Difference between revisions of "AXEL Lite SOM/AXEL Lite Evaluation Kit/Interfaces and Connectors/CAN"
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==CAN == | ==CAN == | ||
Latest revision as of 08:25, 9 January 2024
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| History | |||
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Contents
CANEdit
DescriptionEdit
The CAN interface available on the Evaluation Kit at the connector J23.
J23 is a 3x2x2.54mm header that provides the CAN bus port compatible with the CAN 2.0B protocol. The CAN transceiver is implemented on the AXEL LITE SOM.
SignalsEdit
The following table describes the interface signals:
| Pin# | SOM Pin# | Pin name | Pin function | Pin Notes |
|---|---|---|---|---|
| 1,2 | - | N.A. | N.C. | Bus termination |
| 3 | J10.44 | CAN_M | Low bus line | |
| 4 | J10.42 | CAN_P | High bus line | |
| 5 | - | CAN_SHIELD | Shield | |
| 6 | - | DGND | Ground |
Device mappingEdit
CAN device is mapped to can0 device in Linux. The peripheral can be configured using ifconfig and ip link utilities.
Device usageEdit
Inserting a jumper on pins 1 and 2 enables 120Ω bus termination.
