I want to know how to clear bank1 securable area in NUCLEO-STM32G431RB.

[Jzhan.81]

I have configed the FLASH_CR，SET_BIT(FLASH->CR, 1<<27);I want to know how to clear bank1 securable area.

[Jzhan.81]

I want to know how to clear this area;because of it ,MCU can not work;

[Amel NASRI]

Hi @Jzhan.8​ ,

Did you tried with STM32CubeProgrammer?

-Amel

[Amel NASRI]

Hi @Jzhan.8​ ,

Any update on your side? Did you succeed to erase Bank1 of the flash.

-Amel

[Jzhan.81]

Yes, i use the STM32CubeProgrammer.

[Jzhan.81 · Accepted solution]

I have download my program，when debug I found some bugs；and then I have pulled up B00T0(PB9)，mass erase the flash success;then downloaded the new program，I found flash page 0 was protection；I want to know why the page 0 was protection?And how to Contact page 0 protection in STM32CubeProgrammer?Thanks~

[Jzhan.81]

Thanks,Amel;I have solved this problem.

[Amel NASRI]

Hi @Jzhan.8​ ,

Glad to know that your initial issue is already fixed.

Regarding Page 0 protection: may be you have some software protecting it?

You can use STM32CubeProgrammer to unprotect this page as well.

-Amel