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Original question:

LAUNCHXL-F28379D: CAN Module Silent Mode

LAUNCHXL-F28379D: CAN Silent mode

Susan Yang
Genius 9955 points
Part Number: LAUNCHXL-F28379D

Dear team,

In the TRM, it shows that CAN TX and  RX connect internally in Silent mode. Why?

According to Figure 22-2. CAN_MUX, CAN TX and  RX should NOT connect internally in Silent mode.

Please help to check it. 

  • +1
    TI__Guru* 95315 points

    Susan,

         You are correct that there is no reason for the TX & RX to be connected in the Silent mode. What is important to know is that the TX pin is held high all the time while the RX pin is able to receive data. The figures in the TRM are representational only.