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neoECU 20

Device Specifications

neoECU 20 is very similar in function to a neoVI FIRE.

Device Specifications

  • 3 DSPs and 1 RISC processor for 125 MIPS of processing
  • Power Consumption (typical) : 150mA @ 14.4 VDC
  • Sleep Power Consumption (typical) : 12mA @ 12.0 VDC
  • Power Supply: 6-27 Volt Power Operation
  • Dual user notification LED (red and green)
  • Temperature Range: -40C to +85C
  • Vehicle Connectors : 25 Pin male D-SUB and 9 Pin Male D-SUB
  • Warranty: One Year Limited Warranty
  • Firmware: Field upgradeable design (flash firmware)
  • General Purpose IO: 6 MISC IO (0 - 3.3V), 4 IO can be configured as analog
  • General Purpose IO rate report interval: 10 Hz to 1 kHz or based on digital change
  • Stand-Alone Mode Including Scripting, Receive Messages, Transmit Messages, Expressions, IO, and Transport Layers

Networks - General

  • 64 Bit time stamping to accuracy of 10 microseconds on CAN and LIN networks and never overflows. 0.5 microsecond accuracy timestamp available if using one network only
  • Simultaneous operations on all CAN/LIN/J1850 networks
  • Transmit message double-buffering on all networks allows back to back message transmission

Network Specifications

6x CAN Channels

  • 4 Dedicated ISO11898 Dual Wire CAN Physical Layer (TJA1040)
  • 1 Dedicated ISO11519 Low Speed Fault Tolerant CAN Physical Layer (TJA1054A)
  • 1 Dedicated Single Wire CAN Physical Layer GMW3089 / SAE J2411 (MC33897) CAN 2.0B Active
  • Up to 1 M-Bit Software Selectable Baud Rate (auto baud capable)
  • Graphical Bit Time / Baud Rate Calculator
  • Listen only mode support
  • High Speed Mode, Test Tool Resistor, and High Voltage Wakeup support

4x LIN (Local Interconnect), ISO9141, Keyword 2000, or K and L Line

  • Full support for LIN 1.X, 2.X and J2602
  • LIN J2602 / 2.X compatible physical layer
  • Software enabled 1K LIN Master Resistor PER CHANNEL
  • Capable of Generating LIN Waveforms (Including Errors) Using Dedicated Output Compare Hardware (With firmware update)
  • LIN Bus Monitor Mode identifies errors: Sync Break Error State and Length, Sync Wave Error, Message ID parity, TFrameMax/Slave Not Responding, Checksum Error and Transmit Bit Errors.
  • LIN Bus Master Mode operates at same time as LIN Bus Monitor
  • LIN Bus Slave simulation - with or without an LDF file
  • LIN Bus hardware schedule table with support for LIN diagnostics
  • UART Based State Machine
  • only first channel supports L
  • Programmable Timing Parameters including Inter-Byte, TX Inter-Frame, RX Inter-Frame and Initialization Waveforms (0.5 ms Resolution)
  • Initialization Waveforms including Fast Init, Five Baud, and Custom
  • Software Selectable Baud Rate
  • Software enabled 512K Resistor (channel one only)

1x J1850 VPW (GM Class 2)

  • VPW Physical Layer capable of TX and RX operations (MC33390)
  • Reception of IFR data during TX and RX

1x GM CGI

  • Software Enabled (disables LIN2)
  • Programmable Bit Rate (625K, 115.2K, others)
  • Full block mode message reception only
  • Transmission Option available in CGI Simulation Toolkit

The pin connections for the 25 pin connector can be found on the sticker of the unit. Table 1 also has this listing.

Table 1: neoECU 20 device pinout

Pin Name Description
1 SW CAN Single Wire CAN
2 J1850 VPW J1850 VPW (Class 2)
3 LSFT CAN H Low Speed Fault Tolerant CAN High
4 LSFT CAN L Low Speed Fault Tolerant CAN Low
5 MS CAN H Medium Speed CAN High
6 MS CAN L Medium Speed CAN Low
7 ISO L UART/ISO9141/Keyword Line "L"
8 ISO K/LIN 1 UART/ISO9141/Keyword Bi-directional Line "K"
9 DBG CLK Not Used
10 MISC 1 Miscellaneous Signal 1
11 MISC 2 Miscellaneous Signal 2
12 DBG Data Not Used
13 PWR GND Electrical Ground
14 HS CAN H High Speed CAN High
15 HS CAN L High Speed CAN Low
16 HS CAN 2 H High Speed CAN 2 High
17 HS CAN 2 L High Speed CAN 2 Low
18 MISC 4 Miscellaneous Signal 4
19 HS CAN 3 H High Speed CAN 3 High
20 HS CAN 3 L High Speed CAN 3 Low
21 TSYNC CLK H / CGI H CGI High
22 TSYNC CLK L / CGI L CGI Low
23 MISC 3 Miscellaneous Signal 3
24 DBG RESET Not Used
25 VBATT Electrical Positive Supply 6-27 VDC

Table 2 - neoECU 20, 9 pin Connector Pin Descriptions

Pin Name Description
1 LIN 1 LIN 1
2 LIN 2 LIN 2
3 LIN 3 LIN 3
4 LIN 4 LIN 4
5 GND Ground Reference
6 MISC 5 Miscellaneous Signal 5
7 MISC 6 Miscellaneous Signal 6
8 NC No Connect
9 VBatt Out No Connect