Hello,I am developing a bootloader that is entirely executed from RAM. If I run the code from a Nuceleo board the MCU is supplied with 3.3V, program executed fine. If i go to target hardware (which runs on 2.5V!!), the cycle speed is reduced by ~14%....

I’ve successfully running the software uart described in AN4457 (Implementing an emulated UART  on STM32F4 microcontrollers) using a STM32F401CE MCUs. The Software is reduced to bare metal and using TIM1 to generate the receive bit sampling event for...

Dear Forum,I am setting up the MPU of a STM32F401CE using a bare metal system. All tasks and handlers run inPriviledge Mode, therefore I want to enable certain areas for priviledged access, background should cause a memfault. I use the following memo...