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Altera_Forum
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13 years ago

DE1 Board LED lighting up with no discernible reason

Hey guys, I'm very new to FPGA and the DE1 board, I got one yesterday to use in a digital logic class. I'm trying to learn and program on it, and for the most part it's going really well, but I'm ha...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

By default, unused pins in the fpga are driven to output low during synthesis/pnr. The hex display in de1 is active low; thus all segments are lit up.