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STM32F303VE Primary Bootloader access problem - System memory configuration

Question asked by Abilash Shahin on Mar 23, 2017

Hello ST Community,

 

I’m trying to configure the boot mode to System memory in the STM32303EVAL board to evaluate the serial bootloader (USART1). I understand from the user manuals that to config the bootloader , the BOOT0 pin (Hard control) as well as the nBOOT1 bit  (Soft control ) should be enabled.

 

I have tried programming the nBOOT1 option bit with the help of  STM32 ST-LINK utility but the option byte programming fails. I have attached the screenshots for your reference.

 

Please help me to access the system memory boot. I use Flash loader demonstrator application to download the code to the internal flash.

 

Thanks!

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