nucleo-f746zg system memory bootloader, question about pattern 8

[EKama.1]

Hello there,

I'm trying tu use the system memory bootloader, but the nucleo never enter in this mode. in the AN2606, the note says to use pattern 8 and quotes about boot(pin) and BOOT_ADD0/BOOT_ADD1. I tried put boot pin in high level voltage and restart microcontroller, but the board doesn't enter in bootloader mode. Can you help me about this?

[TDK]

How do you know it's not entering the bootloader?

[EKama.1]

I have connected a conversor usb-ttl to UART1 pinout and trying to send 0x7F and there isn't returns to the terminal.

[ABITT.1]

have you resolved your problem ?

Why don't you use the Flasher software available on the STM site ?