BU9873 rtc equivalent, i2c bus serial interface rtc.
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2 Connected to the CPU via I C Interface Time (Hour ･ Minute ･ Second, Selectable 12-Hour and 24-Hour Mode Setting) Calendar (Year･Month･Day･Week).
Pin No. 1 2 3 4 5 6 7 8 Symbol 32KOUT SCL SDA VSS INTRB OSCOUT OSCIN VDD Input/Output Output Function
The 32KOUT pin is used to output 32.768 kHz clock pulses, which is controlled by an internal register. This pin is enabled during power-on from 0V,.
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