DS1339 Datasheet (Maxim Integrated) - I2C Serial Real-Time Clock

DS1339, I2C Serial Real-Time Clock

The DS1339 serial real-time clock (RTC) is a lowpower clock/date device with two programmable timeof-day alarms and a programmable square-wave output.

Address and data are transferred serially through an I2C bus.

The clock/date provides seconds, minutes, hours, day, date, month, and year information

DS1339 Features

* Completely Manages All Timekeeping Functions o Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100 o Two Time-of-Day Alarms o Programmable Square-Wave Output o Oscillator Stop Flag

* Interfaces to