Hello.I did a full chip erase using STM32CubeProgrammer and after that I can upload and run the code. Everything works fine like SAI, SPI interfaces but when I try to set communication via USB_FS as a device only to send data to PC using virtual com ...

I have made a custom pcb with STM32767ZIT6. To program it I use VCC, SWDIO, SWCLK, GND, NRST pins to plug in ST-LINKv2. I also have LED to check if code works. I use STM32CudeIDE to write code and configure the chip. I set one GPIO to be an output pi...