STM32 MCUs Security

Hi, After multiple tries of connecting STM32G031 MCU on target board with ST-link v2 using STMCubeProgrammer IDE, at one instant found an error window as pasted below. If in case TrustZone is enabled on this, is there a way out to erase the MCU?

STM32G031K6 - self-locking procedure and cannot reach MCU anymore through SWD

Hello, Having an issue with STM32G031K6Ux MCU. Below added function that checks Options bytes, and if needed - makes changes (power re-cycle is needed after it).This function CheckOptionBytes() works OK on several MCU's. But on this MCU we have an is...

SBSFU_V2.6.0 compiler fail fail based on IAR

Hi ,I have to use IAR IDE to develop SBSFU function , But I found that after "2_Images_SECoreBin" compiler success, I try to compiler "2_Images_SBSFU" as below picture. It's seem show post build fail.Dose anyone find this issue and some suggest? (but...

STM32G070KB with RDP set to level 1 with J-Flash kills the device.

Hi!Can someone explain to me why this code:// Is FLASH_CR register locked for writing? if (FLASH->CR & FLASH_CR_LOCK) { // Unlocking FLASH_CR register FLASH->KEYR = KEY1; FLASH->KEYR = KEY2; }   // Unlocking FLASH option register if (FLASH->CR & F...

Pre-Image Processing for Sample User App with "2_Image" variant of SBSFU v2.5.0

Hi I am trying to get the the SBSFU v 2.5.0 package to work on NUCLEO-G071RB I am getting the following error after the compilation of the User App and during the preimage execution step (this is all occurring within CUBE-IDE):  ---------------------...

Different PCROP data between ST-Link and ST-Bootloader

Hello,with a new never programmed stm32g031 chip I get different values for PCROP if the same chip is read with ST-LINK or with bootloader+UART.The CubeProgrammer version is 2.7.0Which is the reason for that?Thank you

Error when jumping to user app

Hello everyoneSo I've managed to adapt and build my custom user app. Flashed it into the device.But it fails on startup somewhere between gpio and timers initializations in main().Console shows the following text:= [TEST] write 8 bytes @ Isolated cod...