How to recover STM32L562E-DK
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‎2021-06-03 11:56 PM
Hi,
My setting is "TZEN=1", "RDP=1", "nSWBOOT0=0","nBOOT0=1".
I can't use it anymore, please tell me how to regression the TZEN to 0 and RDP to 0.
Thanks,
QiZhang
Solved! Go to Solution.
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RDP
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STM32L5 Series
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‎2021-06-04 1:13 AM
Hello @zqizh.1​ ,
Have a look at this STM32 wiki article How to disable TrustZone in STM32L5xx devices during development phase
Hope this helps you ! =)
When your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.
Imen
Thanks
Imen
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‎2021-06-04 1:13 AM
Hello @zqizh.1​ ,
Have a look at this STM32 wiki article How to disable TrustZone in STM32L5xx devices during development phase
Hope this helps you ! =)
When your question is answered, please close this topic by choosing Select as Best. This will help other users find that answer faster.
Imen
Thanks
Imen
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‎2021-06-28 6:06 PM
Hello @Imen DAHMEN​
Referring to the statement in the wiki article mentioned "If the boot is based on the nBOOT0 option bit, it is no longer possible to program the option bytes, and hence not possible to boot from RSS. It is therefore not possible to do regression.", so there is no way to recovered the Board if there is no secure application in MCU Flash to call non-secure application and the respond from the cmd line is that the core is locked. Or there is a hard way to recover the board?
Thanks,
Ivan
