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Thread: Seeking explanation of "5V tolerant" re Teensy 3.2

  1. #1
    Junior Member
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    Sep 2017
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    Seeking explanation of "5V tolerant" re Teensy 3.2

    Newb here. I'm considering the Teensy 3.2 to replace a Pro Trinket (5V) in an existing project. Can someone point me to an explanation of the term "5V tolerant" as it applies to the 3.2? Also, I've been unable to locate a datasheet, or even a pinout, for the part, so a pointer to those would also be appreciated. Thanks.

  2. #2
    Senior Member
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    5v tolerant means the micro talks and controls gpios using 3.3v signals, but also accepts inputs of 3.3 to 5v as well, except on analog gpio pins, never use 5v there.

  3. #3
    Senior Member PaulStoffregen's Avatar
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    Teensy pinouts can be found here:

    https://www.pjrc.com/teensy/pinout.html

    Every Teensy is supposed to ship with a printed copy of the pinout card (same as the PDF). Did your's not come with the printed card?


    Datasheets for the chips are here:

    https://www.pjrc.com/teensy/datasheets.html

  4. #4
    Junior Member
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    Sep 2017
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    Thanks, tonton81 and Paul.

    >Did your's not come with the printed card?

    Haven't ordered it yet.

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