器件名称: H2266
功能描述: Renesas 16-Bit Single-Chip Microcomputer H8S Family/H8S/2200 Series
文件大小: 173.37KB 共712页
简 介:PCF8563
Real time clock/calendar
Rev. 04 — 12 March 2004 Product data
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 kbit/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 Century ag s Clock operating voltage: 1.8 V to 5.5 V s Low backup current; typical 0.25 A at VDD = 3.0 V and Tamb = 25 °C s 400 kHz two-wire I2C-bus interface (at VDD = 1.8 V 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 Integrated oscillator capacitor s Internal power-on reset s I2C-bus slave address: read A3H and write A2H s Open-drain interrupt pin.
3. Applications
s s s s Mobile telephones Portable instruments Fax machines Battery powered products.
Philips Semiconductors
PCF8563
Real time clock/calendar
4. Quick reference data
Table 1: Symbol VDD Quick reference data Parameter supply voltage Conditions operating; I2C-bus I2C-bus inactive; Tamb = 25 °C active; fSCL = 400 kHz; operating; Tamb = 40 °C to +125 °C IDD supply current timer and clock output disabled; fSCL = 400 kHz timer and clock outp……
