PCF8563 Datasheet | NXP Semiconductors

Real-time clock/calendar Rev. 11 - 26 October 2015 Product data sheet 1. General description 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. 2. 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...