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