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Altera_Forum
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14 years ago

DE2 Expansion Header Mystery

I recently received an Atera DE2 board with a Cyclone II FPGA. I have been experimenting with the expansion headers and I am having trouble understanding why my daughter card is not receiving any ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

You're confusing signal pins with power supply pin.

The expansion header has VCC 5V on pin 11, VCC 3.3V on pin 29 and GND on pins 12 and 30.

All other pins on the expansion header are signal pins. You can't power things from them.