB3 Port 1 and next to the uSD Card cage. Caution when inserting and removing the client cable as it will exert excessive pressure on the connector jack. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark40]][[_bookmark41]][[bookmark41]]**Serial Debug** ______________________________________________________________________________________________________________________________________ Plug in the USB to Serial cable into the 6 pin header P10. Observe correct orientation. Pin1 is located at the top side of the header. ______________________________________________________________________________________________________________________________________ [cols=",",options="header",] |========= a| __________ PIN NUMBER __________ a| ______ SIGNAL ______ a| ___ *1* ___ |Ground a| ___ *4* ___ |Receive a| ___ *5* ___ |Transmit |========= _______________________________________________ *Figure 15. USB Client Connector* image:./media/image127.png[image]*Pin1*  *Pin6* [[_bookmark42]]**Figure 16. Serial Debug Port** _______________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-24]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark43]][[bookmark43]]**Terminal Setup** __________________________________________________________________________________________________________________ Plug the USB end into your PC or Laptop and invoke MINICOM or TERATERM or your favorite Terminal emulator program. image:./media/image129.png[image]The settings for serial communications __________________________________________________________________________________________________________________ image:./media/image131.png[image,width=189,height=136] 1. image:./media/image132.png[image][[_bookmark44]][[_bookmark45]][[bookmark45]]*Plug in Power Cable* ________________________________________________________________________________________________________________________________________ Once all the needed cables are inserted, plug in the DC power adapter into the P1 jack. This is a 2.5mm center contact and requires a supply that comes with a 2.5mm jack or an adapter to 2.5mm. See *Figure 18* for more info. ________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-25]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. image:./media/image134.png[image][[_bookmark47]][[bookmark47]]*Power LEDS* _______________________________________________________________________ Once the power plug is inserted in P1, the Power LED D41 will light up. D41 - 12V Present LED [[_bookmark48]]**Figure 19. DC 12V LED** _______________________________________________________________________ 1. [[_bookmark49]][[bookmark49]]**Turn ON HDMI monitor** __________________________________________________________________________________________________________________________________________ image:./media/image138.png[image]Once power is connected, turn on the HDMI monitor. Change input to the HDMI port the X15 is connected to. [[_bookmark50]]**Figure 20. Monitor Power Button** __________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-26]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. image:./media/image140.png[image][[_bookmark51]][[bookmark51]]*Turn ON X15 Power* ____________________________________________________________________________________________________________________________________ Though power is plugged in and the terminal is connected there will be no activity observed on the terminal. LED D41 *S1* will glow. D41 - 12V Present LED To turn ON the X15 main power press the blue momentary switch S1. This will cause LED D3 to glow showing that the board power is ON. *D41* D3 - POWER ON LED *D3* [[_bookmark52]]**Figure 21. Power LEDs** ____________________________________________________________________________________________________________________________________ 1. [[_bookmark53]][[bookmark53]]**User LEDS** _______________________________________________________________________________________________________________________________________________________________________________ image:./media/image145.png[image]The BB-X15 has four user LEDs for debug, and status indication. During the bootting process the user may notice that the user LEDs will blink. _______________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-27]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark55]][[bookmark55]]**BOOTING** _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image150.png[image,width=370,height=192]At this point the software present in eMMC or the SD card if installed will start to boot and activity can be seen on the terminal. The actual information printed out may vary based on the SW image used. [[_bookmark56]]**Figure 23. Terminal Window Showing Boot** _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark57]][[bookmark57]]**Boot Strapping** _________________________________________________________________________________________________________________________________________________________________________________________________ The default option ,SD followed by eMMC setting, is hardwired via soldered on resistors. Table 3 shows the boot strap options for the BeagleBoard-X15. The default is SD then eMMC. image:./media/image151.png[image]__*NOTE*: To set different boot options Resistors R442-R444 will need to be de-soldered firs and then solder in the other options. Be careful when doing this.__ image:./media/image154.png[image]Boot Strap Options [[_bookmark58]]**Figure 24. Boot Strap Resistors** _________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-28]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark59]][[bookmark59]]**FAN Connection** ________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image156.png[image]The X15 can support a 5V fan when a socket is installed at J1. Digikey offers a fan kit that will fit the X15 heatsink and plug into J1. Part number is _X15FANKIT-ND_, See *Figure 25* and the next section for one FAN option that is supported. [[_bookmark60]]**Figure 25. Fan Connector** ________________________________________________________________________________________________________________________________________________________________________________________________________ 1. image:./media/image158.png[image][[_bookmark61]][[bookmark61]]*FAN Mounting* ___________________________________________________________________________________________________________________________________________________________________________ The heatsink that comes with the X15 has a 7x7 fin matrix that can accept 4-40 self-threading screws at each corner. The screws will self-thread and hold the fan in place. [[_bookmark62]]Page 33 of 88 ___________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-29]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[testing]] TESTING +++++++ image:./media/image160.jpeg[image] _______________________________________________________________________________________________________________________________________________________________________ [[_bookmark64]]**Figure 27. X15 test Setup** Using a wireless keyboard and mouse is preferred since it frees up USB ports. However, when using a wireless combo, please know that USB 3.0 ports and devices have been shown to radiate radio-frequency noise that can interfere with wireless mice _______________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-30]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ _________________________________________________________________________________________________________________________________________________________ *Reference Manual * that rely on 2.4GHz radio-frequency dongles, as well as mice that use Bluetooth for connectivity. This is a common warning you see particular on laptops. _________________________________________________________________________________________________________________________________________________________ [[debug]] DEBUG +++++ _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The Serial debug port on the processor is UART3 via a single 1x6 pin header. In order to use the interface a USB to TTL adapter will be required. The header is compatible with the one provided by FTDI and can be purchased from various sources. Signals supported are TX and RX. None of the handshake signals are supported. On the PC you will see activity that will take you to login prompt. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image173.png[image,width=487,height=252] _____________________________________________________________________________________________________________________________________________________________________ [[_bookmark66]]**Figure 28. Terminal Window** A few seconds after the board power is turned on, the image in eMMC or SD if booting form SD, will boot and the Debian desktop will soon show up on the HDMI monitor. _____________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-31]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image174.jpeg[image,width=497,height=281] [[_bookmark67]]**Figure 29. Debian Desktop** 1. [[_bookmark68]][[bookmark68]]**ETHERNET** ____________________________________________________________________________________________________________________________________________________________________________________________________________________________ Assuming the Ethernet cable is connected to one of the Ethernet ports on the Beagleboard-X15 a quick test can be performed by pointing the mouse to the bottom left corner of the Desktop and clicking the Debian menu logo. From here point to Internet  Chromium Browser. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image175.jpeg[image,width=439,height=257] [[_bookmark69]]**Figure 30. Open Web Browser** _________________________________________________________________________________________________________________ The browser window will open and if there is an internet connection, the browser will go to the default homepage. _________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-32]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image176.jpeg[image,width=503,height=284] [[_bookmark70]]**Figure 31. Default Home Page** _____________________________________________________________________________________________________________ The second Ethernet port can be similarly tested by moving the cable from ENET0 to ENET1. See *Section 3.4.1* _____________________________________________________________________________________________________________ 1. [[_bookmark71]][[bookmark71]]**SPEAKERS** _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ To test the sound of your X15 you can open a sound file and play it back. In the example below, a simple file is played via the Chromium Web browser. The sound file can be present in a USB flash drive plugged into one of the USB3/2 connectors at the bottom edge of the board or you could copy a file onto the X15 eMMC . _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image177.jpeg[image,width=306,height=236] [[_bookmark72]]**Figure 32. Insert USB Flash Drive** [[ref-srm_x15-beagleboard-x15-system-rev-b1-33]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Reference Manual * _*NOTE*_: Depending on the width of the flash drive used, two adjacent drives may not fit well in P13 Port-1 and P15 Port-2 connectors due to the proximity of the two connectors. If two drives will not fit, do not force but use a narrower flash drive in one of the bottom ports. