Posted on March 24, 2017 at 12:35(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.
Posted on March 29, 2017 at 08:21The mistake i made was trying to set the prescalers without properly entering the Init mode. Rectified that and thus achieved 1 ms wakeup timebase.I now have a question, my ck_spre clock frequency is 1 Khz. This ck_s...
Posted on March 29, 2017 at 08:16Thank you Jan.I achieved 1 ms wakeup period by setting prediv_a as 36 and prediv_s as 0 using LSI 37kHz on the nucleo l152re.LSI as RTC clock Time base = ((36 + 1) * (0 + 1)) / 37Khz = 1ms
