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Altera_Forum
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12 years ago

Cyclone IV (EP4CE15E22C7N): CONF_DONE pin failed to go high in device 1

Hello everyone I designed my first PCB with a Cyclone IV FPGA. Unfortunately, I can't configure the device. Here's the log: --- Quote Start --- Info (209060): Started Prog...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

The package for this part has a ground tab (see this picture on the Digikey site):

http://media.digikey.com/renders/altera%20renders/ds-144eqfp-1_2.jpg

Others that have posted a similar question to yours failed to attached the ground tab to ground. Because your schematic symbol does not show the ground pin numbers, its not possible to determine if that is your issue.

Cheers,

Dave