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

Posted on April 02, 2011 at 10:17

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Guru

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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Associate III

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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