STM32 MCUs Security

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Resolved! Serial DFU of Secure Firmware Fails

I'm attempting to use the serial bootloader to load a secure firmware image to an STM32L5 using STM32CubeProgrammer. I can successfully connect to the board in bootloader mode and perform a full-chip erase, but attempting to download the image (eithe...

MBand.3 by Associate III
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SBSFU - Improve boot time not working

Hi,When I have a look at the AN5056(https://www.st.com/resource/en/application_note/dm00414677-integration-guide-for-the-xcubesbsfu-stm32cube-expansion-package-stmicroelectronics.pdf), there is a possibility on page 39 to improve the boot time. That ...

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STsch.1 by Associate III
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  • 2 replies
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Resolved! HardFault when transfer control from BL to APP

Hi,Device - STM32H7B3I-DKProject - STM32H7B3I-DK\Applications\2_Images_ExtFlashHardFault when transfer control from BL to APP1) Last trace of codelaunch_application: /****************************************************** * return from exception to a...

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Grogu by Associate III
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SBSFU - STM32H755 Optimization Problem

I'm working on a project with SBSFU implemented on STM32H755. I'm using slot 1 for CM7 and slot 2 for CM4. I'm using the IAR workbench. Both CM4 and CM7 hex files work just fine in debug mode and everything seems to work with SBSFU implementation. Bu...

YChen.16 by Associate
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  • 1 replies
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Not able to start time 7 as interrupt in bootloader

I am using STM32L562-DK for my development, I am using SBSFU.In bootloader, I want to use timer 7 as an interrupt. I am configuring it as followingTIM_HandleTypeDef    htim7;void TIM7_IRQHandler(void){ /* USER CODE BEGIN TIM6_IRQn 0 */ /* USER CODE E...

PYada.1 by Associate III
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  • 14 replies
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Resolved! Some questions regarding the SBSFU loader

I couldn't find any clear explanation for the term loader on an5056 and um2262.Maybe it is so obvious for others but unfortunately not for me:\ So here is my questions regarding loader and appreciate you helping me understand it well.What is the load...