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Expected value for Option Byte "RDP": 0xBB, found: 0xAA

Niki_Nagar
Associate II

‎2024-08-21 11:42 PM

I am working on LoRa-E5 mini. When I try to erase the chip, I receive the error Error: Mass erase operation failed. Please verify flash protection. So I am trying to set RDP on level 0 to 1, but I am getting an Error: Expected value for Option Byte "RDP": 0xBB, found: 0xAA Error: Option Byte Programming failed or modified by application after OB_LAUNCH.

Any help would be greatly appreciated.

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2 REPLIES 2
STTwo-32
ST Employee

‎2024-08-22 12:03 AM

Hello @Niki_Nagar 

I've tested this on an STM32WL Nucleo board but I'm not able to reproduce your issue. I think that your post on the forum of our third-party should be helpful since it could be something related to the third-party implementation. Also, this post and others should be helpful

Best Regards.

STTwo-32

To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.

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Niki_Nagar
Associate II
In response to STTwo-32

‎2024-08-22 12:17 AM

Thank you @STTwo-32 

Can you tell me, what are the reasons why does it occur?

 

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