PCF85063ATL/1,118 Datasheet PDF - NXP

●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