X1227 Datasheet (Intersil Corporation) - RTC Real TimeClock/Calendar/ CPU Supervisor

X1227, RTC Real TimeClock/Calendar/ CPU Supervisor

The X1227 device is a Real Time Clock with clock/calendar, two polled alarms with integrated 512x8 EEPROM, oscillator compensation, CPU Supervisor (POR/LVS and WDT) and battery backup switch.

The oscillator uses an external, low-cost 32.768kHz crystal.

All compensation and trim components are integr

X1227 Features

* Real Time Clock/Calendar

* Tracks Time in Hours, Minutes, and Seconds

* Day of the Week, Day, Month, and Year

* 2 Polled Alarms (Non-volatile)

* Settable on the Second, Minute, Hour, Day of the Week, Day, or Month

* Repeat Mode (periodic interrupts)