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Real-Time Clock Implementation Using I2C Protocol Check

NajibGhatte, Vinit Pereira , MadurDattaprasad, TusharSurwadkar

This paper talks about the indigence of Real Time Clock (RTC) for maintaining real timing constraints for various specific applications. Real time Clocking is widely and generally used in various electronic appliances so that tracking the traces becomes versatile and flexible for security purpose. Digital cameras used RTC in it so that when the image is captured it will have details of, on which day and date it was captured for future reference. Such RTCs are very useful when it comes to the need of security, cogent evidence and investigations. Microcontroller AT89C55 is programmed using I2C Protocol with Dallas RTC IC in such a way so as to maintain Real timing and same is displayed on LCD. The parameters can be varied by means of matrix keypad.