Microchip MEB II board

Microchip Multimedia Expansion Board II (manual and schematics) is a flexible development platform, which works with PIC32MZ EC Starter Kit (manual and schematics).

Features of MZ Starter Kit:

• PIC32MZ microcontroller 200 MHz (MIPS architecture, DSP, 2Mb Flash and 512Kb RAM)
• HI-speed USB 2.0 port with host/device/dual OTG role
• USB 2.0 OTG controller with USB and micro-USB connectors
• Ethernet port 10/100Base-T
• SMSC LAN8720 PHY daughter board
• On-board oscillator 24 MHz
• Three user LEDs
• Three user buttons
• Integrated debugger/programmer with mini-USB connector
• ICSP port
• 3.3V operating voltage
• USB powered

Features of MEB-II:

• Microchip MRF24WG0MA WiFi module
• Bluetooth transceiver
• 4.3” touch display
• 24-bit stereo audio codec
• mTouch sensing buttons
• Analog temperature sensor
• VGA camera
• Micro SD card connector
• PICtail connector

Memory:

• 2 Mbytes of program Flash memory
• 512 kbytes of RAM
• 160 kbytes of boot Flash memory
• 4 Mbytes of external SQI Flash on Starter Kit board
• 2 Mbytes of external EBI SRAM on MEB-II board

A rich set of peripheral functions is available: UART, SPI, I2C, I2S, ADC, timers. Two internal oscillators available: 8 MHz and 32 kHz.

Signals

LEDs/Buttons

Signal	PIC32 Pin	Type	SK Pin	Function
RH0	RH0	O	113	LED1 on SK (red), LED1 on MEB-II
RH1	RH1	O	115	LED2 on SK (yellow), LED3 on MEB-II
RH2	RH2	O	62	LED3 on SK (green), LED2 on MEB-II
RH6	AN42/ERXD2/RH6	O	92	LED4 on MEB-II
RH11	EBIRDY2/RH11	O	84	LED5 on MEB-II
RB12	AN7/RB12	I	---	Button S1 on SK
RB13	AN8/RB13	I	---	Button S2 on SK
RB14	AN9/RPB14/SCK3/RB14	I	---	Button S3 on SK
RA0	TMS/RA0	I	4	Fire Button on MEB-II

microSD

Signal	PIC32 Pin	Type	SK Pin	Function
SD_DATA3/SD_CD	AN9/RPB14/SCK3/RB14	I/O	163	Data 3/Card Detect
SD_DATA2	N/C	I/O	164	Data 2
SD_DATA1	AN45/C1INA/RPB5/RB5/VBUSON	I/O	165	Data 1
SD_DATA0	AN12/C2IND/RPG8/SCL4/RG8	I/O	166	Data 0
SD_CLK	AN14/C1IND/RPG6/SCK2/RG6	O	167	Clock
SD_CMD	ETXCLK/RPD7/RD7	O	168	Command
RJ5	EBICS1/RJ5	I	76	Mechanical Card Detect

Wi-Fi

Signal	PIC32 Pin	Type	SK Pin	Function
INT0	INT0/RD0	I	14	Wi-Fi Interrupt
RH14	EBIADV/RH14	O	85	Sleep
SDI4	AN13/C1INC/RPG7/SDA4/RG7	I	89	Serial Data Out
SDO4	AN3/C2INA/RPB3/RB3	O	105	Serial Data In
SS4	AN26/RPE9/RE9	O	95	Chip Select
RJ0	ETXERR/RJ0	O	120	Reset
SCK4	RPD10/SCK4/RD10	I/O	114	Serial Clock

Bluetooth

Signal	PIC32 Pin	Type	SK Pin	Function
SCK2	AN14/C1IND/RPG6/SCK2/RG6	I	87	Serial Transmit
RB2	AN2/C2INB/RPB2/RB2	O	107	Regulator Enable
U2RTS	ETXCLK/RPD7/RD7	O	122	Request-to-Send
U2CTS	AN12/C2IND/RPG8/SCL4/RG8	I/O	91	Serial Clear-to-Send
U2TX	AN9/RPB14/SCK3/RB14	O	88	Serial Receive/mTouch Button Analog Channel

