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Altera_Forum
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21 years ago

JTAG stop working

I don't know why the JTAG stoped working ... I'm using Microtronix's Cyclone EP1C20. When I try to upload to the board, I got these messages : - inside Nios SDK 5.0.1 Build: 86, u...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
20 years ago

Sometimes I run into this problem on my laptop. This seems to happen when I launch Quartus or Eclipse once with my USBblaster connected, then the next time I launch them without having it connected. Before I can use it the next time, I must open Quartus, select the Programmer (under tools), then go to the hardware setup option (top left) and reselect my USBblaster.

Hope this helps,

Doug