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产品详细信息
基本信息
详细信息
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 V at room temperature
Low backup current; typical 0.25 A at VDD = 3.0 V and Tamb = 25 C
400 kHz two-wire I2C-bus interface (at VDD = 1.8 V to 5.5 V)
Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and
1 Hz)
Alarm and timer functions
Integrated oscillator capacitor
Internal Power-On Reset (POR)
I2C-bus slave address: read A3h and write A2h
Open-drain interrupt pin
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