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TMS320F280039: CAN module receiving CAN-FD message issue

Joyce Gao
Expert 3200 points

Part Number: TMS320F280039

Hi expert,

We are using TMS320F28003x chip and encountered a CAN-related problem. When a CAN-FD message appears on the bus, the ECU will always reply with "form error". This error frame affects customer's calibration behavior. After checking the code, we only used the CAN module and did not enable MCAN, so the controller does not support the sending and receiving of CAN-FD. I would like to ask if there is any way, such as controlling the register to prevent the CAN controller from sending error frames?

Thanks

Joyce