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Altera_Forum
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17 years ago

Error:Cant access JTAG chain..help!

When i try to program the cpld i get this error error: can't access jtag chain error: operation failed. I am using a MAX2 CPLD.I would be able to program it a few months ago with no problem b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

There is a JTAG debug option in Quartus Programmer, it can be used to trace the JTAG signals down to the device pins, checking for any broken connection.