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Too slow for Input Capture? 1Hz

Question asked by john doe on Jul 19, 2017
Latest reply on Jul 30, 2017 by john doe

Looking to measure duty cycle of a pin where I'm looking for a pulse anywhere between 200miliseconds and 800 miliseconds on a 1Hz period. I think I used the terminology correctly, sorry if I didn't. Much of the time, the pin could be ringing with a lot of noise, rather than a good solid pulse. It is a WWVB receiver/decoder.

 

It seems like the counters might be rolling over before my input period ends, so I would have to slow down the clocks. I think.

 

I could probably just use GPIO and external interrupts, and simply count ticks between them.

 

Your thoughts?

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