Error: ST-LINK error (DEV_TARGET_NOT_HALTED)

[Isko]

While trying to disable TZEN on a NUCLEO-WBA52CG boar after running the GPIO_IOToggle_TrustZone Example an both LEDs working as expected i encountered the error Error: ST-LINK error (DEV_TARGET_NOT_HALTED)
after switching from RP Level 1 to RP Level 0 and deactivating the TZEN Option bit

[STTwo-32]

Hello @Isko 

I suggest you take a look at this post. It should be helpful.

Best Regards.

STTwo-32

[Isko]

Hello @STTwo-32 

can you explain to me how the process works and what exactly i nee to do

regards 

Isko

 

[STTwo-32]

I suggest you take a look at the part 3.7 of the DS14127 and the RM0493. They should be helpful.

Best regards.

STTwo-32