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PCF8563TS 数据手册 - Philips（飞利浦）
制造商:
Philips（飞利浦）
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TSSOP
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PCF8563TS数据手册
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PCF8563
Real-time clock/calendar
16 April 1999 Product specification
1. General description
The PCF8563 is a CMOS real-time clock/calendar optimized for low power
consumption. A programmable clock output, interrupt output and voltage-low detector
are also provided. All address and data are transferred serially via a two-line
bidirectional I
2
C-bus. Maximum bus speed is 400 kbits/s. The built-in word address
register is incremented automatically after each written or read data byte.
2. Features
■ Provides year, month, day, weekday, hours, minutes and seconds based on
32.768 kHz quartz crystal
■ Century flag
■ Wide operating supply voltage range: 1.0 to 5.5 V
■ Low back-up current; typical 0.25 µA at V
DD
= 3.0 V and T
amb
=25°C
■ 400 kHz two-wire I
2
C-bus interface (at V
DD
= 1.8 to 5.5 V)
■ Programmable clock output for peripheral devices: 32.768 kHz, 1024 Hz,
32 Hz and 1 Hz
■ Alarm and timer functions
■ Voltage-low detector
■ Integrated oscillator capacitor
■ Internal power-on reset
■ I
2
C-bus slave address: read A3H; write A2H
■ Open drain interrupt pin.
3. Applications
■ Mobile telephones
■ Portable instruments
■ Fax machines
■ Battery powered products.
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