PCF8563 Real-time clock/calendar datasheet
■The PCF8563 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. A programmable clock output, interrupt output, and voltage-low detector are also provided. All addresses and data are transferred serially via a two-line bidirectional I2C-bus. Maximum bus speed is 400 kbit/s. The register address is incremented automatically after each written or read data byte.
●Features and benefits
■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 μAat VDD= 3.0 V and Tamb=25 ℃
■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 1Hz)
■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
●Applications
■Mobile telephones
■Portable instruments
■Electronic metering
■Battery powered products
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PCF8563 、 PCF8563BS/4 、 PCF8563P/F4 、 PCF8563T/5 、 PCF8563T/F4 、 PCF8563TS/4 、 PCF8563TS/5 |
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[ Mobile telephones ][ Portable instruments ][ Electronic metering ][ Battery powered products ] |
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Datasheet |
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Please see the document for details |
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HVSON10;DIP8;SO8;TSSOP8;SOT |
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English Chinese Chinese and English Japanese |
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16 June 2011 |
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Rev. 9 |
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PCF8563 |
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444 KB |
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