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MSP432E401Y: RX/TX Swap on UARTs

Victor Tolosana
Prodigy 180 points
Part Number: MSP432E401Y

Hello,

Is there a way to swap the RX and TX signals on UARTs ?

Thank you, have a nice day.

Victor Tolosana

  • 0
    Guru 92251 points

    The MSP432E401Y has a pin-mux which can be used to change the pins used for some peripherals.

    However, looking at the UARTs in Table 4-2. Pin Attributes of the datasheet I can't see any UARTs which allow the pin-mux to swap the RX and TX signals:

    I presume you are asking due to a layout issue which has swapped the RX and TX signals on the PCB, and want to correct in software?

  • 0 in reply to Chester Gillon
    Prodigy 180 points

    Thank you for your answer.

    Exactly, that's a layout issue and I would like to avoid cutting traces and soldering wires to solve the problem.