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Altera_Forum's avatar
Altera_Forum
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15 years ago

Question for download to EPM3256ATC144 via JTAG

I want download program to EPM3256ATC144 via JTAG, use USB Blaster in QuartusII. But I found the following problem: 1) I could ERASE the CPLD successful. 2) "JTAG Chain Debugger" of QuartusII ch...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

If it all matches up then my guess is that you have some sort of noise issue affecting your jtag pins. Sorry I can't be more specific.