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image178.jpeg[image] _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark73]]**Figure 33. Adjacent USB Devices** On the Debian Desktop a window will pop-open and ask you if you want to see the contents of the newly installed flash drive. Also on the Tera Term console you can also read the logs associated with the insertion of the drive. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-34]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image180.jpeg[image,width=530,height=299] [[_bookmark74]]**Figure 34. Media Insertion Notice** _____________________________________________________________________________________________________________________________________________________________________________________________________________ Click ‘Open in file Manager’ to see the contents of the flash drive. Proceed to open the sound file. In case there is no music player installed yet, open the wav file with Chromium Brower. Then click play. _____________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image181.jpeg[image,width=531,height=299] [[_bookmark75]]**Figure 35. Open And Play Sound File** ____________________________________________________________________________________________________________________________________________________________________ To adjust volume make sure your speakers are connected and the speaker volume is turned to a nominal volume. The X15 volume can be adjusted by clicking on the lower ____________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-35]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ____________________________________________________________________________________________________________ *Reference Manual * right hand side left of the clock (icon missing in this example) and adjusting the volume lever up and down. ____________________________________________________________________________________________________________ image:./media/image182.jpeg[image,width=582,height=326] ________________________________________________________________________________________________________________________________________________________ [[_bookmark76]]**Figure 36. Volume Adjust** Audio In can be similarly tested by using a 3.5mm to 3.5mm audio cable between a PC playing a sound file and the X15 recording it via connector jack P9. ________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-36]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark77]][[bookmark77]]**eSATA** __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ To test the eSATA interface you will need a cable and drive as described in *Section* *3.4.3.* This drive has to be 2.5” drive since this interface will only support 3.3V drives. Simply plug in the cable into connector P6 and the drive will be detected. The connector also accepts a USB 2.0 flash drive or other USB 2.0 devices. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image183.png[image] ______________________________________________________________________________________ [[_bookmark78]]**Figure 37. eSATA Cable and Drive** When plugged in, the eSATA or USB will be listed on the Debian Desktop as shown below: ______________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-37]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image185.jpeg[image] 1. [[_bookmark80]][[bookmark80]]**POWER ON and RESET** ____________________________________________________________________________________________________________________________________________________________________________________________________________________ To power OFF the board you can Press-and-Hold the power button for 12 seconds. Another way to power off the board is to use the ‘*shutdown’* command at the terminal prompt. The board will then start powering off. ____________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-38]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image186.png[image,width=622,height=322] [[_bookmark81]]**Figure 39. Powering Off Using Shutdown Command** ______________________________________________________________________________________________ To *RESET* the board you can press the RESET button S2. Pressing once should reboot the board. image:./media/image187.jpeg[image] ______________________________________________________________________________________________ [[_bookmark82]]**Figure 40. Reset Button S2** [[ref-srm_x15-beagleboard-x15-system-rev-b1-39]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark83]][[bookmark83]]**HIGH TEMP CAUTION** image:./media/image188.png[image,width=69,height=60] ____________________________________________________________________________________________________________________________________________________________________________________________________ _*CAUTION: The BeagleBoardX15 may reach elevated temperatures. Avoid handling the board while power is applied, especially in area shown below. The same is true for the bottom side of the board.*_ ____________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image189.jpeg[image] ___________________________________________ [[_bookmark84]]**Figure 41. X15 Heat Zone** ___________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-40]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark85]][[bookmark85]]**Hardware Design Overview** _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ This section provides a more detailed description of the design of the board. This is intended to provide a more complete description of each circuit. It is intended to provide basic knowledge of the devices used and how they interface to one another. It does not provide details of their designs or specification. Please refer to the datasheet for each device from their respective suppliers if this information is needed. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-41]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[features]] Features ++++++++ __________________________________________________________________________ The Table 2 below provides the high level features of the BeagleBoard-X15. [[_bookmark87]]**Table 3. BeagleBoard –X15 Features** __________________________________________________________________________ [cols=",",options="header",] |================================================== | a| _________________ *BeagleBoard-X15* _________________ a| ___________ *Processor* ___________ a| ______________________________________________ Dual ARM Cortex-A15 @ 1.5GHz, TI Sitara AM5728 ______________________________________________ a| __________ *Graphics* __________ a| ___________________________ Dual Core SGX544 3D, 532MHZ ___________________________ a| _____ *DSP* _____ a| _________________ Dual C66x, 700MHZ _________________ a| ___________________ *Video Accelerator* ___________________ a| ___________ IVA, 532MHZ ___________ a| __________ *Graphics* __________ a| _______________ GC3230 2D BTBLT _______________ a| ______________ *GP ARM Cores* ______________ a| ___________________ DUAL ARM M4, 212MHZ ___________________ a| _______ *SDRAM* _______ a| _________________________________________ 2GB DDR3L, Dual 32bit bus, Non-ECC 533MHZ _________________________________________ a| _______________ *Onboard Flash* _______________ a| _______________________ 4GB, 8bit Embedded eMMC _______________________ a| ______ *PMIC* ______ a| _________ TPS659037 _________ a| _______________ *Debug Support* _______________ a| ____________________________________ 20-pin CTI JTAG, Serial debug header ____________________________________ a| _____ *PCB* _____ a| ____________________ 4.2” x 4”, 12 layers ____________________ a| ____________ *Indicators* ____________ a| _______________________________________________ \(2) Power, (4) Ethernet, (4) User Controllable _______________________________________________ a| _________________ *HS USB 3.0 Host* _________________ a| ________________________________ \(2) Type A 900ma (1) 1800mA (1) ________________________________ a| ______________ *USB 2.0 Host* ______________ a| ______________________________ \(1) 500mA via eSATA Connector ______________________________ a| ________________ *USB 2.0 Client* ________________ a| _____________________ \(1) micro USB Type B _____________________ a| __________ *Ethernet* __________ a| ____________________ \(2) 10/100/1000 RJ4 ____________________ a| ______ *SATA* ______ a| ___________________________________ \(1) eSATA Connector- Powered 500mA ___________________________________ a| ___________ *LCD Ports* ___________ a| __________________ \(2) Via Expansion __________________ a| ______ *PCIe* ______ a| ___________________________ \(2) Channels via expansion ___________________________ a| ______________ *Camera Ports* ______________ a| __________________ \(1) Via expansion __________________ a| ____ *SD* ____ a| ____________ \(1) microSD ____________ a| ____________ *User Input* ____________ a| __________________________________ \(1) Reset Button (1) Power Button __________________________________ a| ______ *HDMI* ______ a| ___________________________________________________ \(1) Full Size connector, 24b 1920x1080 60FPS, EDID ___________________________________________________ a| _______ *Audio* _______ a| ________________________________ HDMI and AIC3104 (Stereo In/Out) ________________________________ a| ___________ *Expansion* ___________ a| ____________________________ \(4) 60 pin dual row headers ____________________________ a| ___________ *GPIO pins* ___________ a| ___ 157 ___ a| _______ *UARTs* _______ |7 a| _____________ *SPI/I2C/CAN* _____________ a| _____ 1/1/1 _____ a| __________ *PRU Pins* __________ a| ___ 185 ___ a| _________________ *Real Time Clock* _________________ a| ________________________________________________ 8pin RTC with *optional* battery backup, I2C I/F ________________________________________________ a| ______________ *Current Taps* ______________ a| _________________________________________ \(4) 5V, 3.3V, VDD_MPU, VDD_DSP, VDD_CORE _________________________________________ a| ________ *Weight* ________ a| ___ TBD ___ a| _______ *Power* _______ a| ___________________________________________________ 12VDC@2A (3A additional if USB3 ports