Features | - Watchdog Timekeeper
- Features
- Keeps track of hundredths of seconds, seconds,minutes, hours, days, date of the month, and years; valid leap year compensation up to 2100
- Watchdog timer restarts an out-of-control processor
- Alarm funtion schedules real time-related activities
- Embedded lithium energy cell maintains time, watchdog, user RAM, and alarm information
- Programmable interrupts and square wave outputs maintain 28-pin JEDEC footprint
- All registers are individually addressable via the address and data bus
- Accuracy is better than +- 1 minute/month at 25°C
- Grater than 10 years of timekeeping in the absence of VCC
- 50 bytes of user NV RAM
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