stm32f4 otg update bin file

 

AN3990

[링크 : https://www.st.com/resource/en/application_note/dm00039672-upgrading-stm32f4discovery-board-firmware-using-a-usb-key-stmicroelectronics.pdf]

 

um1021

[링크 : https://www.st.com/resource/en/user_manual/cd00289278-stm32f105xx-stm32f107xx-stm32f2xx-and-stm32f4xx-usb-onthego-host-and-device-library-stmicroelectronics.pdf]