Glossary Definition for Watchdog

Glossary Term: Watchdog 

Definition

A feature of a microprocessor supervisory circuit that monitors software execution in a microprocessor or microcontroller. It takes appropriate action (assert a reset or nonmaskable interrupt) if the processor gets stuck in an infinite execution loop.
Synonyms
  • Watchdog Timer
  • Watchdog Output
  • WDO
  • Watchdog Circuit
  • Watchdog Time-Out

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