Aug 26, 2017
08:13 AM
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Aug 26, 2017
08:13 AM
I need a missing pulse detector on a PSOC 4. My Signal is 500ms low and 500ms high. If the Signal is low or high for more than 500ms, the output goes to low.
Is this possible (only with digital blocks / no software) ?
Thanks Andreas.
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Aug 31, 2017
11:47 AM
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Aug 31, 2017
11:47 AM
3 Replies
Aug 26, 2017
11:12 AM
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Aug 26, 2017
11:12 AM
You will need a one-shot timer which you can compare to the signal. This will need some software, but you can put this into an interrupt handler. So there is only a small amount of program flow distortion and no need to wait / poll for an event.
Bob
Aug 31, 2017
11:47 AM
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Aug 31, 2017
11:47 AM
Aug 31, 2017
11:53 AM
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Aug 31, 2017
11:53 AM
My missing pulse detector is running with a Count7, a Edge Detector and a SR-Flip-Flop. The reset of Count7 must be an asynchronous reset signal.
Andreas