Posted on August 21, 2012 at 16:03I'm using a 6pF cristal with 12pF external capacitors.LSE clock is running, I've checked it on MCO1 output and it's stable.Here is code:(I'm using stm32f2xx_stdperiph_lib)int main(void){ SystemInit(); rcc_init(); R...

Posted on August 21, 2012 at 14:37I have the same problem. I'm working on STM32F217VGT6 and when I want to configure LSE as the source clock of RTC it returns ERROR on synchonization and prescalers initialization. Did You found solution for this pro...