PCF8563 clock/calendar equivalent, real-time clock/calendar.
* Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
* Century flag
* Clock operating voltage: 1.0 V to 5.5 .
* Mobile telephones
* Portable instruments
* Electronic metering
* Battery powered products
1. The defi.
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