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jordanjohnp
jordanjohnp
Associate
October 16, 2014
Question

PB8/9 interfering with each other when using timer/AF

  • October 16, 2014
  • 2 replies
  • 582 views
Posted on October 16, 2014 at 17:17

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    2 replies

    Tesla DeLorean
    Tesla DeLorean
    Guru
    October 16, 2014
    Posted on October 16, 2014 at 19:06

    I'm not aware of a GPIO/AF conflict on F1 devices, you could check the errata, which as I recall has a couple of peripheral/peripheral conflicts on the some pins in AF mode. What other peripherals have potential claim to PB8 and PB9?

    Other than that look for mundane causes related to solder/circuitry attached to the pins externally, paths there, and if you can replicate behaviour on a VL-Discovery board.
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    jordanjohnp
    jordanjohnpAuthor
    Associate
    October 17, 2014
    Posted on October 17, 2014 at 16:55

    Thank you for your comments. As you said, the problem was external hardware circuitry.

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