General Checks - 3.2 English

HDMI 1.4/2.0 Transmitter Subsystem Product Guide (PG235)

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3.2 English
  • Ensure that all the timing constraints and all other constraints were met during implementation.
  • Ensure that all clock sources are active and clean.
  • If using MMCMs in the design, ensure that all MMCMs have obtained lock by monitoring the locked port.
  • If your outputs go to 0, check your licensing.
    • User LEDs (KC705/KCU105/ZC706/ZCU102/ZCU104/ZCU106/VCU118/VCK190/VMK180)
    • LED0 - HDMI 1.4/2.0 TX Subsystem lock (when the HDMI Example Design is used)
    • Use the debug port to check if there are link data driven to the Video PHY Controller .
    • See the Debugging Appendix in the Video PHY Controller LogiCORE IP Product Guide (PG230) / HDMI GT Controller LogiCORE IP Product Guide (PG334) , and ensure there is no problem with clocking.
    Important: If you observe any issues, test the same design on more than one HDMI sink to ensure that the issue observed is not specific to one particular sink model.