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Altera_Forum's avatar
Altera_Forum
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13 years ago

error CONF_DONE pin failed to go high : cyclone 4 evalboard

hi i am using the Cyclone IV GX FPGA Development Board. it has worked fine for the last few months but now when i try to download the sof file on the FPGA the prosses go to near 90% then i have th...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

See whats under the board!

Lately I had a board lying on top of an electrostatig shield bag which worked as a big GND-Layer shortcutting many pins to GND which prevented the CONF_DONE pin to go high.

Good Luck