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Givy's avatar
Givy
Icon for New Contributor rankNew Contributor
5 years ago

All FPGA pins are driven low

When I apply voltage to the board with cyclone 4, all pins, including config_done, nstatus, and so on, are outputing zero. I have already encountered this problem a couple of times, but it was solved when I pressed on some part of the board. Most likely it is a bad via between the two sides. I want to find this spot and manually wire the tracks to end this problem. I want to know which pin is causing this problem.

1 Reply

  • Ash_R_Altera's avatar
    Ash_R_Altera
    Icon for Regular Contributor rankRegular Contributor
    4 years ago

    Not sure if you are still looking for the support.

    You may want to check the soldering of the pins. It is difficult to say about which pin causing issue with the description provided.


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