HDR Exit Pattern

Once an HDR mode is entered, the Controller uses the HDR Exit Pattern to leave it, always exiting back to SDR mode. The same HDR Exit Pattern is used to exit all HDR modes. The Target module can detect this pattern, following which it starts monitoring SDR traffic on the I3C bus again.

As an alternative to the HDR Exit Pattern, the HDR Restart Pattern allows multiple messages to be sent while in HDR mode without needing to exit to SDR mode in between messages. The Target module on this device cannot detect HDR Restart Pattern because it does not support any HDR modes.

The HDR Exit Pattern is shown in Figure 1 and Figure 2 and is defined as follows:

Figure 1. HDR Exit Pattern
Figure 2. HDR Exit Pattern with Stop