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    • Stm32F446XX , TIM2 Frequency measurement using input capture giving inconsistent captures

    Posted by nichtgedacht on 2017-03-01 21:49

    Hi

    1MHz is far to fast.

    That would mean 1us for the interrupt handler (the callback is only a small part of it) plus overhead at only 16 MHz clock tsss tsss.

    Try 50 kHz.

    Dieter

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