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CAN communication on F303VC boards

Question asked by Marco Perciavalle on Jul 30, 2017
Latest reply on Jul 31, 2017 by Elkin Granados


I set two F303VC Discovery boards with the same configuration using cubeMx: they have same clock on apb2 bus and time segment 1 and 2 and RJW are both the same.

One is programmed as a receiver and the other as a transmitter.there is no of communication .

I tested this setting in loopback mode and the test was succesful. 

Should I configure clock and bit time parameters in a particular way? Is the problem linked to the wiring? I connected only CANtx to CANtx and CANrx to CANrx (this pin's names are strange because i know that CAN is a differential protocol, so there must be CANH and CANL).

Thanks a lot for any answer.