Yes, m4 from stm have art accelerator (cache memory) which make them less deterministic (but much faster) for flash access. See https://www.st.com/en/microcontr

Yes, m4 from stm have art accelerator (cache memory) which make them less deterministic (but much faster) for flash access. See https://www.st.com/en/microcontrollers-microprocessors/stm32f4-series.html https://www.st.com/en/microcontrollers-microprocessors/stm32...