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LPC2366 RTC Battery drain

Mustafa shaikh

Hi...

I am using LPC2366 in my application, I have connected CR2032 3V Lithium
Battery to maintain the RTC.

The Problem with the System is I have to change the CR2032 3V Lithium Battery
After every two months...

I have reffered the errata sheet for LPC2366 RTC..

Another problem is when ever I change the RTC Battery ... Initially It
Takes current to 22mA... With system in OFF State, unless I power ON the
System....

Can any one tell me the cause for this ?

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