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VHou0's avatar
VHou0
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6 years ago

NIOS2 bidirectional IO port setting

Set an 8-bit bidirectional IO port as output mode in NIOS2 code, but only 4 bits (bit 0, 1 ,4 ,5)can output correctly, and the other 4 bits hold out state 0.

3 Replies

  • Ahmed_H_Intel1's avatar
    Ahmed_H_Intel1
    Icon for Frequent Contributor rankFrequent Contributor

    Hi,

    please check the top level connection first. you can share with us the top level connection and the assigned pins for these LEDs.

    Regards,

  • VHou0's avatar
    VHou0
    Icon for New Contributor rankNew Contributor

    Thanks you .I removed signaltap from the project, it works correctly.