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sima2
sima2
Associate III
April 2, 2011
Question

HELP: Handle noise on timer ETR pin when counting pulses?

  • April 2, 2011
  • 2 replies
  • 489 views
Posted on April 02, 2011 at 10:17

HELP: Handle noise on timer ETR pin when counting pulses?

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    2 replies

    Tesla DeLorean
    Tesla DeLorean
    Guru
    May 17, 2011
    Posted on May 17, 2011 at 14:30

    Do you have a handle on the frequency and pulse width of this noise?

    You could try dropping the frequency of the APB.

    Other than that you'd have to filter it externally, either with a resync circuit, debouncing, or a low pass filter.

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    mehmet.karakaya
    mehmet.karakaya
    Associate III
    May 17, 2011
    Posted on May 17, 2011 at 14:30

    hello ,

    please can you give your code for counting ETR

    I couldnot count ETR no matter what I tried

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