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Altera_Forum's avatar
Altera_Forum
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14 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
14 years ago

Hi,

this indicates the JTAG interface being ok while there seems to be something defect with the configuration "part" or interfaces of the Cyclone... Last thing (while very unlikely to be the reason) may be the resistor being ok but not connected to VCCIO...

Well seems for me - if there are no other ideas - that the FPGA is really broken to whatever reason...