Introduction - If you have any usage issues, please Google them yourself
Using Keil uVision to create this project and compile it to get the hex file.
Interfacing DS1307 with AT89S52/1/3 to read and write RTC(Real Time Clocking) IC with I2C bus protocol.
SDA and SCL connected into AT89S52 P2.0 Pin and P2.1 pin.