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Copying/Programming EPM7064 and EPM7160

Altera_Forum
Honored Contributor II
‎07-05-2010 08:24 AM
2,528 Views

Hope someone can help me here.  

I am attempting to copy a set of PLD's ... EPM7064LC44-15, EPM7064LC68-15, EPM7064LC84-15 and EPM7160ELC84-15.  

 

I am using a Dataman 48XP programmer + adaptors to read the contents of the source chips. Although I seem to be able to read the chips ok (and it looks like they are not protected as I can see data), they chips were marked with a checksum, however the checksum marked on them does not match the checksum I get from the Dataman (not even similar in any way). Now I think this may be due to the fact that checksums may be computed differently .... does anyone agree ?. 

Also I note that the EEprom range read by the programmer is 000 -- EF2 hex ... can anyone confirm this is the correct range ? 

 

Your help is much appreciated:)
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