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Altera_Forum
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8 years ago

Cyclone III Configuration Problem

I completed a design using a Cyclone III EP3C5F256C8N back in 2013. We have been shipping the board with no problems until now. The last batch of 50 boards we built all have the same problem, in whic...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
8 years ago

The CONF_DONE pin is only connected to the AVR. I thought the same thing so I lifted the AVR pin and the problem was still there. The resistance between CONF_DONE and GND is 10K.