ZERO SOM/ZERO Evaluation Kit/Interfaces and Connectors/CAN
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Contents
CAN[edit | edit source]
Description[edit | edit source]
The CAN interface available on the Evaluation Kit at the connectors J35 and J36 that provides the CAN bus ports compatible with CAN FD 11898-1 standard.
- J35 is a DB9 female connector
- J36 is a Phoenix contact 3.5mm connector
The CAN transceivers are implemented on the EB23 carrier board.
Signals[edit | edit source]
The following table describes the interface signals:
CAN_A[edit | edit source]
| Pin# | OSM ball | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1,4,5,6,8,9 | - | N.A. | N.C. | |
| 2 | B_AB17 | CAN_L | Low bus line | |
| 3 | - | DGND | Ground | |
| 7 | B_AC17 | CAN_H | High bus line |
CAN_B[edit | edit source]
| Pin# | OSM ball | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1 | B_AC19 | CAN_H | High bus line | |
| 2 | B_AB19 | CAN_L | Low bus line | |
| 3 | - | DGND | Ground |
Device mapping[edit | edit source]
- CAN_A device is mapped to
can0device in Linux - CAN_B device is mapped to
can1device in Linux
The peripherals can be configured using ifconfig and ip link utilities.
Device usage[edit | edit source]
Set the switches S7 or S8 enables a 120Ω bus termination.