fully loaded) ___________________________________________________ |================================================== [[ref-srm_x15-beagleboard-x15-system-rev-b1-42]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[block-diagram]] Block Diagram +++++++++++++ ______________________________________________________________________________________________________________________________________________________________________________________ The figure below is a block diagram of the board. There are more detailed block diagrams in some of the sections that follow along with condensed schematics for the various circuits. ______________________________________________________________________________________________________________________________________________________________________________________ image:./media/image190.png[image,width=498,height=548] __________________________________________________ [[_bookmark89]]**Figure 42. System Block Diagram** __________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-43]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[power-subsystem]] Power Subsystem +++++++++++++++ __________________________________________________________________________________________ *Figure 17* is the high level block diagram of the system power architecture of the board. [[_bookmark91]]**Figure 43. System Power Management Block Diagram** __________________________________________________________________________________________ 1. [[_bookmark92]][[bookmark92]]**Input Power and Conditioning** ________________________________________________________________________________________________________________ The board is powered from a 12V 5A power supply using a 2.5mm x 5.5mm connector. There are three switching regulators that are used to create the four main voltage rails required by the system. ________________________________________________________________________________________________________________ * *5V0* Provides 5V to the PMIC, LEDS, HDMI, and the expansion headers. * *PS3V3…* Provides the main 3.3V I/O rail supply, via the SW, and to the _____ PMIC. _____ * *VDD_3V3*….Provides main I/O rail for the board and the expansion headers. __________________________________ This is controlled by a power FET. __________________________________ * *USB 5V* The USB requires a lot of current to meet the USB3 requirements. ____________________________________________________________________________________________________________ This switcher is dedicated to supplying the power to the USB3 ports. There is a fuse provided to limit the current to the 5A rating of the power supply. The fuse is replaceable. Page 48 of 88 ____________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-44]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ [[reference-manual]] Reference Manual ++++++++++++++++++ 1. [[_bookmark93]][[bookmark93]]**PMIC** __________________________________________________________________________________________________________________________________________________________________ image:./media/image191.jpeg[image,width=494,height=684]The figure below is the high level block diagram of the TPS659039-Q1 Power management IC used on the board. [[_bookmark94]]**Figure 44. TPS650374 Block Diagram** __________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-45]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Reference Manual * The PMIC has multiple switchers and LDOs that provide power to the processors and the overall system. The one exception to this is the VDD_3V3 rail that is used to power the I/O rails of the processor and the other devices in the system. This rail is controlled by the TPS65039 to insure proper power sequencing. The table below shows the distribution of the various rails and the sequence in which they come up. [[_bookmark95]]**Table 4. Power, Current, Sequencing and Distribution** ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [cols=",,,,,,,,",options="header",] |================= a| _____ *SEQ* _____ a| ________ *SIGNAL* ________ a| _______ *VOLTS* _______ a| ____ *mA* ____ a| _______ *DELAY* _______ a| ___________ *PMIC RAIL* ___________ a| ______ *MODE* ______ a| _______ *AM57X* _______ | | | | | | a| ____ *ON* ____ a| _______ *SLEEP* _______ | a| _ 1 _ a| ________ LDO_VRTC ________ a| ____ 1.8V ____ a| ___ 250 ___ a| _ 0 _ a| _______ LDOVRTC _______ a| __ ON __ a| __ ON __ a| ________ vdda_rtc ________ a| _ 2 _ a| _______ VDD_1V8 _______ a| ____ 1.8V ____ a| ____ 1000 ____ a| ___ 550 ___ a| _____ SMPS8 _____ a| __________ Forced PWM __________ a| ___ OFF ___ a| _________ vdds_mlbp _________ | | | | | | | | a| _______ vdds18v _______ | | | | | | | | a| ____________ vdds18v_ddr1 ____________ | | | | | | | | a| ____________ vdds18v_ddr2 ____________ a| _ 3 _ a| _______ VDD_RTC _______ a| _____ 1.05V _____ a| __ 50 __ a| _ 0 _ a| ____ LDO9 ____ a| __ ON __ a| __ ON __ a| _______ vdd_rtc _______ a| _ 4 _ a| ____________ VDDA_1V8_PLL ____________ a| ____ 1.8V ____ a| ___ 100 ___ a| ___ 550 ___ a| _____ LDOLN _____ a| __ ON __ a| ___ OFF ___ a| ____________ vdda_abe_per ____________ | | | | | | | | a| ________ vdda_ddr ________ | | | | | | | | a| __________ vdda_debug __________ | | | | | | | | a| ____________ vdda_dsp_eve ____________ | | | | | | | | a| ______________ vdda_gmac_core ______________ | | | | | | | | a| ________ vdda_gpu ________ | | | | | | | | a| ________ vdda_iva ________ | | | | | | | | a| __________ vdda_video __________ | | | | | | | | a| ________ vdda_mpu ________ | | | | | | | | a| ________ vdda_osc ________ a| _ 5 _ a| ________ VDD_CORE ________ a| _____ 1.03V _____ a| ____ 2000 ____ a| ___ 550 ___ a| _____ SMPS6 _____ a| ______ Forced PWM ______ a| ___ OFF ___ a| ___ vdd ___ a| _ 6 _ a| _______ VDD_MPU _______ a| _____ 1.09V _____ a| ____ 6000 ____ a| ___ 550 ___ a| _______ SMPS1&2 _______ a| ______ Forced PWM ______ a| ___ OFF ___ a| _______ vdd_mpu _______ a| _ 7 _ a| _______ VDD_DSP _______ a| _____ 1.06V _____ a| ____ 4000 ____ a| ___ 550 ___ a| _______ SMPS4&5 _______ a| __________ Forced PWM __________ a| ___ OFF ___ a| __________ vdd_dspeve __________ | | | | | | | | a| _______ vdd_gpu _______ | | | | | | | | a| _______ vdd_iva _______ a| _ 8 _ a| ____________ VDDA_1V8_PHY ____________ a| ____ 1.8V ____ a| ___ 200 ___ a| _ 0 _ a| ____ LDO3 ____ a| __ ON __ a| ___ OFF ___ a| _________ vdda_usb1 _________ | | | | | | | | a| _________ vdda_usb2 _________ | | | | | | | | a| _________ vdda_hdmi _________ | | | | | | | | a| _________ vdda_pcie _________ | | | | | | | | a| __________ vdda_pcie0 __________ | | | | | | | | a| __________ vdda_pcie1 __________ | | | | | | | | a| _________ vdda_sata _________ | | | | | | | | a| _________ vdda_usb3 _________ a| _ 9 _ a| ________ VDD_SHV5 ________ a| ____ 3.3V ____ a| ___ 300 ___ a| ___ 550 ___ a| ____ LDO2 ____ a| __ ON __ a| __ ON __ a| _______ vddshv5 _______ a| __ 10 __ a| _______ VDD_3V3 _______ a| ____ 3.3V ____ | a| ___ 550 ___ a| ____________ *_REGEN1_* (TPS54531D via TPS22965 switch) ____________ a| __ ON __ a| ___ OFF ___ a| _______ vddshv1 _______ | | | | | | | | a| ________ vddshv10 ________ | | | | | | | | a| ________ vddshv11 ________ | | | | | | | | a| _______ vddshv2 _______ | | | | | | | | a| _______ vddshv3 _______ | | | | | | | | a| _______ vddshv4 _______ | | | | | | | | a| _______ vddshv6 _______ | | | | | | | | a| _______ vddshv7 _______ | | | | | | | | a| _______ vddshv9 _______ a| __ 11 __ a| _______ VDD_DDR _______ a| _____ 1.35V _____ a| ____ 2000 ____ a| ___ 550 ___ a| _____ SMPS3 _____ a| __ ON __ a| ___ OFF ___ a| _________ vdds_ddr2 _________ | | | | | | | | a| _________ vdds_ddr1 _________ | | | | | a| ________ TPS51200 ________ a| __ ON __ a| ___ OFF ___ a| __________ ddr1_vref0 __________ | | | | | | | | a| __________ ddr2_vref0 __________ a| __ 12 __ a| ________ VUSB_3V3 ________ a| ____ 3.3V ____ a| ___ 100 ___ a| _ 0 _ a| ______ LDOUSB ______ a| __ ON __ a| ___ OFF ___ a| ____________ vdda33v_usb1 ____________ | | | | | | | | a| ____________ vdda33v_usb2 ____________ a| __ 13 __ a| ______ VDD_SD ______ a| ____ 3.3V ____ a| ___ 300 ___ a| ___ 550 ___ a| ____ LDO1 ____ a| __ ON __ a| ___ OFF ___ a| _______ vddshv8 _______ a| __ 14 __ | a| _________ RESET_OUT _________ | | | a| __ ON __ a| ___ OFF ___ | |================= [[ref-srm_x15-beagleboard-x15-system-rev-b1-46]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ________________________________________________________________________________________________________________________________________ *Reference Manual * In order for the board to power on, you will need to press the power button one time. Press and release and do not hold the button down. ________________________________________________________________________________________________________________________________________ 1. [[_bookmark96]][[bookmark96]]**Indicators** _________________________________________________________________ There are two orange indicators on the board for the power rails: _________________________________________________________________ * DC…indicates that the 12V DC supply is connected. It does not indicate that the voltage is within specification, but only that it is connected. * POWER…indicates that the PMIC has powered on and that the voltages are then applied to the board. It does not indicate that any voltages are within specification, but only that it is connected. 1. [[_bookmark97]][[bookmark97]]**Voltage Clamp Circuits** _________________ VDD_3V3 VDD_3V3 R418 500,1% R419 DNI R4__29__ 10K,_1%_ _________________ TRN_2N2907 Q8 _______________ U35 TLVH431 R420 40K,1% VDD_1V8 VDD_1V8 _______________ image:./media/image192.png[image,width=299,height=186] ___________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark98]]**Figure 45. Voltage Clamps** During power down it should be ensured that the difference between VDDS and VDDSHVx [1–6] during the entire power-down sequence is < 2 V. If this is violated it can result in reliability risks for the processor. ___________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-47]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ __________________________________________________________________________________________________________________________________ *Reference Manual * This solution was added to make sure that the difference between the 3.3-V VDDSHVx rails and the 1.8-V VDDS rail never exceeds 2V. __________________________________________________________________________________________________________________________________ 1. [[_bookmark99]][[bookmark99]]**USB Power Bus** ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The board is designed with a USB 3.0 HUB and supports three USB 3.0 ports. The requirement is that each port support up to 900mA per port. For a high current charging port, this number is raised to 1.5A. This brings the total to 3.3A max of 5V. In order to supply this much current if needed, a dedicated 5V switcher is supplied. The figure below shows the switcher. