CBC921 clock/calendar equivalent, real-time clock/calendar.
* Ultra-low power Real-Time Clock (RTC) with power-fail detect and battery management
* Low power timer and power manager extend run time in battery-powered sys.
* Power bridging to provide uninterruptible RTC function during exchange of main batteries.
* Consumer applian.
The CBC921xx combines a real-time clock (RTC) with a backup battery charger and other power management features. In the event of an outage of the primary power source, automatic switchover to the backup battery enables extended timekeeping and option.
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