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TCAN1043A-Q1: Communication between CAN and CANFD

Fabio Gou
Expert 4435 points
Part Number: TCAN1043A-Q1
Other Parts Discussed in Thread: TCAN1043

The customer is using TCAN1043.

Whether the communication as below is OK?

One device uses CAN, but the other two devices use CANFD.

  • 0
    TI__Guru 74252 points

    Fabio,

    No, this won't work. The CAN FD message frame has different start of frame bits than Classical CAN, and the controller will throw errors if a non-CAN FD message frame is a received on a Classical CAN controller, and vice versa.

    Regards,

    Eric Hackett