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RTC AND LSI IN VBAT OPERATION

Question asked by levy.chen on Jun 11, 2013
Latest reply on Jun 11, 2013 by levy.chen
Hello!
lately i configured the RTC to work respectively to the LSI oscillator. The RTC is working well while supplied from VDD pin.
when working from the VBAT the last time count is preserved but from turning off to turning on the clock doesn't advance. i went over the datasheets- and havn't encountered that the LSI doesn't work from VBAT.
have i missed a configuration? can the RTC tick in VBAT mode?

b.g.
Chen

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