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empissas's avatar
empissas
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4 years ago

ARRIA 10 Bidir GPIO Synthesis error

Hi , I try to instantiate a tri-state buffer using the GPIO IP CORE . Although i assume that i had made all the connection correct the synthesis stage outcomes this error Error(17044): Illeg...
sstrell's avatar
sstrell
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4 years ago

Strange. Anything unusual about the pin you selected for this in Pin Planner?

  • empissas's avatar
    empissas
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    4 years ago

    No, nothing unusual. I assume that the pad_io signal has to be assigned an inout top level pin in order to connect to the pad . Is that right?

    • sstrell's avatar
      sstrell
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      4 years ago

      I believe so. Does it show as bidirectional in the Pin Planner All Pins list?

      Oh, since you can't synthesize, you might not even be able to do that. Hmm.

      Is the first stage of synthesis, Analysis & Elaboration, successful if you run it on its own?