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MLars19's avatar
MLars19
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22 days ago

Cyclon 5 tampering protection bit

I have a cyclone V with an AS scheme. I have generated an key-file (ekp) with tampering protection bit set according to AN556 Then I open it in the programmer programmer and generate a jam-file no...
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MLars19's avatar
MLars19
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16 days ago

Well
I can't write the protection bit afterwards. 

How can I do it without the quartus_jli attempting to write the kay as well, now I get this error message

Error - Non-volatile key programming already attempted on device 1
Exit code = 10... Device programming failure

Farabi_Altera's avatar
Farabi_Altera
Icon for Regular Contributor rankRegular Contributor
2 days ago

Hello, 

 

Do you have further question?