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Partname:BQ4847Y-MT
Description: RTC Module With CPU Supervisor
Manufacturer:Texas Instruments
Datasheet:PDF (247K).
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The bq4847 also has a built-in watchdog timer to monitor processor operation. If the microprocessor does not toggle the watchdog input (WDI) within the programmed time-out, the bq4847 asserts WDO and RST. WDI unconnected disables the

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