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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...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Hi babaship

Did you find a solution to this problem - I have the same problem. Boards that have worked for ages suddenly stop talking to the USB-Blaster. The boards seem to work otherwise but won't communicate via JTAG.

Cheers

batfink