Understanding the basics of the STM32 Real Time Clock (RTC) as well as a trick to run the RTC from the main crystal (HSE).
STM32World Wiki page: https://stm32world.com/wiki/STM32_Real_Time_Clock_(RTC)
#STM32 #STM32CubeIDE #STM32CubeMX #RTC #STM32World
00:00 Intro
00:30 The block diagram
02:20 Diving further into the datasheet
03:35 The STM32CubeMX configuration
04:30 The clock tree and the RTC Clock Multiplexer
05:15 Using the HSE (High Speed External oscillator)
07:00 Dividing the HSE frequency down to 1 Hz
