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RTC doupt

jeyakumar
Associate II
Posted on April 11, 2008 at 07:54

RTC doupt

3 REPLIES 3
jeyakumar
Associate II
Posted on May 17, 2011 at 12:29

Dear Friends

STM32 has software controlled RTC.When we don't have power for microcontroller.RTC will draw power from RTC battery.but how it will increment Date ,time,week,month when we don't have power for Micro.Pls help me on this.Thank you

Warm regards,

jeyakumar.R

ivanov-i
Associate II
Posted on May 17, 2011 at 12:29

The LSE is powered also by the battery backup domain, so you should use it for clocking the RTC.

jeyakumar
Associate II
Posted on May 17, 2011 at 12:29

thank you