DocID026512 Rev 1

3/11

AN4540

MHL link

11

1

MHL link

This link is based on a single high-speed differential pair (TMDS). It carries out a CBUS, a

single wire control bus replacing DDC bus, and VBUS power supply (Figure 1).

Figure 1. MHL block diagram

MHL 2.0 maximum data rate is 3 Gbps and goes up to 6 Gbps in the latest version (3.0).

The clock is embedded in common mode up to 75 MHz for 1080 p/ 60 Hz video resolution.

The connector is µUSB standard (Figure 2).

Figure 2. MHL connector

Figure 3 describes signals found on the link.