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CAN TxMailbox pending

Xzhan.2
Associate II

‎2019-07-09 11:24 PM

Hi ,

I am using 2 F103rb NUCLEO.

My code works fine in LoopBack mode

But when I use in normal mode, the TransmitMailbox status is pending

I cannot receive on the other board

The transceiver I use is TJA1050

I do put resistor between CAN H and L , 120ohm

May I know the possible reason for the pending message?

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