LSI as RTC clock
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‎2011-12-15 2:24 AM
Posted on December 15, 2011 at 11:24
Hi ,
Is it possible to run RTC with 40khz LSI when power is off and CPU works on battery only? #rtc #lsi
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‎2011-12-15 3:50 AM
Posted on December 15, 2011 at 12:50
7.2.8 RTC clock
... says LSE
is in backup domain, and other clocks are not.Options
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‎2011-12-15 6:11 AM
Posted on December 15, 2011 at 15:11 Thanks, I miss it in manual.
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‎2011-12-18 9:51 PM
Posted on December 19, 2011 at 06:51
It is not Possible.As LSI uses internal RC Oscilator to generate clock.For this purpose Vcc is required.VBAT gives supply to only RTC block.
