The PCF85063ATL/1,118 is a tiny Real Time Clock or Calendar with alarm function and I2C-bus optimized for low power consumption. An offset register allows fine-tuning of the clock. All addresses and data are transferred serially via the two-line bi-directional I2C-bus. Maximum data rate is 400kbps. The register address is incremented automatically after each written or read data byte.
Countdown timer
Minute and half minute interrupt
Internal power-on reset
Programmable offset register for frequency adjustment
