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Thread: Teensy 3.2 pins 3 & 4

  1. #1

    Teensy 3.2 pins 3 & 4

    On the 3.2, what serial port is used by pins 3 - TX and 4 - RX? ie. serial1 or ???

  2. #2
    Senior Member
    Join Date
    Nov 2012
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    If I read the card correctly, that is the CAN bus Tx and Rx.

    Pete

  3. #3
    Pete - looks like your right. I didn't see the canbus light pink legend, now i feel stupid...

    Thanks!

  4. #4
    Senior Member PaulStoffregen's Avatar
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    Nov 2012
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    23,033
    FWIW, this question has come up several time. It's easy to visually mix them up with the serial signals. On the newer product cards we changed the names to "CAN0RX" & "CAN0TX" or "CRX1" & "CTX1" to make this clearer.

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