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Use of back door access

Question asked by gonmk on May 27, 2013
Latest reply on Jun 3, 2013 by gonmk

Hello, I'm working with the MCF52233. I had secured the flash ( 4ac8 in position 0x414 ) and then i tried to write data without unsecuring temporally the flash. I sorprised when i realised the flash was written successfully.  I read all the info about the Back door access  in the data sheet but i don't continue understanding what is the back door access used for.

 

Does anybody know what is the back door access used for?

 

thanks in advice.

Gonzalo

 

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