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Boot from the bootloader with nucleo h7s3l8

Daewoong
Associate II

Hi all,

I am using the NUCLEO-H7S3L8 board, and trying to boot MCU from the bootloader.

Based on the reference manual, the conditions for that at the MCU reset :

PRODUCT_STATE = Open

NVSTATE = OPEN

BOOT0 = High

I checked PRODUCT_STATE = Open at the option byte tab of STM32CubeProgrammer. 

I checked NVSTATE = OPEN (0xB4) at the REG tab of STM32CubeProgrammer. 

BOOT0 is made high by hardware.

I thought that with this the MCU should boot from the bootloader. But actually it boot from the flash 0x0800.0000.

Did I miss something ? Please kindly advise what to check further.

Thanks in advance.

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