[SOLVED] RTC Using timer of pic16f877a....

[Alkeshwr]

hello.....i want to build a real time clock using the internal timer(s) of the pic 16f877a and display the time on 16x2 lcd. I can handle the lcd commands but please upload and explain me the timer operations using the ccs pcw compiler......!

 

[jayanth.devarayanadurga]

It is better to use RTC DS1307. If you generate time using code and without RTC then when there is a power failure your time will be 00:00:00 and you can't write time to eeprom every few minutes.