ATMega8A and flash ROMs 27xx,29xxx

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How   to create on ATMega8A  reader and flasher of  ROMs 2708-271024,  AT29Cxxx?

( See examples,circuits and templates in attach Photo0069.jpg  

How to rebuild and add subs for flashing ROMs M2708,M2716,M2732,M2764,M27128,M27256,M27512,M271024 and AT27xxx analogs?

How to add support of burning   556RT7/ RT4 / 155RE3 (with  burning  fuses, burn only 1 bit with   '1'   ) roms ?

 

Projects of circuit for nGVPP,Vpp1 ,nCS/PE,  nG ,nE, nP , WR/nRD (Photo0095.jpg) ; Vppon Vpp switching  (Photo0102.jpg)  (may be with bugs ), projects of connection  boards boards    (some bugs are not fixed ) are in attach .

 

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Last Edited: Sat. Mar 10, 2018 - 04:55 AM
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How to modify program for writing ROMs for this circuit?

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How to create adapters for flashing ROMs 2708,573RF1,RF2,2716,2732,2764,27128,27256,27512 ,271024, AT29Cxxx?

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Examples of     topology of board for experience are in attach .

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Stop spamming this forum.

 

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