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Altera_Forum's avatar
Altera_Forum
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7 years ago

DE0 NANO SoC rev.B Can't access JTAG chain

As per the title, when I try programming the device I started lately to get the following error: Error (209040): Can't access JTAG chain Error (209015): Can't configure device. Expected JTAG ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

I tried to program the example many times (i haven't counted but at least 10) ant the problem is definitively related to the project

Also with further investigation the culprit seems to be the indeed the qsf file, by replacing it with a known good one ( one from a newly created project) the problem goes away

I still don't know how that file got corrupted, I'm suspecting it has to do with SignalTap