Hello,In a working "version 1" of a cutom PCB, I used a SPBTLE-RF chip to communicate with my STM32 MCU.MOSI, MISO, CLK, RST, and IRQ pins are wired to the MCU. RST is materially pulled-up, and IRQ is materially pulled-down. MOSI, MISO, CLK are confi...

I have STM32L073RZ. I'd like to load my code through the USB connection (PA11 and PA12 pins). When I use the Nucelo Board NUCLEO-L073RZ the Peripheral Manager detects the board as "STMicroelectronics STLink Virtual COM Port COM6)". I would like to by...