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)