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Getting Readout Protection Enabled (-16) when trying to connect to a Boot Loader device

MSSloan1962
Associate II

‎2025-12-02 3:35 AM

I assume RDP means Readout Protection. Is there any means for disabling it programmatically with C#? How would it get enabled? I'm pretty sure I'm not enabling it with my program. I tried "–ob rdp=0x0" but got a -1 result, meaning Not Connected. So I'm in a situation where I can't connect because I'm getting -16 (RDP enabled) and I can't disable RDP because I'm not connected

 
 
 
 
 
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TDK
Super User

‎2025-12-02 5:52 AM

RDP level 1 typically also requires a full erase at the same time. See the reference manual for the device you are working with. Yes, it can be done with STM32CubeProgrammer CLI.

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