2020-04-01 08:10 AM
2020-04-01 08:59 AM
Try the STM32446E-EVAL manual?
https://www.st.com/resource/en/user_manual/dm00167852-evaluation-board-with-stm32f446ze-mcu-stmicroelectronics.pdf
2020-04-01 10:35 AM
AN4879 "USB hardware and PCB guidelines using STM32 MCUs"