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EEren's avatar
EEren
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

SignalTap problem.

FPGA (MAX10) connected to a microcontroller board. If I disconnect the board SignalTap runs good. If I connect the board back - SignalTap starts and immediately writes - Invalid JTAG configuration. ...
EEren's avatar
EEren
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

The problem was CFG_DONE pin. It was connected to CPU pin configured as output. I don't know why but this pin affects Signal Tap flow.

  • ShafiqY_Intel's avatar
    ShafiqY_Intel
    Icon for Frequent Contributor rankFrequent Contributor
    5 years ago

    Hi EEren,

    Have you able to solve this CFG_DONE pin issue?

    Any solution you can share to community here?

    Thanks

    • EEren's avatar
      EEren
      Icon for Occasional Contributor rankOccasional Contributor
      5 years ago

      I just configured this pin as input on the CPU side.