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FvM's avatar
FvM
Icon for Super Contributor rankSuper Contributor
3 years ago
Solved

Cyclone 10 GX - Critical warning for unused XCVR channels

Hello, In Cyclone 10 GX, Quartus Prime Pro 22.4, I get critical warnings for unused XCVR RX and TX pins. Critical Warning(17951): There are 4 unused RX channels in the design. Info(19540): ...
Hdl
  • FvM's avatar
    FvM
    3 years ago

    Hello,
    I found the solution by inspecting the configuration of Cyclone 10GX Devkit example project. The expected setting is

    set_global_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON

    rather than multiple


    set_global_assignment -name PRESERVE_UNUSED_XCVR_CHANNEL ON -to <pin_name>

    Regards,
    Frank

ZiYing_Intel's avatar
ZiYing_Intel
Icon for Frequent Contributor rankFrequent Contributor
3 years ago

Hi Frank,


Since your issue has been resolved, I am now close the case. If you have any question after the case closed, please do feel free to submit another issue.


Best regards,

Zi Ying