General > General Technical Chat

Terminology poll: ____ the watchdog

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tom66:
Feed or pet the watchdog

tautech:
Warning: Power Rail low !
Isn't that the only thing watchdog's do ?  :-//

Damianos:
I think no! This is the "brown-out" detection circuit. Usually the BOR (Brown Out Reset), to avoid the ... misbehaving.

Jwalling:

--- Quote from: tautech on May 25, 2021, 05:46:26 am ---Warning: Power Rail low !
Isn't that the only thing watchdog's do ?  :-//

--- End quote ---

No, some also get kicked by the processor. If it doesn't get kicked, then the processor is assumed to have stopped/crashed and is reset.

nfmax:
Way back, we put a watchdog into an FPGA, so we had control over the 'feeding' mechanism. The processor had to write 0xFEEDF1D0 into the watchdog register to not be reset

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