PCF8563T/F4,112

The PCF8563T/F4,112 is a CMOS1 Real-Time Clock (RTC) and calendar optimised 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.

• Provides year, month, day, weekday, hours, minutes and seconds based on a 32.768KHz quartz crystal
• Century flag
• Low backup current
• 400KHz two wire I2C bus interface
• Programmable clock output for peripheral devices
• Alarm and timer functions
• Integrated oscillator capacitor
• Internal power on reset (POR)
• Open drain interrupt pin
• Open drain interrupt pin