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STM32F103 BluePill (dap42 CMSIS-DAPv2) detects, but cannot connect to target STM32F303: "Error connecting DP: cannot read IDR" #32

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STM32F103 BluePill (dap42 CMSIS-DAPv2) detects, but cannot connect to target STM32F303: "Error connecting DP: cannot read IDR"#32

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@ShreyAcharya
ShreyAcharya
opened on Feb 11, 2026

I’m getting this while trying to connect to the target:

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