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Altera_Forum
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14 years ago

output GPIO on DE2

Hello I m trying to use the output GPIO on the DE2 board and cannot even get the clock to output. I have pin one out of a breakout board running through a 1k and then to Comm. My code was imme...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Dave,

Thanks for your help. I checked my breakout board and it works and is labeled correctly I double checked the pin list and the schematics and it is correct. Still when I hold a multi-meter across the com and 00 or 01 and flip switch 1 I see no change in voltage. Is the pin floating? I cannot get anything from the pins. Am I using the wrong comms? are certain grounds only for certain pins? This is really confusing and frustrating. Are the pins sinking only? How should I go about checking them?

Thanks

Bill