Dear Colleagues,I have tried for more than a week to get the internal D+ pull up resistor to activate on my custom board.I have checked the clocks and they seem to be all running. I created a new project with only USB OTG FS hid class enabled. STMCub...

Dear friends,I have been using the STM32H743ZI in three phase power supply project and the controller is responsible for the zero crossing detection of the three phases. To do this I use PB0, PB1,PB2 set up as EXTI inputs 0,1,2. Mains frequency is 50...