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Is it possible to create an Exact 1ms wakeup period using RTC in Stm32l1 series controller? if yes, How it can be done? 

Question asked by Mohamed_Ansar.Aswin_ on Mar 24, 2017
Latest reply on Mar 29, 2017 by Mohamed_Ansar.Aswin_

(ref: AN4759)

Configuration 1 - able to achieve ~1ms but not exactly 1 ms.

Configuration 2 - not able to achieve 1 ms but successfully achieved 1s as the least period and can program in multiples of it.