I'm working on two projects, one with the DE0-Nano and Stratix iv GT boards. My project is to make a duobinary signal with the two boards. I was able to do so with the DE-Nano fairly easily, but I'm having trouble doing it with the Stratix iv board. I was told not to use the transceivers on the board, but instead use the general purpose user I/O header field because they act similar to the GPIO pins in the Nano. However, I see them all labeled only as J25 and not individually so I'm not able to make the correct pin assignments in the pin assignment editor. I need to activate two of those pins so I can connect them to a circuit I made and test the signal. Help is appreciated
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