Hello, I developped a card around the stm32f401re MCU, and i want to know which one of Pin(s) can show me that my MCU is woke up. It's the first time I use a STM32F401 I never communicated with my MCU, it's for this that I want to know this. Thank yo...

Hi,I developped a new version of my first card that SWD communication didn't work. So, now i manufactured a new card (check the schematic please) can you give some feedback, to know if you see a probleme with my card that can impact swd.  

Salut la communauté, J'ai créé une carte électronique permettant de visualiser l'état de la batterie d'un ULM. J'ai utilisé le microcontrôleur STM32F401CD, et j'avais initialement prévu d'utiliser uniquement l'horloge interne HSI du MCU, donc je n'ai...