A Product Line of

Diodes Incorporated

PI2DPX2063

8

July 2022

© 2022 Copyright Diodes Incorporated. All Rights Reserved.

PI2DPX2063

Document Number DS43839 Rev 2-2

www.diodes.com

D3 Power Saving Mode

Standby Mode

Active Mode

Power-up

Enter D3

Aux Cmd

HPD low

for >tHPD

HPD low

for >tHPD

HPD high

Aux link

training

started

Exit D3

Aux Cmd

Figure 2. DisplayPort Operation Modes

DisplayPort Main Link

The electrical sub-block of a DP Main-Link consists of up to four differential pairs. The DP TX drives doubly terminated, AC-coupled

differential pairs in a manner compliant with the Main-Link Transmitter electrical specification.

Table 2. Description of DP Operating Mode

PM_State

Mode

Description

1

Standby Mode

Low power consumption (AUX listener is OFF); Main Link outputs are disabled

2

Active Mode

Data transfer (normal operation);

AUX listener is active. The AUX listener is actively monitoring for Link Training unless it is

disabled through I2C interface. After power-up and in active mode, all Main Link outputs are

enabled. AUX Link Training is necessary to overwrite the DPCD registers to enable/disable

Main Link outputs.

3

D3 Power Saving Mode Low power consumption(AUX listener is active); Main Link outputs are disabled