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After I change option byte on stlink, swd (stlink) is not connected.

togsin
Associate III

‎2020-03-03 11:05 PM

Dear all~

After I change option byte on stlink, swd (stlink) is not connected.

read out protection : level 2 , BOR Level : level 3

0690X00000DYc1RQAT.png

After not connect. pop up

0690X00000DYc1bQAD.png​

Let me know how to recover option byte.

​

Thanks​

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