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Part: PCF8563-02
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Datasheet: Download PCF8563-02 datasheet File size : 186 kB
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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 I2C-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
s Provides year, month, day, weekday, hours, minutes and seconds based on 32.768 kHz quartz crystal s Centur y flag s Wide operating supply voltage range: 1.0 to 5.5 V s Low back-up current; typical 0.25 µA at VDD = 3.0 V and Tamb = 25 °C s 400 kHz two-wire I2C-bus interface (at VDD = 1.8 to 5.5 V) s Programmable clock output for peripheral devices: 32.768 kHz, 1024 Hz, 32 Hz and 1 Hz s Alarm and timer functions s Voltage-low detector s Integrated oscillator capacitor s Internal power-on reset s I2C-bus slave address: read A3H; write A2H s Open drain interrupt pin.
3. Applications
s s s s Mobile telephones Por table instruments Fax machines Batter y powered products.
Philips Semiconductors
PCF8563
Real-time clock/calendar
4. Quick reference data
Table 1: Symbol VDD Quick reference data Parameter supply voltage operating mode Conditions I2C-bus I2C-bus inactive; Tamb = 25 °C active; fSCL = 400 kHz; Tamb = -40 to +85 °C IDD supply current; timer and CLKOUT disabled fSCL = 400 kHz fSCL = 100 kHz fSCL = 0 Hz; Tamb = 25 °C VDD = 5 V VDD = 2 V Tamb Tstg operating ambient temperature storage temperature -40 -65 550 450 +85 +150 nA nA °C °C Min 1.0 1.8 Max 5.5 5.5 800 200 Unit V V µA µA
5. Ordering information
Table 2: Ordering information Package Name PCF8563P PCF8563T PCF8563TS DIP8 SO8 TSSOP8 Description plastic dual in-line package; 8 leads (300 mil) plastic small outline package; 8 leads; body width 3.9 mm plastic thin shrink small outline package; 8 leads; body width 3.0 mm Version SOT97-1 SOT96-1 SOT505-1 Type number
6. Block diagram
handbook, full pagewidth
CLKOUT 7 OSCI OSCO INT VSS VDD 4 8 VOLTAGE DETECTOR OSCILLATOR MONITOR CONTROL LOGIC 1 2 3 OSCILLATOR 32.768 kHz DIVIDER 1 Hz CONTROL/STATUS 1 CONTROL/STATUS 2 SECONDS/VL MINUTES HOURS DAYS WEEKDAYS MONTHS/CENTURY YEARS MINUTE ALARM SCL SDA 6 5 I2C-BUS INTERFACE ADDRESS REGISTER HOUR ALARM DAY ALARM WEEKDAY ALARM CLKOUT CONTROL TIMER CONTROL TIMER POR 0 1 2 3 4 5 6 7 8 9 A B C D E F
MGM662
Fig 1. Block diagram.
9397 750 04855 © Philips Electronics N.V. 1999. All rights reserved.
Product specification
16 April 1999
2 of 30
Philips Semiconductors
PCF8563
Real-time clock/calendar
7. Pinning information
7.1 Pinning
handbook, halfpage
OSCI 1 OSCO 2
8 VDD
PCF8563P 7 CLKOUT PCF8563T INT 3 PCF8563TS 6 SCL
4
MGR885
VSS
5
SDA
Fig 2. Pin configuration.
handbook, halfpage
OSCI
1
8
VDD
OSCO
2
7
CLKOUT
INT
3
6
SCL
VSS
4
5
SDA
PCF8563
MGR886
Fig 3. Device diode protection diagram.
7.2 Pin description
Table 3: Symbol OSCI OSCO INT VSS SDA SCL CLKOUT VDD Pin description Pin 1 2 3 4 5 6 7 8 Description oscillator input oscillator output interrupt output (open-drain; active LOW) ground serial data I/O serial clock input clock output (open-drain) positive supply
9397 750 04855
© Philips Electronics N.V. 1999. All rights reserved.
Product specification
16 April 1999
3 of 30
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