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Altera_Forum
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18 years ago

Error: Can't access JTAG chain Error: Operation failed

Dear all, i have a custom board, with stratix II, and Cyclone II, till today i dont have any problem in downloading code, and debug with JTAG port, but today i got "Error: Can't acces...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

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Same problem here, but My board is Altera Cyclone EP1C12Q240C8. Any help appreciated..

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i have the same problem with you.

i have two board that can't access JTAG chain when i try to program it.

what will be the problem??

my ics are ep1c12q240c8 and ep2c5q208cn.