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

Table 1: neoECU 20 device pinout

PinNameDescription

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

PinNameDescription

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