Hello,I am trying to interface the STM32U5 Nucleo board (STM32-U575ZI-Q) with a PC tool (Python-based) connected physically with a USB to TTL Serial 3.3V converter. The goal is to transfer an entire file over UART to the Nucleo board. I have made the...

I have generated a project in Cube MX for my custom application board with STM32H745IIK6. I have configured system clock from the HSI to 64MHz and allocated PC0 for GPIO output (blinky application) in CM4 core. My initial hardware semaphore handshaki...