@The things i use:Hardware: Stm32F446RESoftware: CubeMX V.5.4 ; Matlab R2019b ; CubeIDE V.1.1 ; Mat-TargetMy Question is: Where is the Mistake in my Programm. I defined the PA5 as a Gpio output because that´s the Output for the LD2 LED on my board wh...