Hi karudaiyar,The following

[Vara Ashishkumar]

Hi karudaiyar,

The following link may be help you:

http://www.engineersgarage.com/microcontroller/8051projects/seven-segment-multiplexing-AT89C51-circuit

http://www.engineersgarage.com/contribution/real-time-clock-using-8051-microcontroller-rtc-ds1307