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STM32H562 program the OBK file with trustzone disabled

Nluke.1
Associate II

We need to develop an offline programmer to program the STM32H562VIT. The product state need to be changed to Closed with an OBK file programmed. The OBK data only in HDPL1.

We can't simply use the RSS to program the OBK like STM32Cubeprogrammer. We could only write and read the flash registers by SWD.

When in OPEN state, we could program the OBK files successfully, then we change the state to provisioning and closed. But if we first change the state to Provisioning, then try to program the OBK data , the programming of OBK is always failed.

So our questions is how to program the OBK file  data when in Provisioning state for a third programmer?

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