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image193.png[image]3 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark100]]**Figure 46. USB 5V Switcher** The switcher is capable of supplying up to 4A. It is not expected to reach that much, but the capacity is provided. In the event that it is required to compensate for onboard voltage drop, the voltage level can be adjusted by changing R292 and R296 as indicated in the datasheet for the switcher. The need for this is not expected, but a user may want to create a little higher voltage to compensate for devices connected to the ports. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-48]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[am5728-processor]] AM5728 Processor ++++++++++++++++ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ This board is designed to support the AM5728 processor. For detailed information on the AM5728 processor you can go to http://www.ti.com/product/AM5728/compare[_http://www.ti.com/product/AM5728/compare_] for more information. *Figure 47* is the block diagram of the AM5728 processor. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image194.jpeg[image,width=596,height=436] ___________________________________________________ [[_bookmark102]]**Figure 47. AM5728 Block Diagram** ___________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-49]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[memory-block-diagram]] Memory Block Diagram ++++++++++++++++++++ ____________________________________________________________________________ *Figure 48* below shows the block diagram of the memory system on the board. ____________________________________________________________________________ image:./media/image195.png[image,width=287,height=322] __________________________________________________________ [[_bookmark104]]**Figure 48. System Memory Block Diagram** __________________________________________________________ * uSD ….The SD card cage that supports booting for the processor * EEPROM…provides board identification information * eMMC….provides boot source for the processor * DDR3L…main program space from which the processor operates. ____________________________________________________________ Each of these are discussed in their own sections to follow. ____________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-50]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[ddr3l]] DDR3L +++++ _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ There are four 256Mb x16 DDR3L 2Gb (256MB) memory devices used in the design. The memory used is either the MT41K256M16HA-125:E from Micron or the D2516EC4BXGGB from Kingston. There are two 32 bit memory buses with two devices on each bus. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark106]][[bookmark106]]**DDR3 Terminations Regulator** ____________________________________________________________________________________________________________________________________________________________________ *Figure 22* below is the regulator that handles the VTT voltage rail. The regulator creates the voltage for the termination circuits and the DDR_VREF level as well. VDD_DDR ____________________________________________________________________________________________________________________________________________________________________ image:./media/image196.png[image,width=483,height=255]VDD_3V3 R286 R287 ___________ R285 10K,1% C390 C391 C392 C393 C394 C389 10uF,6.3V R288 10K,1% 100K,1% ___________ 10 ______________________________ VTT_PGOOD 9 VIN TPS51200_10SON 1 REFIN 2 10K,1% .001uf ,50V .001uf ,50V 0.1uf ,16V 10uF,6.3V 10uF,6.3V VTT 19 DDR_VREF_OFFn ______________________________ VTT_EN _____ PGOOD 8 GND 7 EN _____ VLDOIN _ 3 _ VO _ 4 _ PGND C395 ____ C396 C397 C398 ____ _VTT_VOSNS_ 6 __________ C399 0.1uf ,16V __________ REFOUT 5 _____________________________ VOSNS U27 DDR_VREFSTL2 VTT_REFOUT R289 10,5% C400 10pF,NPO 10uF,6.3V 10uF,6.3V 10uF,6.3V _____________________________ VTT __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 0.1uf ,16V R__29__0 R__29__1 DDR_VREFSTL1 0,1% 0,1% DDR_VREFSTL1 19,21 DDR_VREFSTL2 20,22 PS_3V3 R335 10K,1% VTT_TRAN Q5 NTA4153N Q6 BSS138 [[_bookmark107]]**Figure 49. DDR3 Termination Voltages** This regulator supplies the required functions for both of the DDR3L banks on the board. Q5 and Q6 are added to force a drain off of the VTT voltage after powering off the system to bleed off any residual voltage left on that pin in order to prevent damage to the processor. __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-51]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark108]][[bookmark108]]**DDR3 Terminations Resistors** _______________________________________________________________________________________________________________________________________________________________________________________ The figure below is the terminations on the control lines of the DDR3 interface. This is the same for both busses. Only one is shown here. Refer to the schematic for more information. _______________________________________________________________________________________________________________________________________________________________________________________ 19,21 19,21 19,21 19,21 __________________________________________________________ DDR1_ODT0 DDR1_CASn DDR1_CSN0 DDR1_BA0 R360 47,1% R361 47,1% R362 47,1% R363 47,1% VTT image:./media/image197.png[image,width=279,height=426]C342 C343 VDD_DDR __________________________________________________________ image:./media/image198.png[image]image:./media/image199.png[image] 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 19,21 __________________________________ DDR1_A0 DDR1_A1 DDR1_A4 DDR1_A5 DDR1_A9 DDR1_A7 DDR1_A13 DDR1_A2 DDR1_RASN DDR1_A10 DDR1_WEN DDR1_A15 DDR1_A3 DDR1_BA1 DDR1_BA2 DDR1_A12 __________________________________ DDR1_A11 DDR1_A6 DDR1_A14 DDR1_A8 ______________________________________________________________________ R364 47,1% R365 47,1% R366 47,1% R367 47,1% R368 47,1% R369 47,1% R370 47,1% R371 47,1% R372 47,1% R373 47,1% R374 47,1% R375 47,1% R376 47,1% R377 47,1% R378 47,1% R379 47,1% R380 47,1% R381 47,1% R382 47,1% R383 47,1% C351 image:./media/image199.png[image]image:./media/image199.png[image]C352 image:./media/image199.png[image]C353 image:./media/image203.png[image]C358 image:./media/image199.png[image]C362 1 image:./media/image204.png[image]C370 1 image:./media/image205.png[image]C371 1 image:./media/image199.png[image]C372 1 image:./media/image199.png[image]C379 1 C380 1 ______________________________________________________________________ 19,21 ____________ DDR1_CKE R282 49.9,1% ____________ VDD_DDR _________________________________________________________ image:./media/image206.png[image]19,21DDR1_CLK0N 19,21 DDR1_CLK0 [[_bookmark109]]**Figure 50. DDR3 Termination Resistors** _________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-52]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark110]][[bookmark110]]**Processor Interface** _______________________________________________________________________________________________________________________________________________________________ The figure below shows the connections to the processor. This is the same for both busses. Only one is shown here. Refer to the schematic for more information. 21 DDR1_DQM0 _______________________________________________________________________________________________________________________________________________________________ AD23 _________ DDR1_DQM0 U11-5 _________ AF17 ______________ DDR1_BA0 DDR1_BA0 21,24 ______________ 21 DDR1_DQS0 21 DDR1_DQSN0 _______________________________________ AH25 AG25 AF25 DDR1_DQS0 DDR1_DQSN0 DDR1_BA1 DDR1_BA2 DDR1_A0 AE18 DDR1_BA1 21,24 AB18 DDR1_BA2 21,24 AD20 DDR1_A0 21,24 _______________________________________ 21 DDR1_D0 21 DDR1_D1 21 DDR1_D2 21 DDR1_D3 21 DDR1_D4 _______________________________________ AF26 AG26 AH26 AF24 AE24 DDR1_D0 DDR1_D1 DDR1_D2 DDR1_D3 DDR1_D4 DDR1_A1 DDR1_A2 DDR1_A3 AC19 DDR1_A1 21,24 AC20 DDR1_A2 21,24 AB19 DDR1_A3 21,24 AF21 21 DDR1_D5 21 DDR1_D6 21 DDR1_D7 21 DDR1_DQM1 AF23 AE23 AB23 AE27 DDR1_D5 DDR1_D6 DDR1_D7 DDR1_DQM1 DDR1_A4 DDR1_A5 DDR1_A6 DDR1_A7 DDR1_A8 AH22 AG23 AE21 AF22 AE22 DDR1_A4 21,24 DDR1_A5 21,24 DDR1_A6 21,24 DDR1_A7 21,24 DDR1_A8 21,24 21 DDR1_DQS1 21 DDR1_DQSN1 21 DDR1_D8 _______________________________________ AE28 AC23 _________________ DDR1_DQS1 DDR1_DQSN1 DDR1_D8 DDR1_A9 DDR1_A10 DDR1_A11 AD21 AD22 DDR1_A9 21,24 DDR1_A10 21,24 DDR1_A11 21,24 _________________ 21 DDR1_D9 AF27 ___________________ DDR1_D9 DDR1_A12 AC21 DDR1_A12 21,24 ___________________ 21 DDR1_D10 AG27 ______________________________________________________________ DDR1_D10 DDR1_A13 AF18 DDR1_A13 21,24 21 DDR1_D11 21 DDR1_D12 21 DDR1_D13 21 DDR1_D14 21 DDR1_D15 21 DDR1_DQM2 2D1 DR1_DQS2 21DDR1_DQSN2 21 DDR1_D16 21 DDR1_D17 21 DDR1_D18 21 DDR1_D19 AF28 AE26 AC25 AC24 AD25 AC26 AD27 AD28 V20 W20 AB28 AC28 DDR1_D11 DDR1_D12 DDR1_D13 DDR1_D14 DDR1_D15 DDR1_DQM2 DDR1_DQS2 DDR1_DQSN2 DDR1_D16 DDR1_D17 DDR1_D18 DDR1_D19 DDR1_A14 DDR1_A15 DDR1_RASN DDR1_CASN DDR1_WEN DDR1_ODT0 AE17 DDR1_A14 21,24 AD18 DDR1_A15 21,24 AF20 AC18 AH21 AE20 DDR1_ODT0 21,24 21 DDR1_D20 21 DDR1_D21 21 DDR1_D22 AC27 Y 19 AB27 DDR1_D20 DDR1_D21 DDR1_D22 DDR1_CKE AG22 DDR1_CKE 21,24 21 DDR1_D23 21 DDR1_DQM3 21 DDR1_DQS3 21 DDR1_DQSN3 21 DDR1_D24 21 DDR1_D25 21 DDR1_D26 21 DDR1_D27 21 DDR1_D28 21 DDR1_D29 21 DDR1_D30 Y 20 AA27 Y 28 Y 27 AA23 Y 22 Y 23 AA24 Y 24 AA26 AA25 AA28 DDR1_D23 DDR1_DQM3 DDR1_DQS3 DDR1_DQSN3 DDR1_D24 DDR1_D25 DDR1_D26 DDR1_D27 DDR1_D28 DDR1_D29 DDR1_D30 DDR1_CS0N DDR1_CK DDR1_NCK DDR1_RST AH23 DDR1_CSN0 21,24 AG24 DDR1_CLK0 21,24 AH24 DDR1_CLK0N 21,24 AG21 DDR1_RST 21 DDR_VREFSTL1 21 DDR1_D31 ______________________________________________________________ VDD_DDR R273 DDR1_D31 _________________ DDR1_VREF0 Y 18 DDR_VREFSTL1 C273 0.1uF/201 _________________ 1K,5% V26 ___________________ DDR1_DQM_ECC GPIO7_11 A22 DDR_VREF_OFFn 24 __DDR1_DQS_EC__CV27 ___________________ DDR1_DQSN_ECC V28 _______________________________________________________________________________________________ DDR1_DQS_ECC DDR1_DQSN_ECC _DDR1_CKE _ R274 1K,5% W22 V23 W19 W23 Y 25 V24 V25 Y 26 DDR1_ECC_D0 DDR1_ECC_D1 DDR1_ECC_D2 DDR1_ECC_D3 DDR1_ECC_D4 DDR1_ECC_D5 DDR1_ECC_D6 DDR1_ECC_D7 R333 4.7K image:./media/image207.png[image]AM572x [[_bookmark111]]**Figure 51. DDR3 Processor Interface** Page 57 of 88 _______________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-53]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark112]][[bookmark112]]**DDR3L Connections** ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The figure below shows the connections to the DDR3 memory device. One device has connections to DDRD0 to D15. The other device has connections to DDRD16 to D31 as shown below. You will notice that the DDR data pins are scrambled. This is done to facilitate the layout of the board and provide for an optimal layout. Address line DDR1_A15 is not used in the default configuration as shipped. If desired a 1G DDR3 part can be used, which will double the memory on the board. U24 image:./media/image214.png[image]DDR1_A15 DDR1_A14 DDR1_A13 DDR1_A12 DDR1_A11 DDR1_A10 DDR1_A9 DDR1_A8 DDR1_A7 DDR1_A6 DDR1_A5 DDR1_A4 DDR1_A3 DDR1_A2 DDR1_A1 DDR1_A0 DDR1_BA2 DDR1_BA1 DDR1_BA0 DDR1_RASN DDR1_CASN DDR1_WEN DDR1_CSN0 DDR1_CKE DDR1_ODT0 M7 T7 NC.M7/A15 T3 A14 N7 A13 R7 A12 L7 A11 R3 A10 T8 A9 R2 A8 R8 A7 A6 P2 P8 A5 N2 A4 P3 A3 P7 A2 N3 A1 A0 M3 N8 BA2 M2 BA1 BA0 J3 K3 RAS# L3 CAS# WE# L2 CS# K9 CKE K1 ODT DQ15 DQ14 DQ13 DQ12 DQ11 DQ10 DQ9 DQ8 DQ7 DQ6 DQ5 DQ4 DQ3 DQ2 DQ1 DQ0 LDQS LDQS# LDM UDQS UDQS# UDM A3 B8 A2 A7 C2 C8 C3 D7 H7 G2 H8 H3 F8 F2 F7 E3 F3 G3 E7 C7 B7 D3 DDR1_D26 19 DDR1_D27 19 DDR1_D30 19 DDR1_D28 19 DDR1_D31 19 DDR1_D29 19 DDR1_D25 19 DDR1_D24 19 DDR1_D19 19 DDR1_D21 19 DDR1_D17 19 DDR1_D20 19 DDR1_D18 19 DDR1_D23 19 DDR1_D22 19 DDR1_D16 19 DDR1_DQS2 19 DDR1_DQSN2 19 DDR1_DQM2 19 DDR1_DQS3 19 DDR1_DQSN3 19 DDR1_DQM3 19 DDR1_CLK0 DDR1_CLK0N DDR1_RST ________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ VDD_DDR _______________________________________________________________________________ J7 K7 CK CK# T2 RSTn L9 L1 NC.L9 J9 NC.L1 J1 NC.J9 B2 NC.J1 D9 VDD.1 G7 VDD.2 K8 VDD.3 N1 VDD.4 N9 VDD.5 R1 VDD.6 R9 VDD.7 A1 VDD.8 A8 VDDQ.1 C1 VDDQ.2 C9 VDDQ.3 D2 VDDQ.4 E9 VDDQ.5 F1 VDDQ.6 H2 VDDQ.7 H9 VDDQ.8 VDDQ.9 _______________________________________________________________________________ K2 ___________________ VDDL L8 ZQ M8 VREFCA H1 VREFDQ ___________________ A9 VSS.1 B3 VSS.2 E1 VSS.3 G8 VSS.4 J8 VSS.5 M1 VSS.6 M9 VSS.7 P1 VSS.8 P9 VSS.9 T1 VSS.10 T9 VSS.11 B1 VSSQ.1 B9 VSSQ.2 D1 VSSQ.3 D8 VSSQ.4 E2 VSSQ.5 E8 VSSQ.6 F9 VSSQ.7 G1 _______________________ VSSQ.8 G9 VSSQ.9 J2 VSSDL _ZQ1_HI R275_ _240,1% _ DDR_VREFSTL1 _______________________ C276 C278 __0.__22uF/201 0.22uF/201 ______________________________________________________________ VDD_DDR 256MBx16 DDR3L [[_bookmark113]]**Figure 52. DDR3L Memory Device connections** Page 58 of 88 ______________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-54]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[g-emmc]] 4G eMMC +++++++ _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ A single 4GB embedded MMC (eMMC) device is on the board. The device connects to the MMC1 port of the processor, allowing for 8bit wide access. This is the secondary boot device but as long as a bootable uSD is not inserted, it will be the primary boot source. The expectation is that this will be the primary boot source for the board. *Figure 21* below is the connection schematic of the eMMC to the processor. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image223.png[image,width=529,height=215]VDD_3V3 ________ R249 MMC2_3V3 ________ MMC2_3V3 __________ 0,1% C266 0.22uF/201 C267 __________ 3V _______ VDD_3V3 _______ image:./media/image224.png[image] __EMMC_V__DD1.1 ____________________________________________________________________________________________________ U11-13 J7 MMC2_CLK H6 C268 4.7uF,6.3V MMC2_CLK MMC2_CMD C269 0.22uF/201 U22 M6 M5 CLK C270 0.1uf ,16V MMC2_CMD J4 MMC2_DAT0 J6 MMC2_DAT1 H4 MMC2_DAT2 H5 MMC2_DAT3 K7 MMC2_DAT4 M7 MMC2_DAT5 J5 MMC2_DAT6 K6 MMC2_DAT7 AM572x 3,8,16,26,27RSTOUTn MMC2_DAT0 MMC2_DAT1 MMC2_DAT2 MMC2_DAT3 MMC2_DAT4 MMC2_DAT5 MMC2_DAT6 MMC2_DAT7 A3 CMD A4 DAT0 A5 DAT1 B2 DAT2 B3 DAT3 B4 DAT4 B5 DAT5 B6 DAT6 K5 __DAT__7 RST MEM_MNAND_4GB [[_bookmark115]]**Figure 53. eMMC Circuitry** ____________________________________________________________________________________________________ [[eeprom]] EEPROM ++++++ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The board has an EEPROM for the storing of information about the board. This information can be used by the software to determine the board’s information such as name and revision. When J2 is installed the EEPROM can be written to. J2 is not installed to prevent writing over the EEPROM information. VDD_3V3 ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 2,3,15,16 2,3,15,16 _______________________________________________________ I2C1_SCL I2C1_SDA C81 image:./media/image225.png[image] 0.1uf ,16V U8 image:./media/image227.png[image,width=80,height=52]8 1 image:./media/image228.png[image,width=250,height=102]7 J2 1 2 HDR_1x1_M_.1 _______________________________________________________ [[_bookmark117]]WRITE ENABLE R37 _____________________________ MEM_24WC256_8SOIC VDD_3V3 10K,1% *Figure 54. EEPROM Circuitry* _____________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-55]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[usd-connector]] uSD Connector +++++++++++++ _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The board is equipped with a single microSD connector to act as the primary boot source for the board if inserted and configured as bootable. There is no boot button as on earlier boards. The uSD is the default boot option so if it is inserted it will boot from the uSD slot if a bootable source is present. The figure below is the circuitry for the uSD card connector. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image229.png[image]VDD_SD VDD_SD ____ C271 C272 ____ 10uF,6.3V __________ 0.1uf ,16V __________ U11-13 ___________________________ _MMC1_DAT2 R266_ 33,5% _MMC1_DAT3 R268_ 33,5% _MMC1_CMD R267_ 33,5% CON_MMC1_DAT2 CON_MMC1_DAT3 CON_MMC1_CMD ___________________________ P12 _ 1 _ 1. DAT2 2. CD/DAT3 3. CMD ______________________ 9 GND 10 CD 11 GND3 12 _MMC1_CLK R269_ 33,5% _MMC1_DAT0 R270_ 33,5% CON_MMC1_CLK CON_MMC1_DAT0 ______________________ 1. VDD 2. CLOCK 3. VSS ______________________ GND4 13 GND5 14 GND6 15 _MMC1_DAT1 R271_ 33,5% CON_MMC1_DAT1 ______________________ 1. DAT0 __*microSD*__GND7 16 ____________ DAT1 GND8 _SCHA5B0200_ ____________ AM572x _____________ _MMC1_SD_CD _ _____________ D20 D21 D22 D23 _______ VDD_3V3 _______ VDD_SD ____________________________________________ [[_bookmark119]]**Figure 55. uSD Circuitry** ____________________________________________ [[boot-modes]] Boot Modes ++++++++++ _____________________________________________________________________________________________________________________________________________________________________________________________________________ As supplied, the board is strapped to boot from the uSD card as default, followed by the eMMC. If desired, the user can remove the resistors and add jumpers to implement an option based boot mode scenario. The *Table 5* below shows the modes selected by the three jumpers. [[_bookmark121]]**Table 5. Boot Options** _____________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image234.png[image,width=154,height=177] [[ref-srm_x15-beagleboard-x15-system-rev-b1-56]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ________________________________________________________________________________________________________________________________________________________________________________________________ *Reference Manual * The figure below is the schematic of the boot option jumpers. By default, the board does not have the headers loaded and there are resistors that short out pins 2 and 3 of each of the jumpers. ________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image235.png[image,width=604,height=230] ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark122]]**Figure 56. Boot Pin Settings** The boot pins are also routed to the expansion headers. In the event an expansion board was created, the boot modes could be overridden. Care should be taken if thee pins are used for other functions, that they not be driven during power up when they are sampled for the boot setting. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-57]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[i2c1-bus]] I2C1 Bus ++++++++ _______________________________________________________________________________________________________________________________________ The I2C1 bus is only connected on the board and does not appear on the expansion headers. There are four devices connected to this bus: _______________________________________________________________________________________________________________________________________ * Board ID EEPROM * Temperature Sensor * TPS65074 PMIC ____________________________________________________________________________ The figure below shows the connection between the processor and the devices. U8 ____________________________________________________________________________ U11-7 _________________ I2C1_SCL I2C1_SDA C20 C21 _________________ 8 7 VCC 6 WP ________________________ 5 SCL SDA 1 A0 2 A1 3 NC 4 VSS AM572x MEM_24WC256_8SOIC U18 ________________________ VDD_3V3 _ 8 _ 1. SCL SDA _____________ TLV320AIC3104 _____________ VDD_3V3 ______ C15 U4 5 3 ______ 0.1uf ,1__6V __ ____________ V+ 1 6 SCL SDA 2 GND ALERT 4 ADD0 TMP102AIDRLT ____________ 2,7,15,16 2,7,15,16 _________________________ I2C1_SDA I2C1_SCL __R1__8 __R1__9 __D__NI,0402 __D__NI,0402 L2 L1 PMIC_SDO H8 PMIC_SCE M3 U5B I2C1_SDA_SDI I2C1_SCL_SCK I2C2_SDA_SDO I2C2_SCL_SCE _________________________ [[_bookmark124]]**Figure 57. I2C1 Bus** _________________________________________________________________________ The table below provides the addresses of each of the devices on the bus. [[_bookmark125]]**Table 6. I2C1 Device Address** _________________________________________________________________________ [cols=",,",options="header",] |================ |DEVICE a| _______ ADDRESS _______ a| ________ FUNCTION ________ |TPS65039 a| ____ 0x58 ____ a| _______________ Power Registers _______________ |TPS65039 a| ____ 0x59 ____ a| _______________ Power resources _______________ |TPS65039 a| ____ 0x5A ____ a| _________________ Trimming and test _________________ |TPS65039 a| ____ 0x5B ____ a| ___ OTP ___ |TPS65039 a| ____ 0x12 ____ a| ___ DVS ___ |EEPROM a| ____ 0x50 ____ a| _________________ Board information _________________ a| ______ TMP102 ______ a| ____ 0x48 ____ a| ___________ Temperature ___________ |AIC3104 a| ____ 0x18 ____ a| ___________ Audio CODEC ___________ |================ [[ref-srm_x15-beagleboard-x15-system-rev-b1-58]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[ethernet]] Ethernet ++++++++ ____________________________________________________________________________________________________________________________________________________________ There a two 10/100/1000 Ethernet ports on the board that connect to the RGMII interfaces of the processor. They are accessible via a stacked RJ45 connector. *Figure 58* below is the block diagram Ethernet section. 