HDMI TX Subsystem Flow - 3.2 English

HDMI 1.4/2.0 Transmitter Subsystem Product Guide (PG235)

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3.2 English

The HDMI 1.4/2.0 TX Subsystem in general responds to the following two events:

  • Hot-plug signal (HPD) from the sink device
  • Software user application to indicate a change of video stream (for example, change of video resolution)

The main program flow is shown in the following figure. At execution, the software application initializes the HDMI 1.4/2.0 TX Subsystem IP and registers the callback functions in the provided hooks.

Figure 1. TX Flow