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extratcingg preprogrammed 8051 chip with fuse locked

mhemara fay

HELLO,

my name is mhemara fay. i have a q for you.

Anyone has successfully extracted a preprogrammed 8051 chip with fuse locked?
I want to retrieve the binary image from a programmed 8051 micro
any ideas?
Thanx

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  • 0 in reply to ImPer Westermark

    I once was tasked with recreating the code for a unit where the sourcde was lost (the factory burned and the i....s did not have off-site backup).
    I spent a lot of time with a disassembly and then realized that recreating the code from scratch is far faster than deciphering a disassembly. This is even worse if the original is in C.

    Erik

    PS the chips were not locked the recereate was to add a feature.

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  • 0 in reply to ImPer Westermark

    I once was tasked with recreating the code for a unit where the sourcde was lost (the factory burned and the i....s did not have off-site backup).
    I spent a lot of time with a disassembly and then realized that recreating the code from scratch is far faster than deciphering a disassembly. This is even worse if the original is in C.

    Erik

    PS the chips were not locked the recereate was to add a feature.

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