STM32 MCUs Security

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Implementation of TFM_SBSFU on STM32U585

Hi All,i have downloaded the STM32U585 firmware package from the official sources and want to implement the TFM SBSFU program code into my development board(U585-IOT2A) using STM32 Cube IDE. The user manual mentions installation not possible using Cu...

PJose.4 by Senior
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Random activation of readout protection on L4

The question below refers to L452.I encounter once in a while a random activation of the readout protection.I suspect the code that disables the watchdog operation before switching to STOP mode (as it updates the user option bytes).Can this affect th...

ABlum.1 by Associate
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  • 1 replies
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STM32WB35 - Can't write or read flash memory (J-Link)

Hello, I'm a bit stuck and I am not sure what to do so I am asking for your help.Here is the problem :I have a custom board with a STM32WB35 that was working fine for a while. But after multiple (incomplete) boot when I was soldering the battery to m...

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EJean.1 by Associate II
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  • 5 replies
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Resolved! How can i Disable Trustzone in stm32L5?

i am enable trust zone and I make one part as secure world and another part as a non secure world using (SECWM1, SECWM2) but forget to enable Dbank as (Dbank = 1) now I couldn't make any changes in option bytesmy question is1.how can I enable dual b...

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jk.1 by Associate II
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  • 1 replies
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