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RTC MCP79410 problem

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akshaybhavsar

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RTC is giving correct values.but it leads by 10-15 sec daily.BY the end of month it is runnng almost 10 minutes ahead.what could be the problem?:oops:
 

Hi,

what could be the problem?
Click to expand...
Crystal frequency... maybe caused by wrong capacitors. Or bad PCB layout.

It could also be temperature.

Klaus
 

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