Analog

Signal	PIC32 Pin	Type	SK Pin	Function
AN6	AN6/RB11	O	119	Accelerometer X-axis Out
AN7	AN7/RB12	O	121	Accelerometer Y-axis Out
AN8	AN8/RB13	O	123	Accelerometer Z-axis Out
AN23	RG15	I	23	Temperature Sensor

Audio Codec

Signal	PIC32 Pin	Type	SK Pin	Function
SS1	TDO/RF12	O	1	Left-Right Clock
RH3	RH3	O	64	Audio Power Down
SDA2	SDA2/RA3	I/O	82	I2C Data
SDI1	AN32/AETXD0/RPD14/RD14	I	94	Audio Serial Data Output
REFCLKO1	AN33/RPD15/SCK6/RD15	O	96	External Master Clock Input
SCL2	SCL2/RA2	I/O	112	Serial Clock
SDO1	CVREFOUT/AN5/RPB10/RB10	O	117	Audio Serial Data Input
SCK1	RPD1/SCK1/RD1	O	118	Audio Bit Clock

EBI-SRAM/Display

Signal	PIC32 Pin	Type	SK Pin	Function
RB1	PGEC1/AN1/RPB1/RB1	O	7	Horizontal Sync
EBIWE	EBIWE/PMWR/RC3	O	68	Pixel Clock
RJ3	EBIA22/RJ3	O	77	Reset
EBICS2	EBICS2/RJ6/SQI_PWR	O	78	Chip Select
RB4	AN4/C1INB/RB4	O	103	Data Enable
RH9	ERXD3/RH9	O	108	Vertical Sync
RH13	ECRS/RH12	O	116	Stand-by
EBID15	EBID15/PMD15	I/O	131	R0
LCD_B7	(EBID4/PMD4)	I/O	132	B7
LCD_R1	(EBID15/PMD15)	I/O	133	R1
EBID3	EBID3/PMD3	I/O	134	B6
LCD_R2	(EBID15/PMD15)	I/O	135	R2
EBID2	EBID2/PMD2	I/O	136	B5
EBID11	EBID11/PMD11	I/O	137	R3
EBID1	EBID1/PMD1	I/O	138	B4
EBID12	EBID12/PMD12	I/O	139	R4
EBID0	EBID0/PMD0	I/O	140	B3
EBID13	EBID13/PMD13	I/O	141	R5
EBID4	EBID4/PMD4	I/O	142	B2
EBID14	EBID14/PMD14	I/O	143	R6
LCD_B1	(EBID4/PMD4)	I/O	144	B1
LCD_R7	(EBID15/PMD15)	I/O	145	R7
LCD_B0	(EBID4/PMD4)	I/O	146	B0
EBID10	EBID10/PMD10	I/O	147	G0
LCD_G7	(EBID10/PMD10)	I/O	148	G7
LCD_G1	(EBID10/PMD10)	I/O	149	G1
EBID9	EBID9/PMD9	I/O	150	G6
EBID5	EBID5/PMD5	I/O	151	G2
EBID8	EBID8/PMD8	I/O	152	G5
EBID6	EBID6/PMD6	I/O	153	G3
EBID7	EBID7/PMD7	I/O	154	G4
EBIOE	EBIOE/PMRD/RC4	O	155	Pixel Clock

Touch

Signal	PIC32 Pin	Type	SK Pin	Function
MCLR	ICSP_MCLR_VPP_TARGET	I/O	13	Touch Controller Reset (System Reset in general)
RH10	ECOL/RH10	O	110	Touch Wake-up
SCL1	RPA14/SCL1/RA14	I/O	124	Serial Clock
SDA1	RPA15/SDA1/RA15	I/O	126	Serial Data
INT1	AN25/RPE8/RE8	I	93	Touch Interrupt

mTouch button

Signal	PIC32 Pin	Type	SK Pin	Function
AN42	AN42/ERXD2/RH6	I	92	Touch Button B1
AN28	VREF+/RA10	I	111	Touch Button B2

Camera

Signal	PIC32 Pin	Type	SK Pin	Function
RB0	PGED1/AN0/RPB0/RB0	O	5	LDO Shutdown
OC5	AN10/RPB15/OCFB/RB15	O	90	System Input Clock
RJ7	EBICS3/RJ7	O	80	Power Down
SCL3	SCL3/RPF8/RF8	I/O	106	Serial Clock
SDA3	SDA3/RPF2/RF2	I/O	104	Serial Data
INT2	SQICS0/RPD4/RD4	I	19	Camera Pixel Clock
RA1	TCK/RA1	I	2	Horizontal Sync
RA9	EBIRDY3/RJ2	I	86	Vertical Sync

