راه اندازی آی سی ساعت DS3231 با استفاده از ATXMEGA
مشخصات DS3231:
Accuracy ±2ppm from 0°C to +40°C
Battery Backup Input for Continuous Timekeeping
Low-Power Consumption
Real-Time Clock Counts Seconds, Minutes, Hours, Day, Date, Month, and Year with Leap Year
Compensation Valid Up to 2100
Two Time-of-Day Alarms
Programmable Square-Wave Output
Fast (400kHz) I2C Interface
3.3V Operation
Digital Temp Sensor Output: ±3°C Accuracy