RTC - Add calendar to your device

General description

RTC module defines a time in your electronics. It’s used to control the scheduled operations in your program for example, to turn something on or off at a specific time.

Benefits and Features

Integrated RTC IC

Provides year, month, day, weekday, hours, minutes, seconds and 100th seconds based on a 32.768 kHz quartz crystal

Stop-watch mode for elapsed time counting. From 100th seconds to 999999 hours

Two independent alarms

Integrated back-up circuit with Supercapacitor

WatchDog timer

Ultra-Low Shutdown Current (2μA, typ)

Three timestamp registers

Two independent interrupt generators plus predefined interrupts at every second, minute, or hour

I2C Interface