EBI-SRAM

Signal	PIC32 Pin	Type	SK Pin	Function
EBIA1/RK1	EBIA1/PMA1	I/O	27	Address 1/Camera Data 1
EBIA3/RK2	EBIA3/PMA3	I/O	31	Address 3/Camera Data 2
EBIA16/RK0	EBIA16/RK0	I/O	61	Address 16/Camera Data 0
EBIA17/RK3	EBIA17/RK3	I/O	63	Address 17/Camera Data 3
EBIA18/RK4	EBIA18/RK4	I/O	65	Address 17/Camera Data 4
EBIA19/RK5	EBIA19/RK5	I/O	67	Address 17/Camera Data 5
EBIA20/RK6	EBIA20/RK6	I/O	73	Address 17/Camera Data 6
EBIA21/RK7	EBIA21/RK7	I/O	75	Address 17/Camera Data 7
EBIA0	EBIA0/PMA0/RJ15	O	25	Address 0
EBIA2	EBIA2/PMA2/RG9	O	29	Address 2
EBIA4	EBIA4/PMA4	O	33	Address 4
EBIA5	EBIA5/PMA5/RA5	O	35	Address 5
EBIA6	EBIA5/PMA5/RA5	O	37	Address 6
EBIA7	EBIA7/PMA7	O	43	Address 7
EBIA9	EBIA9/PMA9	O	47	Address 9
EBIA10	EBIA10/PMA10/RB8	O	49	Address 10
EBIA11	EBIA11/PMA11/RB12	O	51	Address 11
EBIA12	EBIA12/PMA12/RC2	O	53	Address 12
EBIA13	EBIA13/PMA13/RJ13	O	55	Address 13
EBIA14	EBIA14/PMCS1/PMA14/RA4	O	57	Address 14
EBIA15	EBIA15/PMCS2/RD9	O	59	Address 15
EBIA23	EBIA23/RH15	O	79	Sleep Enable
EBIBS0	EBIBS0/RJ12	O	81	Bank Select 0 (Lower Bank)
EBIBS1	EBIBS1/RJ10	O	83	Bank Select 1 (Upper Bank)

PICtail Connector

J2	PIC32 Pin	Function
1	---	+3.3V
2	EBIRDY3/RJ2	LCD_VSYNC
3	SCL2/RA2	AUDIO_SCL
4	RPA14/SCL1/RA14	TOUCH_SCL
5	SDA2/RA3	AUDIO_SDA
6	RPA15/SDA1/RA15	TOUCH_SDA
7	AN13/C1INC/RPG7/SDA4/RG7	WIFI_SDO
8	AN13/C1INC/RPG7/SDA4/RG7	WIFI_SDO
9	AN12/C2IND/RPG8/SCL4/RG8	BT_RTS, SD_DATA0
10	AN3/C2INA/RPB3/RB3	WIFI_SDI
11	AN14/C1IND/RPG6/SCK2/RG6	BT_TX, SD_CLK
12	RPD10/SCK4/RD10	WIFI_SCK
13	RPF3/USBID/RF3	SS2
14	TDO/RF12	AUDIO_LRCK
15	AN32/AETXD0/RPD14/RD14	AUDIO_SDTO
16	RPD10/SCK4/RD10	WIFI_SCK
17	VREF+/RA10	Touch Button B2
18	AN3/C2INA/RPB3/RB3	WIFI_SDI
19	AN9/RPB14/SCK3/RB14	BT_RX, SD_CD
20	AN9/RPB14/SCK3/RB14	BT_RX, SD_CD
21	CVREFOUT/AN5/RPB10/RB10	AUDIO_SDTI
22	AN10/RPB15/OCFB/RB15	CAM_XVCLK
23	PGED1/AN0/RPB0/RB0	CAM_LDO_SHDN
24	AN26/RPE9/RE9	WIFI_CS
25	RPD1/SCK1/RD1	AUDIO_BICK
26	---	+3.3V
27	TDO/RF12	AUDIO_LRCK
28	---	GND