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Another watchdog request: Only a single GPIO control input, single reset out

Garrick88
Prodigy 140 points
Other Parts Discussed in Thread: TPS3850

Hi,

Looking for a simple watchdog that has a 1-2 second reset time. The only signal available in my system is a single output pin. So, I'd like to just be able to wiggle an input into the watchdog device to reset timer. So, perhaps if I don't wiggle or give low->high transistion for 1-2 seconds, it pulls a reset low.

Any recommendation? Thanks!

Garrick