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G070 programming issue?

sg1
Associate

‎2021-02-11 04:40 PM

Hi,

Have a code that modifies the option bytes on G0 micro which seems bricks the IC from further programming attempts aka device locks itself.

Did anyone face a similar issue with G070?

What are the solutions to make the programming process robust and avoid bricking of G070?

Pls help.

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3 REPLIES 3
KnarfB
Principal III

‎2021-02-11 10:32 PM

I'm not aware of of option byte correction code "As a safety mechanism and recommended by ST". Just curious: do you have some pointers on that.

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sg1
Associate

‎2021-02-12 06:44 AM

Not recommended by ST ... but a safety mechanism I wanted to have. Sorry for misquoting.

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KnarfB
Principal III

‎2021-02-12 07:44 AM

If this is the case, I wouldn't try to refresh the option bytes after initial factory programming. Each erase/program can be potentially harmful if the power breaks down for example.

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