UPD4992
Key Features
- Internal counter for time (hour, minute, second), and calendar (leap year, year, month, day of month, day of week)
- Super low power consumption (IDD = 2 µA MAX. at VDD = 2.4 V)
- Automatic determination of leap year, manual setting possible
- 12 hour/24 hour mode selectable
- 8-bit parallel input/output in BCD data format
- 12 kinds of interval timer output (can be used as watchdog timer)
- Internal voltage detection circuit for automatic determination of battery run-down
- High accuracy
