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Altera_Forum's avatar
Altera_Forum
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16 years ago

FPGA Configuration Problem

A strange one here. I'm trying to power up a Cyclone III EP3C10 in active serial mode, and even before the device tries to access the PROM it drives all I/O pins low and does not make any attempt at...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Yes, the hidden ground pad just needed to be grounded. The board is now powering up normally.

That pad should really be listed as a pin in the pinout document, not as a footnote. It seems to be rather important.