Hi Johnson, Thanks for the response. It is the time of last power off ( for e.g. If i turned off board at 3:30:00, and turned on after 20 min, i am expecting RTC should start with 3:50:00., as 20 min passed during power off, and in the background RTC is running using battery backup power. But RTC is starting at 3:30:00 only. Concluding that RTC is not updating during power off). Thanks for sharing the code. I will check and come back on this. Also want to inform you that i am increasing the clock frequency to 20 MHZ after power up. Hope it will not have any impact. Thanks, Krishna
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