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bruzzim
bruzzim
Associate III
February 25, 2010
Question

external interrupt firing without any EXTI line set

  • February 25, 2010
  • 2 replies
  • 527 views
Posted on February 25, 2010 at 12:37

external interrupt firing without any EXTI line set

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    2 replies

    bruzzim
    bruzzimAuthor
    Associate III
    May 17, 2011
    Posted on May 17, 2011 at 13:41

    Thanks, this was the problem.

    Best regards,

    Freddie

    Tomas DRESLER
    Tomas DRESLER
    Associate II
    May 17, 2011
    Posted on May 17, 2011 at 13:41

    It's recommended to configure GPIOs in input mode, then clear EXTI flags and last enable the EXTI mask register.

    Be aware that EXTI has asynchronous inputs and react on glitches even below 10 ns!
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