The Real Time Clock (RTC) provides the user with real time data in units from centuries down to seconds. Alarm features are available to give either a one time interrupt or recurring interrupts to the processor for real time processing applications.
Features
- Century/Year, Month, Day, Hour, Minute and Seconds registers
- Day of Week and Day of Year registers
- Built-in Daylight Savings and Leap Year functions
- Interrupt generating alarm features
- Interrupt once, at a preset time
- Recurring interrupts using compare masks
- 32 kHz timer interrupt
- Bit significant registers for Day of Week Alarm and Month Alarm
- Run/Stop mode
- Wait state on writes
- Default time: Midnight of Tuesday January 1, 1980