Boot Jumper 설정
Boot0 = 0 & Boot1 = 0 : Normal bootloader boot with timeout
Boot0 = 0 & Boot1 = 1 : Permanent DFU mode (no timeout)
Boot0 = 1 & Boot1 = 0 : System ROM bootloader (serial)
Boot0 = 1 & Boot1 = 1 : Boot to RAM
Boot Jumper 설정
Boot0 = 0 & Boot1 = 0 : Normal bootloader boot with timeout
Boot0 = 0 & Boot1 = 1 : Permanent DFU mode (no timeout)
Boot0 = 1 & Boot1 = 0 : System ROM bootloader (serial)
Boot0 = 1 & Boot1 = 1 : Boot to RAM