10/100/1000 10/100/1000 [[_bookmark127]]**Figure 58. Ethernet System Block Diagram** The external circuitry is the same for both of the Ethernet PHY devices in the following sections only port 0 will be described. ____________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-59]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark128]][[bookmark128]]**Ethernet 0 Processor Interface** ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image236.png[image]**Figure 59** below shows the connections between the Ethernet 0 PHY and the RGMII interface of the processor. [[_bookmark129]]**Figure 59. Ethernet 0 Processor Interface** Resistors R72-R77 are used to set the default modes of the PHY. You can refer to the KSZ903RNX datasheet for more information on these settings. The PHY uses a 25MHz crystal to generate the required clocks. A series of 22ohm resistors are used in series with the RX signals from the PHY to the processor to prevent reflections. Zero ohm resistors are supplied in the TX path to provide test points if needed. They could also be used to minimize reflections if required. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-60]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ _______________________________________________________________________________________________________________________________________________________________________________________________________ *Reference Manual * An optional reset signal, GPIO3_17 is provided if there is a need for an asynchronous reset of the PHY from the processor. This is not enabled by default. It also connects to Ethernet 1 port as well. _______________________________________________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark130]][[bookmark130]]**Ethernet PHY Power** ______________________________________________________________ *Figure 60* shows the power connections to the KSZ9031RNX PHY. ETH0_3V3 Q1 ______________________________________________________________ image:./media/image241.png[image],16V _____________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark131]]**Figure 60. Ethernet Power Diagram** An external FET is required to generate the 1.2V required by the PHY core. The FET is controlled by the PHY itself. The FET requires some heat sink function which is provided by the PCB layout in the form of added copper. All power for the PHY is derived from the VDD_3V3 rail, the main board power. Filters are provided on all rails to minimize noise. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-61]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark132]][[bookmark132]]**Ethernet 0 RJ45 Connections** _______________________________________________________________________________________________________________________________________ *Figure 61* is the connections from the PHY to the RJ45. Each of the pairs of signals an run as differential pairs on the board layout. image:./media/image242.png[image]VDD_3V3 [[_bookmark133]]**Figure 61. Ethernet RJ45 Interface** Two LEDS, one red and one green, are located in the RJ45 connector and are driven by the LED outputs of the PHY. _______________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-62]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark134]][[bookmark134]]**Ethernet 1 RJ45 Connections** ________________________________________________________________________________________________________________________________________ *Figure 37* is the connections from the PHY to the RJ45. Each of the pairs of signals are run as differential pairs on the board layout. image:./media/image247.png[image]P5 [[_bookmark135]]**Figure 62. Ethernet 1 RJ45 Interface** Two LEDS, one red and one green, are located in the RJ45 connector and are driven by the LED outputs of the PHY. ________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-63]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[hdmi]] HDMI ++++ ______________________________________________________________________________________________________________________________________________________________________________________________ There is a single HDMI interface present on the processor. No external framer or circuitry other than protection circuitry is required. This interface is capable of doing 1920x180 at 60 FPS. *Figure 63* below is the HDMI interface circuitry. ______________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image250.png[image]U11-15 P11 _____________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark137]]**Figure 63. HDMI Interface Circuitry** Each of the output pairs are filtered using chokes FL1-FL4 specifically designed for HDMI emissions suppression. This is to help on the FCC and CE emissions testing. Also provided is ESD protection in the form of D12-D19. U21 provides for the level shifting interface to the HDM connector. It also provides 55mA at 5V to power the EDID EEPROM on the monitor. It is not intended to provide power for a HDMI to VGA converter. The two pullup resistors for the I2C are not populated because the level shifter has its own internal pullups. A full size HDMI connector is used as the interface to the display. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-64]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[audio]] 4.1 Audio +++++++++ _____________________________________________________________________________________________________________________________________________________________________ There are two sources of audio from the board, the HDMI interface or the stereo CODEC. Only the CODEC will support Audio input. This section covers the stereo CODEC. _____________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark139]][[bookmark139]]**Processor Interface** ____________________________________________________________________________ *Figure 64* below shows the interface between the processor and the AIC3104. ____________________________________________________________________________ U11-17 AM572x __________________________ 3,8,18,26,27 2,3,7,15 2,3,7,15 RSTOUTn I2C1_SCL I2C1_SDA __AIC_MCLKR R__2_23_ 22,5% __AIC_WCLKR R__2_24_ 10,5% __AIC_BCLKR R__2_27_ 10,5% __AIC_DINR R__2_25_ 10,5% __AIC_DOUTR R__2_29_ 10,5% AIC_MCLK AIC_WCLK AIC_BCLK __________________________ U18 _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image251.png[image]31 8 9 1 3 2 TLV320AIC3104 [[_bookmark140]]**Figure 64. Stereo CODEC Processor Interface** The AIC3104 requires a master clock *(MCLK)* that is supplied by the processor using the XREF_CLK1 pin. Depending on the requirements, this clock can be any range from 512KHz to 50MHz. The most likely frequencies to be used are 12MHZ, 13MHZ, 16MHz, 19.2MHZ or 19.68MHZ. Connection to the processor uses the McASP3 I2S interface. R**STOUTn** signal provides a reset to the AIC3014 whenever the system is reset. The I2C1 interface is used to change the internal registers of the AIC3104. The I2C address is 0x18. Page 69 of 88 _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-65]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark141]][[bookmark141]]**Power Circuitry** _________________________________________________________ *Figure 65* below is the power circuitry for the AIC3104. _________________________________________________________ image:./media/image252.png[image]VDD_3V3 ____________________________________________________ L12 VDAC_3V3 L13 image:./media/image253.png[image]1 3 AIC_AVDD_DAC3.3 FLT_HIFREQ_.47UF BLM21PG221SN1D C247 C248 ____________________________________________________ image:./media/image254.png[image]VDAC_3V3 L1__4 __ __________ C252 0.1uf ,16V __________ VDAC_3V3 ___________________________________ 0.1uf ,16V 0.1uf ,1__6V__ C249 10uF,6.3V image:./media/image255.png[image] U18 25 image:./media/image256.png[image]18 TLV320AIC3104 ___________________________________ FB9 1 2 ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ VDAC_3V3 C260 1uF,4V,0201 TPS77018DBV [[_bookmark142]]**Figure 65. AIC3104 Power Circuitry** The primary power source is the VDD_3V3 rail. You will notice a filter is used on the rail in order to keep the noise down on the audio I/O. After the filter the rail becomes the VDAC_3CV3 rail. This rail is then run through ferrite beads to create the AVDD_DAC, IOVDD, and DRVDD rails. The core circuitry inside the AIC3104 requires a 1.8V power rail on the DVDD pin. The TPS77018 device generates that voltage from the VDAC_3V3 rail. There is a separate ground plane under the CODEC that connects to the system ground at a single point through FB9, a ferrite bead, in order to minimize any noise that might be present in the ground plane. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-66]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark143]][[bookmark143]]**Audio In/Out** ________________________________________________________ *Figure 66* is the audio jacks for the Audio in and out. ________________________________________________________ U18 __ 31 8 9 __ 1 3 2 4 5 25 18 24 7 32 6 17 26 21 _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 33 27 _AUDIO_L C250_ 47uF,6.3V,1206 28 30 29 _AUDIO_R C251_ 47uF,6.3V,1206 19 20 23 22 image:./media/image257.png[image]10 11 12 image:./media/image258.png[image,width=16] 13 14 _AUDIN_L R230_ 10,5__% AUDIN_RRC255__ 2.2uF,6.3V 16 _AUDIN_R R233_ 10,5__%AUDIN_RLC256__ 2.2uF,6.3V 15 LEFT_OUT RIGHT_OUT LEFT_IN RIGHT_IN SJ1-3524NG image:./media/image259.png[image]2 4 P8 3 1 SJ1-3524NG image:./media/image261.png[image]2 4 P9 3 1 TLV320AIC3104 I2C1 ADDRESS 0X18 image:./media/image262.png[image] image:./media/image263.png[image,width=16]image:./media/image264.png[image]FB9 image:./media/image265.png[image,width=21] [[_bookmark144]]**Figure 66. Stereo CODEC Audio Connections** Each of the connectors is a 3.5mm stereo jack. D8-D11 provides ESD protection for the user connections. The termination signals on the interfaces are connected to a single point ground. In the layout is a single dedicated ground for the CODEC circuitry. It is connected to the system ground through FB9. