PCF8523
Real-Time Clock (RTC) and calendar
Rev. 7 — 28 April 2015
Product data sheet
1. General description
The PCF8523 is a CMOS1 Real-Time Clock (RTC) and calendar optimized for low power consumption. Data is transferred serially via the I2C-bus with a maximum data rate of 1000 kbit/s. Alarm and timer functions are available with the possibility to gener...