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stm32w108 read out protection

Question asked by Takis Beskos on Jun 21, 2017

I tried to enable the read out protection on a stm32w108 using stm32 stlink utility. The problem is that the process fails, and I end up having three locked full erased chips. The option byte reports that rdp is enabled, despite the fact that the process failed. I cannot program it, nor change the option byte again. It fails every time.

 

Is there any way to make the mcus functional again ?

Is there any other (better) way to avoid someone reading my mcu ?

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