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Altera_Forum's avatar
Altera_Forum
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12 years ago

Bad EPM7064LC68

Greetings to All, In the course of repairing 2 boards, one of the EPM7064LC68 (PLCC) was found to be defective. So the solution is to copy the other good chip and program a new chip. I have ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The USB Blaster or compatible (terasic makes a $50 compatible device) can program the CPLD's.

http://www.terasic.com.tw/cgi-bin/page/archive.pl?language=english&categoryno=74

However, how hard/easy it's going to be depends on if the security bit was set when the CPLD was programmed.

If it was not, you should be able to read the configuration out, and program it to the new device with no problem.

If it was set, you need to have the original programming file, or you are out of luck.

Pete