ATA5021 Digital Window Watchdog Timer DATASHEET Features ● Low current consumption: IVDD 25µA ● RC oscillator ● Internal reset during power-up and supply voltage drops (POR) ● “Short” trigger window for active mode ● “Long” trigger window for sleep mode ● Cyclical wake-up of the microcontroller in sleep mode ● Trigger input ● Single wake-up input ● Reset output ● Enable output 9145I-AUTO-10/14 1.
Description The digital window watchdog timer, Atmel® ATA5021, is designed in Atmel’s state-of-the-art 0.
8µm SOI technology SMART-I.
S.
™1.
In applications where safety is critical, it is especially important to monitor the microcontroller.
Normal microcontroller operation is indicated by a cyclica...

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