easy5 pts · first answer countsfirmwarewatchdog

Kicking the watchdog in a timer ISR

A developer refreshes the watchdog from a 10 ms timer interrupt. Why is this a poor design?

A.Timer interrupts are too slow to refresh a watchdogB.The ISR keeps running even if the main code has hungC.The watchdog can only be refreshed from main()D.It uses too much CPU time for one register write

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Kicking the watchdog in a timer ISR

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