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Maxim > App Notes > AUTOMOTIVE CIRCUIT PROTECTION
Keywords: Watchdog Timer, Reset, Timeout, Code, Toggle, Software error, Reliability Apr 25, 2008
APPLICATION NOTE 4229
Comparison of Internal and External Watchdog Timers
By: Eric Schlaepfer, Applications Engineer
Abstract: This article compares the benefits and drawbacks of internal (integrated with the microprocessor)
and external (hardware-based) watchdog timers (WDTs). It explains that internal watchdog timers ar