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-67]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[usb-2.0-client-port]] USB 2.0 Client Port +++++++++++++++++++ _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The board has a single USB OTG port that is configured as a Client port by default. The *Figure 67* shows the design of the circuit. D40 provides the ESD protection for the signals. If you look at the full schematic you will see an option for routing these signals to an expansion board. You can swap R321 and R320, putting the port into a host mode. If you want to use it as an OTG port, an ID pin would need to be provided to the processor via a GPIO pin. There is no dedicate ID pin on the processor. _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ VDD_3V3 image:./media/image266.png[image]U11-10 ______________ E25 _USB2_ID _ R321 10K,1% AE11 ______________ AM57 _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 5 image:./media/image267.png[image,width=13] 1 R320 10K,1%,DNI TPD2E001DRL D40 USB1_VBUS [[_bookmark146]]**Figure 67. USB Client Port** There is a VBUS detection circuit on the board. You will notice that it is isolated and not used.. This was put into the design to compensate for the function not working correctly in the PMIC> Once the PMIC was fixed, the circuit was no longer needed. In future revisions, this circuitry will be removed from the assembly. It is left there for now, just in case the PMIC falls ill again. *Figure 68* shows this circuitry and the isolation points. The *USB2_VBUS* connects direct to the PMIC and the *PMIC_VBUS_DET* is the output from the PMIC confirming the detection. _______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-68]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ _____________________________________________________________________________ *Reference Manual * image:./media/image268.png[image]image:./media/image273.png[image]VBUS_DET 13 [[_bookmark147]]**Figure 68. Alternate VBUS Detect Circuitry** _____________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-69]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[usb-3.0-and-hub]] USB 3.0 and HUB +++++++++++++++ __________________________________________________________________________________________________________________________________________________________________________________________ There are three USB3 ports on the board, implemented by using a USB3 HUB connected to the processor. The processor only has one USB3 port and requires the HUB to handle additional ports. __________________________________________________________________________________________________________________________________________________________________________________________ 1. [[_bookmark149]][[bookmark149]]**Processor and HUB Interface** _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Figure 69* shows the main connections between the processor and the HUB. image:./media/image274.png[image]U11-10 U17 AM572x VDD_3V3 [[_bookmark150]]**Figure 69. USB3 and HUB Processor Interface** The USB signals are connected between the HUB and the processor via capacitors. The TX and RX lines are swapped between the two. There is not a dedicated ID pin for the ID function, so GPIO7_26 is used for that function. Pulling it low sets the port to host mode. The I2C3 port is not connected by default and is not currently being used for processor to HUB communications. _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-70]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark151]][[bookmark151]]**USB3 Port Power Control** ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Figure 70* is the power control for the USB3 ports. Each rail is controlled by the USB HUB. Each voltage rail has filter caps, bulk caps, and a ferrite bead for noise emissions reduction. Resistors R293 and R298 set the current limit on each of the switches. Ports 1 and 2 are set for the 1200mA charge current. Only port one has that function enabled at the HUB. The other USB3 port, port 3, is set for 900mA. 14 BATEN0 14 BATEN1 14 OC0 USB_5V image:./media/image275.png[image]2 3 4 5 10 U29 IN1 IN2 EN1 EN2 _FAULT1_ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 9 OUT1 8 OUT2 7 ILIM _______ _U29_7_ _______ R293 25.5K,1% ______________________ _+_ USB1V USB2V _+_ BLM21PG221SN1D L1__8__ L1__7__ BLM21PG221SN1D USB1VBUS USB2VBUS 14 OC1 6 1 FAULT2 GND 11 ______________________ PAD TPS2561DRC U30 2 9 USB3V ___________________ BLM21PG221SN1D L1__9__ _USB3VBUS _ ___________________ 3 _________ 14 BATEN2 7 _U30_7_ _________ R298 __________________________________________________________________________________________ L2__0__ BLM21PG221SN1D USB4VBUS 14 BATEN3 14 OC2 14 OC3 63.4K,1% + + 1 11 TPS2561DRC [[_bookmark152]]**Figure 70. USB3 Power Control** The USB4VBUS is in support of the eSATA connector and can deliver 900mA to the eSATA port. __________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-71]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark153]][[bookmark153]]**USB3 Port Connectors** ____________________________________________________________________________________________________________________________________________ *Figure 71* shows connections to the connectors on the board. The port has ESD protection on all signals. P13 is a single USB 3.0 connector. ____________________________________________________________________________________________________________________________________________ image:./media/image276.png[image,width=338,height=251]D25 _________________ D26 D27 14 USB_DM0 14 USB_DP0 14 USB_RXM0 14 USB_RXP0 14 USB_TXM0 14 USB_TXP0 _C446_ 0.1uf ,16V _________________ USB1VBUS ______________________________________________________________________________________________________________________________________ P13 1 image:./media/image277.png[image]10 4 7 CONN_USB3.0_A [[_bookmark154]]**Figure 71. USB Port 1 Connectors** *Figure 72* shows the connection for USB3 ports 2 and 3. P15 is a dual stacked UBS 3.0 connector. Each pin has a dedicated ESD device. 14 USB_DM1 14 USB_DP1 14 USB_RXM1 14 USB_RXP1 14 USB_TXM1 14 USB_TXP1 ______________________________________________________________________________________________________________________________________ D28 D29 image:./media/image280.png[image]P15 ___________________________________ image:./media/image282.png[image]19 20 14 USB_DM2 14 USB_DP2 14 USB_RXM2 14 USB_RXP2 14 USB_TXM2 14 USB_TXP2 ___________________________________ GSB311231HR __________________________________________________________ [[_bookmark155]]**Figure 72. USB Port 2 and 3 Connectors** __________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-72]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[esatasata]] eSATA/SATA ++++++++++ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Figure 73* is the block diagram of the SATA section. SATA [[_bookmark157]]**Figure 73. eSATA Block Diagram** A switch is used to direct the SATA signals to the onboard eSATA connector or to the expansion header, where they can be used by add-on boards. If the signal on the expansion header, P19-4, is left open, the signals go to the eSATA onboard connector. If the pin is grounded, the switch is activated and the signals are routed to the expansion headers. If the SATA signals are routed to the expansion headers, the eSATA connector can still be used as USB port. The *Figure 74* is the detailed design of the eSATA interface. The eSATA interface is a combination of two separate interfaces, SATA and USB. The eSATA port can be used as an eSATA or a USB 2.0 port. Power for the eSATA is from the USB power pins, 5V. The USB signals originate from the USB 3.0 HUB. The SATA interfaces originate from the AM5728 processor via the switch. Power is routed to the eSATA connector via the TPS2560 FET switch. It is capable of providing the 5V at 900mA required by the eSATA connector. ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-73]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ L21 _________________________________ __R30__1 __0,1%,D__NIVDDA_1V8_PHY _________________________________ U31_1V8 __________________________ 1 3U31_VDRD302 0,1% C421 FLT_HIFREQ_.47UF 0.1uF/201 VDD_1V8 __________________________ TO THE _______________ 27 EXP_SATA_TXP 1K,5% 24 _______________ B0+ ___________________ U[line-through]*31* EXPANSION 27 ___________________ 27 _________________________ EXP_SATA_TXN EXP_SATA_RXP 23 22 B0- _________________________ B1+ _____ U11-1 _____ HEADER. _______________ 27 EXP_SATA_RXN 21 _______________ B1- _________ 18 17 C0+ 16 C0- 15 C1+ 3 C1- SEL 8 2 NC1 NC _________ 4 ___ A0+ ___ 5 ___ A0- ___ 6 ___ A1+ ___ 7 ________________________________ A1- _SATA_TXP_ _SATA_TXN_ _SATA_RXN_ _SATA_RXP_ PI2DBS212_TQFN ________________________________ U17 _____________________ USB_DM_DN3 USB_DP_DN3 A31 B29 _____________________ USB4VBUS 1 2 3 4 5 ________ P6 VBUS0 D- D+ GND1 13 ________ PWRON3Z_BATEN3 ___________________ OVERCUR3Z TUSB8040A A22 A24 USB_5V ___________________ 2 _______________________________________________________________________________ C4__1__6 0.1uf ,16V C417 0.1uf ,16V C__41__8 __0.__1uf ,16V C__42__0 0.1uf ,16V U30 _______________________________________________________________________________ 9 ___________________________________ eSATA_T+ eSATA_T- eSATA_R- eSATA_R+ ___________________________________ 1. GND2 M2 12 2. A+ M1 _____________ 8 A- 17 9 GND3 S4 16 10 B- S3 15 11 B+ S2 14 GND4 S1 eSATA C415 P20_SHLD 0.1uf ,16V R__29__9 1M,1% 3 IN1 IN2 4 _____________ 1. EN1 EN2 __ 10 __ 1. _FAULT1_ OUT1 8 OUT2 7 ILIM 1 _______ _U30_7_ _______ R298 25.5K,1% _+_ _____________ FAULT2 GND 11 _____________ PAD TPS2560DRC _____________________________________________________________________________ image:./media/image285.png[image][[_bookmark158]]*Figure 74. eSATA Circuitry* _____________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-74]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[serial-debug-port]] Serial Debug Port +++++++++++++++++ _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The *Figure 75* is the serial debug port on the board. It provides TX, RX, and ground signals. The SN74LVC2G241 is an isolation buffer to prevent the signals from being fed back into the processor when the board is powered off. VDD_3V3 15 UART3_RXD 15 UART3_TXD [[_bookmark160]]**Figure 75. Debug Serial Port** The TX and RX signals are 3.3V level. In order to connect them to a PC, a USB to serial converter is required. A common one is the FTDI USB to TTL cable as shown in *Figure 76* below. May sure you use the 3.3V version and not the 5V version. image:./media/image288.jpeg[image]Serial Debug Cable Pin 1 [[_bookmark161]]**Figure 76. FTDI USB to Serial Adapter** _________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-75]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[jtag-connector]] JTAG Connector ++++++++++++++ ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________ A JTAG connector is provided for those requiring advanced debug capability. Because the AM5728 processor has a pair of DSPs, those using the DSP may find this feature very useful. *Figure 77* below shoes the connection diagram. VDD_3V3 AM572x ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark163]]**Figure 77. JTAG Port** [[temperature-sensor]] Temperature Sensor ++++++++++++++++++ __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ A TMP102A temperture sensor is located nearthe processor. There is also a