Has somebody worked EEPROM using I2C protocol, i want to store Date/Time and ID of a person in that as he logs in the company, ID will be provided through Serial input, and Date/Time will be taken from RTC (which also uses I2C protocol Dallas 1307 RTC), my problem is i don't know how to go about it, can somebody provide me sample code which will store the data in EEPROM (AT24c64) using I2C protocol, i am using P89c668 microcontroller which is same as P89c51 microcontroller. Plz help me