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Isnt the watchdog timer redundant if my MCU has one?

April 26, 2017mcu redundant timer Watchdog

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Isnt the watchdog timer redundant if my MCU has one?

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For MCUs with watchdog timers, the MC33794 WDT can be defeated, used as a backup, or used for some other user-defined purpose. For safety-critical systems, a second WDT (independent of the MCUs) provides an added level of confidence that the MCU application will operate correctly.