Audio Clocking (Recommendation) - 3.0 English

DisplayPort 1.4 TX Subsystem Product Guide (PG299)

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3.0 English

The system should have a clock generator (preferably programmable) to generate 512 × fs (Audio Sample Rate) clock frequency. The same clock (aud_clk) is used by the DisplayPort Source device to calculate MAUD and NAUD when running in asynchronous clocking mode.

Figure 1. Audio Clocking for Source
Note: This should be > 512 × fs