Writing Key in OP Byte

bsuthar · ‎2025-10-17

Hello Team,

I want to store encryption Key - 4 byte into Option Byte OR any other memory Except in-built Flash Memory.

Is it possible to write in Option Memory ?

If not what could be the other option ?

mƎALLEm · ‎2025-10-28

Hello,

Note you should not accept your post as solution but the post that answered your question/solved your problem unless you posted the solution you found yourself.

Thank you.

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bsuthar · ‎2025-10-29

Oh , Okay.

I was not aware about that.

Tell me if I can reverese it ?

mƎALLEm · ‎2025-10-29

@bsuthar wrote:

Oh , Okay.

I was not aware about that.

Tell me if I can reverese it ?

That's OK now :)

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.