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PMoor.1 · 2021-06-29

It seems unprotected flash can be programmed and then protected using user application launched native STM32 USART BOOTLOADER, but protected flash can only be cleared, but not reprogrammed without also having access to the boot pin configuration. (A...

PMoor.1 · 2021-04-30

Trying to figure out how to launch the STM32F100 UART bootloader from within an application and have been having zero success after careful review AN2606 Rev 46 “STM32 microcontroller system memory boot mode�? and AN3155 Rev 13 “USART protocol used i...

PMoor.1 · 2021-06-29

For this case, having the product default to launching the bootloader if the flash was blank would make it simple, but perhaps not desirable. The risk of a "dead brick" in the field should be avoided as much as possible, but being able to remotely r...

PMoor.1 · 2021-06-29

The native bootloader seems to be good enough for many applicaitons when launched from the user application code with flash access protected. (Given enough enough investment, most patterns in flash could be cloned, so one's IP security should not be...

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USART BOOTLOADER launched from user application & flash has readout protection set, how can USART BOOTLOADER load new code to flash?

STM32F100 launching UART bootloader from application

Re: USART BOOTLOADER launched from user application & flash has readout protection set, how can USART BOOTLOADER load new code to flash?

Re: USART BOOTLOADER launched from user application & flash has readout protection set, how can USART BOOTLOADER load new code to flash?