temperature sensor inside the processor. This sensor is intended to measure the ambient temperature near the processor. The sensor is connected to the I2C3 bus on the processor. The alert pin that indicates the the temperature has exceeded th eset limit is onnected to GPIO7_16. *Figure 78* below shows the temperature sensor circuitry. VDD_3V3 image:./media/image289.png[image]VDD_3V3 __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ 3,7,15,16 3,7,15,16 __________________________________________________ C15 0.1uf ,1__6V __ image:./media/image290.png[image]I2C1_SCL I2C1_SDA U4 5 __________________________________________________ 4 ___________________________________________________________ 2 TMP102AIDRLT TMP102_ALERT 15 [[_bookmark165]]**Figure 78. Temperature Sensor Circuitry** ___________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-76]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[real-time-clock]] Real Time Clock +++++++++++++++ ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ A battery back external Real Time Clock (RTC) MCP79410 is provided to keep the current clock active while the board is powered down. It can be used in conjunction with the internal Real Time Clock of the processor which will reset when power is removed from the board. In addition to the typical RTC functions, the device has 64 bytes of battery backed RAM and 1Kb of EEPROM. The CR1229 non-rechargeable battery supplies 35mAh of backup power which is sufficient to keep the RTC active for a couple of years. Make sure you do not short the battery by placing the board on a conductive surface when not in use as you will lose the time. *Figure 79* below is the RTC circuitry. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ __BU_BA__TT 1 BAT1 _______ 2 VDD_3V3 _______ CR-1220/FCN VDD_3V3 ______________________ CFS206-32.768KDZB Y1 1 2 U6 RTC_X1 1 8 7 6 4 C__30__ __0.__1uf ,16V ______________________ RTC_ALARM VDD_3V3 _________________ MCP79410,TFDN C31 C32 10pF,50V 10pF,50V _________________ U11-7 ___ C14 ___ image:./media/image292.png[image]AM572x ___________________________________________________________________________________________________________ [[_bookmark167]]**Figure 79. Real Time Clock Circuitry** The RTC_ALARM connects to the Wakeup3 signal on the processor. Communication to the processor uses the I2C3 bus. Registers and settings can be found in the RTC datasheet. ___________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-77]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[user-leds]] User LEDs +++++++++ ____________________________________________________________________________________________________________________________________________________ There are four User LEDS on the board. By setting the corresponding GPIO pin to a 1, the LED will turn on. *Figure 80* shows the User LED circuitry. 5V0 ____________________________________________________________________________________________________________________________________________________ ST-C191KFKT ______________________________________________________ [[_bookmark169]]**Figure 80. User LEDs Circuitry** *Table 7* below gives the GPIO pins used for each LED. [[_bookmark170]]**Table 7. User LED GPIO Mapping** ______________________________________________________ [cols=",",options="header",] |======= a| ___ LED ___ a| ________ GPIO PIN ________ a| _____ USER0 _____ a| _______ GPIO7_8 _______ a| _____ USER1 _____ a| _______ GPIO7_9 _______ a| _____ USER2 _____ a| ________ GPIO7_14 ________ a| _____ USER3 _____ a| ________ GPIO7_15 ________ |======= [[ref-srm_x15-beagleboard-x15-system-rev-b1-78]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ [[forgotten-pins]] Forgotten Pins ++++++++++++++ _________________________________________________________________________________________ If you look on page 15 of the schematics, you will see a group of pins that are not used. *Figure 81* shows those pins. _________________________________________________________________________________________ image:./media/image293.png[image,width=190,height=247] __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark172]]**Figure 81. Forgotten Pins** These pins are useable from the AM5728 processor. The original design of the X15 was to support both the AM5728 and the AM5718 processor with the AM5718 being the lead for the design. In other words the plan was to make it work best of the AM5718. Along the way things shifted toward the AM5728 as the initial processor. Those pins have different functions on the AM5718, so they were not brought out to create a compatibility scenario so as not to lose features when moving between the processors. For more information on the differences between the two processor go to http://www.ti.com/lit/an/sprabx8b/sprabx8b.pdf[_http://www.ti.com/lit/an/sprabx8b/sprabx8b.pdf_] __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-79]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ 1. [[_bookmark173]][[bookmark173]]**Expansion Connectors** _________________________________________________________________________________________________________________________________________________ There are four expansion connectors on the board. The connector used are the Hirose FX18 series. *Figure 82* below is a picture of the connector. _________________________________________________________________________________________________________________________________________________ image:./media/image294.jpeg[image,width=247,height=247] ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[_bookmark174]]**Figure 82. Expansion Connector** When the alpha board was designed, .025 pins and headers were used. The insertion force and retention force of those connectors made them impossible to use as there were too may signals. It was impossible to get the boards pulled apart. On the final version the Hirose connector was used to reduce the insertion and removal force significantly and to provide for higher speed signal handing required by the PCIe and SATA signals. ____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[expansion-header-pinouts]] Expansion Header Pinouts ++++++++++++++++++++++++ _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ The following pages cover the functions found on the expansion headers. The actual pinout is not covered in this document. This information can be found in the *Pin Map* spreadsheet that is sortable on all columns, making it easier to search for pins across various categories such as: _____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ * By expansion header * By function (PRU, LCD, etc.) * By name _____________________________________________________________ The Pin Map spreadsheet can be found on the X15 Support Wiki. _____________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-80]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ _______________________________________________ *Reference Manual * _http://elinux.org/BeagleBoard:BeagleBoard-X15_ _______________________________________________ [[creating-and-expansion-board]] Creating and Expansion Board ++++++++++++++++++++++++++++ _____________________________________________________________________________________________________________________________________________ The expansion connectors are located on the bottom side of the board. There are three possible options for creating your own expansion board. _____________________________________________________________________________________________________________________________________________ * Create a board that connects to one expansion connector * Create a board that connects to two of the connectors * Create a board that connects to all 4 connectors __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ image:./media/image295.jpeg[image,width=529,height=467]**Figure 83** below shows the dimensions of the board and the placement of the connectors. This view is looking through the X15. This would also be the same view used for any expansion board that were designed. The expansion board mounts on the back side of the board. DO NOT mount the X15 under the expansion board, unless it is mounted at an angle to where you get proper airflow, such as when used with an LCD panel. [[_bookmark177]]**Figure 83. Expansion Board Measurements** __________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-81]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ *Reference Manual * The mating connector is the *Hirose FX18-60S-0.8SV15*. If you need different heights than this one, they are available as well. *Figure 84* is a picture of this connector. image:./media/image296.jpeg[http://media.digikey.com/Photos/Hirose%20Elect%20Photos/FX18-60S-0.8SV15.JPG,width=265,height=265] [[_bookmark178]]**Figure 84. Expansion Mating Expansion Connector** These connectors can be purchased from the following suppliers: http://www.digikey.com/product-search/en?keywords=FX18-60S-0.8SV15[_http://www.digikey.com/product-search/en?keywords=FX18-60S-0.8SV15_] http://www.mouser.com/ProductDetail/Hirose-Connector/FX18-60S-08SV15/?qs=sGAEpiMZZMvffgRu4KC1R93sqY37AFrhtQh7fBPpuqI%3d[_http://www.mouser.com/ProductDetail/Hirose-Connector/FX18-60S-_] http://www.mouser.com/ProductDetail/Hirose-Connector/FX18-60S-08SV15/?qs=sGAEpiMZZMvffgRu4KC1R93sqY37AFrhtQh7fBPpuqI%3d[_08SV15/?qs=sGAEpiMZZMvffgRu4KC1R93sqY37AFrhtQh7fBPpuqI%3d_] http://www.newark.com/hirose-hrs/fx18-60s-0-8sv15/connector-rcpt-60pos-2row-0-8mm/dp/59Y7142?ost=FX18-60S-0.8SV15&categoryId&categoryName[_http://www.newark.com/hirose-hrs/fx18-60s-0-8sv15/connector-rcpt-60pos-2row-0-_] http://www.newark.com/hirose-hrs/fx18-60s-0-8sv15/connector-rcpt-60pos-2row-0-8mm/dp/59Y7142?ost=FX18-60S-0.8SV15&categoryId&categoryName[_8mm/dp/59Y7142?ost=FX18-60S-0.8SV15&categoryId=&categoryName_]= http://www.sager.com/fx18-60s-0-8sv15-3614937.html[_http://www.sager.com/fx18-60s-0-8sv15-3614937.html_] https://estore.heilind.com/FX18-60S-0.8SV15/HIRFX18-60S-0.8SV15.html[_https://estore.heilind.com/FX18-60S-0.8SV15/HIRFX18-60S-0.8SV15.html_] Supply will vary so leave yourself enough time when ordering the parts. ______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-82]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image297.jpeg[image,width=555,height=566] ________________________________________________ [[_bookmark179]]**Figure 85. X15 Top Side View** ________________________________________________ [[ref-srm_x15-beagleboard-x15-system-rev-b1-83]] REF: SRM_X15 BeagleBoard X15 System Rev B1 ++++++++++++++++++++++++++++++++++++++++++ ___________________ *Reference Manual * ___________________ image:./media/image298.jpeg[image,width=544,height=544] ___________________________________________________ [[_bookmark180]]**Figure 86. X15 Bottom Side View** ___________________________________________________