BU9873 - I2C BUS Serial Interface RTC

Product Overview

ROHM

Part number	BU9873
Manufacturer	ROHM
File Size	1.22 MB
Description	I2C BUS Serial Interface RTC
Datasheet	BU9873 Datasheet
Additional preview pages of the BU9873 datasheet.

Pin No.

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, and is CMOS push-pull output.

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) Periodic Interrupt Function (Output from INTRB, Ranging from 1 Second to 1 Month) Alarm Interrupt Function (Day-of-Week ･ Hour ･ Minute in Setting Format, Output from INTRB) Oscillation Halt Sensing Function 32.768 kHz Clock Output (Output from 32KOUT with Control Pin) ±30 Second Adjustment Function Automatic Leap Year Recognit.

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Published: May 5, 2014 |