Audio AXI4-Stream Interface - 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
Table 1. Audio AXI4-Stream Interface Ports
Signal Name I/O Description
s_axis_audio_ingress_aclk I AXI4-Stream clock.
s_axis_audio_ingress_aresetn I Active-Low reset.
s_axis_audio_ingress_tdata[31:0] I

AXI4-Stream data input.

  • [3:0] – Preamble Code
    • 4'b0001: Subframe1/ Start of audio block
    • 4'b0010: Subframe 1
    • 4’b0011: Subframe 2
  • [27:4] – Audio Sample Word
  • [28] – Validity Bit (V)
  • [29] – User Bit (U)
  • [30] – Channel Status (C)
  • [31] – Parity (P)
s_axis_audio_ingress_tid[7:0] I
  • [3:0] – Audio Channel ID
  • [7:4] – Audio Packet Stream ID
s_axis_audio_ingress_tvalid I Valid indicator for audio data from master.
s_axis_audio_ingress_tready O Ready indicator from DisplayPort source.