BU9873 Datasheet, PDF (10/40 Pages) Rohm – I2C BUS Serial Interface RTC with High-precision Oscillation Adjustment

BU9873
Function Description
IC function will be explained as the following sequence.
1. Communication interface
2. Address mapping of internal register
3. Clock and calendar function
4. Oscillation adjustment function with digital method
5. Alarm interrupts function
6. Periodic interrupt function
7. Test bit
8. ±30 second adjust function
9. Oscillation halts sensing function
10. 32-kHz clock output function
Datasheet
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TSZ22111・15・001
10/37
TSZ02201-0919AGZ00010-1-2
13.Sep.2013 REV.001