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Altera_Forum
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14 years ago

Arria II GX JTAG Configuration Failure

Our JTAG interface has failed on multiple boards during bring-up. We would load .sof and .jic files several times successfully. Then, after a few days the programmer would fail to load the .sof or ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Just encountered the same problem in our two Arria II GX boards. The interesting thins is that we have downloaded program via AS every time before the problem happens. However we did not enable any security feature or key in it. And JTAG debug tools report jtag works however usercode is 0x000000000.