RTC on AVR Atmel s usage example program-RTC on AVR Atmel s usage example program

Real-time clock (RTC) counts seconds, minutes, hours, date of the month, month, day of the week, and year with leap-year compensation valid up to 2100. Source code for Atmel AVR chip.

Driver for ds1307 rtc clock using c51 keil compiler and connected to atmel 89s8253 microcontroller