DisplayPort

What is DisplayPort? It's a new digital display standard. It started hitting the market in It's a new digital display standard. It started hitting the market in It's compared very closely to HDMI because of its looks and ability to transport video and audio signals which current computer display interfaces can’t do. It's compared very closely to HDMI because of its looks and ability to transport video and audio signals which current computer display interfaces can’t do. It supports both external (box-to-box) and internal (Chip- to-Chip) display connections It supports both external (box-to-box) and internal (Chip- to-Chip) display connections is royalty free unlike its competitor HDMI. HDMI currently has a $0.04 per device royalty and charges large manufacturers have a $10,000 annual fee. is royalty free unlike its competitor HDMI. HDMI currently has a $0.04 per device royalty and charges large manufacturers have a $10,000 annual fee.

Video Interfaces DisplayPort can replace all of the following interfaces DisplayPort can replace all of the following interfaces - DVI (Digital Visual Interface) - LVDS (Low-Voltage Differential Signaling) - HDMI (High Definition Multimedia Interface) - VGA (Video Graphics Array)

Comparing Digital Interfaces

Why DisplayPort? A standard interface for PC and Consumer electronics A standard interface for PC and Consumer electronics Capable of delivering high quality video and audio Capable of delivering high quality video and audio Simplify cabling for internal and external devices Simplify cabling for internal and external devices Apply an embedded clock to reduce EMI susceptibility and wire count Apply an embedded clock to reduce EMI susceptibility and wire count Open and royalty free standard Open and royalty free standard

High Level Overview

Pinout

Current Features (v1.1a) Micro-packet architecture Micro-packet architecture 1.6 or 2.7 Gbit/sec per data pair 1.6 or 2.7 Gbit/sec per data pair Use 1, 2, or 4 pairs depending on bandwidth needed Use 1, 2, or 4 pairs depending on bandwidth needed Native fiber optic cabling Native fiber optic cabling Supports DPCP and HDCP copy protection schemes Supports DPCP and HDCP copy protection schemes

Upcoming Features (v 1.2) Doubles maximum pair bandwidth to 5.4Gbit/sec (4 pairs = 21.6 Gbit/sec) Doubles maximum pair bandwidth to 5.4Gbit/sec (4 pairs = 21.6 Gbit/sec) Enough bandwidth to support 3840 x 2160 at 30 bits/pixel Enough bandwidth to support 3840 x 2160 at 30 bits/pixel Monitor chaining Monitor chaining Stereoscopic 3D at up to 1920 x 1080 Stereoscopic 3D at up to 1920 x 1080 DirectDrive Displays DirectDrive Displays

Upcoming Features (v 1.2) Increased Auxiliary Channel bandwidth, enabling USB pass through Increased Auxiliary Channel bandwidth, enabling USB pass through Incorporation of Apple's Mini DisplayPort into standard Incorporation of Apple's Mini DisplayPort into standard

References Comparing Digital Interfaces Chart Comparing Digital Interfaces Chart splay-formats-technology/vesa- displayport-standard- v1.0/displayportdvihdmicompared.gif splay-formats-technology/vesa- displayport-standard- v1.0/displayportdvihdmicompared.gif splay-formats-technology/vesa- displayport-standard- v1.0/displayportdvihdmicompared.gif splay-formats-technology/vesa- displayport-standard- v1.0/displayportdvihdmicompared.gif Version 1.1a Specification, Figure 1-1, and Pinout Version 1.1a Specification, Figure 1-1, and Pinout docid/ /view/DportV1.1a.pdf docid/ /view/DportV1.1a.pdf docid/ /view/DportV1.1a.pdf docid/ /view/DportV1.1a.pdf Version 1.2 and Mini DisplayPort image Version 1.2 and Mini DisplayPort image pg pg pg pg playport_1dot2_basics/ playport_1dot2_basics/ playport_1dot2_basics/ playport_1dot2_basics/