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=== Description ===
The CAN interface available on ETRA SoM SOM is based on STM32MP1 SoC.
The CAN port supports the following standards and features:
* two Flexble Flexible Data CAN (FDCAN) modules with shared message RAM and a clock calibration unit
*compliant with ISO 11898-1: 2015 (CAN protocol specification version 2.0 part A, B) and CAN FD protocol specification version 1.0
*the first CAN module supports time triggered CAN (TTCAN), specified in ISO 11898-4