Transmit – Audio - Transmit – Audio - 2.1 English - PG199

DisplayPort 1.2 TX Subsystem LogiCORE IP Product Guide (PG199)

Document ID
PG199
Release Date
2024-12-11
Version
2.1 English

This section contains debugging steps for issues with audio communication.

  • Check if MAUD and NAUD registers are correctly programmed and aud_clk is calculated as expected to be 512 × fs.
  • Follow steps mentioned in Programming DisplayPort Source in Chapter 3.
  • Check if the TX_AUDIO_CHANNELS register value matches with the input audio samples sent
  • Check if the TX_AUDIO_INFO_DATA is correctly formatted as per CEA 861-C info frame specification.
  • Ensure all the inputs data bits of s_axis_audio_ingress_tdata and s_axis_audio_ingress_tid are correctly sent as per the format specified.