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Displayport 1.2 spec pdf Continue Digital Display Interface DisplayPort Type Digital Audio/Video Connector Production HistoryDesigner VESADesigned May 2006Manufacturer VariousProduced 2008-presentSupersed DVI, VGA, SCART, RGB ComponentSupersed by NoneGeneral specsLength Various connected YesExternal YesAudio Signal Optional; 1-8 channels, 16 or 24-bit linear PCM; Sampling speed of 32-192 kHz; Maximum bitrate 36,864 kbps (4608 kB/s) Video signal Optional, maximum resolution is limited to available bandwidth Of 20 pins for external connectors on desktop computers, laptops, graphics cards, monitors, etc. and 30/20 pins for internal connections between graph engines and flat panels. Electric Senal No.3.3 VMax. 16.0 VMax. Current signal 0.5 ADataData YesBitrate 1.62, 2.7, 5.4, 8.1, or 20 Gbit/s bandwidth rate; 1, 2 or 4 lanes; (effective total of 5.184, 8.64, 17.28, 25.92, or 77.37 Gbit/s for a four-lane connection); 2 or 720 Mbps (effectively 1 or 576 Mbps) for the auxiliary channel. Micro-packetPin out External connector (source-side) on PCBPin 1 ML_Lane 0 (p) Lane 0 (positive) Pin 2 GND GroundPin 3 ML_Lane 0 (n) Lane 0 (negative) Pin 4 ML_Lane 1 (p) Lane 1 (p) positive) Pin 5 GND GroundPin 6 ML_Lane 1 (n) Lane 1 (negative) Pin 7 ML_Lane 2 (p) Lane 2 (positive) Pin 8 GND GroundPin 9 ML_Lane 2 (n) Lane 2 (negative) Pin 10 ML_Lane ML_Lane 3 (3 (positive) (p) Lane 3 (positive)Pin 11 GND GroundPin 12 ML_Lane 3 (n) Lane 3 (negative) Pin 13 CONFIG1 Land-Connected b'Pin 14 CONFIG2 Connected to Land b'Pin 15 AUX CH (p) Auxiliary Channel (positive)Pin 16 GND GroundPin 17 AUX CH (n) Auxiliary Channel (negative)Pin 18 Hot Fork Hot Fork detectPin 19 Return for powerPin 20 DP_PWR Power for connector (3.3 V 500 mA) g h This pinout for the side connector source , the pinout of the sink-side connector will have 0'3 lanes reverse in order; i.e. band 3 will be on contact 1 (n) and 3(p), while band 0 will be on contact 10(n) and 12 (p). B Pins 13 and 14 can be either directly connected to the ground or connected to the ground using a retractable device. The DisplayPort A Mini DisplayPort receptacle (centre) with Thunderbolt 3 port (left) and power input (right) DisplayPort (DP) is a digital display interface developed by a consortium of PC and chip manufacturers and standardized by the Video Electronics Standards Association (VESA). The interface is mainly used to connect the video source to a display device, such as a computer monitor, and it can also carry audio, USB and other forms of data. DisplayPort was designed to replace VGA, FPD-Link and digital visual interface (DVI). The back interface is compatible with others such as HDMI and DVI, using active or passive adapters. DisplayPort review is the first display interface to rely on packaged data, a form of digital digital in technologies such as Ethernet, USB and PCI Express. This allows the use of internal and external display connections, and unlike outdated standards that transmit an hour-long signal with each output, the DisplayPort protocol is based on small data packets known as micro-packs that can insert a clock signal into the data stream. This allows you to get a higher resolution using fewer contacts. Using data packets also makes DisplayPort possible to be exuding, which means that additional features can be added over time without significant changes to the physical interface. DisplayPort can be used to transmit audio and video at the same time, although each one is optional and can be streamed without the other. The path of the video signal can range from six to sixteen bits per color channel, and the audio path can have up to eight channels of 24-bit, 192 kHz PCM audio that is not compressed. A two-direction, semi-duplex support channel carries device management and device management data for the main link, such as VESA EDID, MCCS, and DPMS standards. In addition, the interface is capable of carrying two-direction USB signals. DisplayPort uses an LVDS signal protocol that is not compatible with DVI or HDMI. However, dual-mode Ports DisplayPort are designed to transmit the DVI or HDMI protocol with a single link (TMDS) through the interface using an external passive adapter. This adapter provides compatibility mode and converts the signal from 3.3 volts to 5 volts. Analog VGA/YPbPr and two-edge DVI require an active powered adapter for compatibility and does not rely on dual mode. Active VGA adapters are powered directly by the DisplayPort connector, while active dual-link DVI adapters typically rely on an external power source such as USB. Versions 1.0 to 1.1 The first version, 1.0, was approved by VESA on May 3, 2006. Version 1.1 was ratified on April 2, 2007, and version 1.1a was ratified on January 11, 2008. DisplayPort 1.0-1.1a allows a maximum bandwidth of 10.8 Gbit/s (8.64 Gbit/s data speed) over the standard 4-band main link. DisplayPort cables up to 2 metres long are required to maintain a full capacity of 10.8 Gbps. DisplayPort 1.1 allows devices to implement alternative layers of communication, such as fiber optic, allowing for much longer reach between the source and the display without signal degradation, although alternative implementations are not standardized. It also includes HDCP in addition to DisplayPort Content Protection (DPCP). DisplayPort 1.1a is free to download from the VESA website. Version 1.2 DisplayPort 1.2 was introduced on January 7, 2010. The most significant improvement in the new version is the doubling of bandwidth up to 17.28 Gbps in High Bit Rate 2 (HBR2) mode, allowing you to increase resolution, higher upgrade speeds and greater color depth. Other improvements include yourself independent video streams (multi-stream transport) called Multi-Stream Transport, stereoscopic 3D tools, AUX bandwidth increase (from 1 Mbps to 720 Mbps), more color spaces including xvYCC, scRGB and Adobe RGB 1998, and Global Time Code (GTC) to synchronize audio/video. In addition, Apple Inc.'s Mini DisplayPort connector, which is much smaller and is designed for laptops and other smaller devices, is compatible with the new standard. Version 1.2a DisplayPort 1.2a was released in January 2013 and may additionally include adaptive VESA synchronization. AmD FreeSync uses DisplayPort Adaptive-Sync to work. FreeSync was first demonstrated at CES 2014 on the Toshiba Satellite laptop, using the Panel-Self-Refresh (PSR) feature from Embedded DisplayPort, and after an offer from AMD, VESA later adapted the Panel-Self-Refresh feature for use in standalone displays and added it as an additional feature of the main DisplayPort standard called Adaptive-Sync Because it is a non-binding feature, Adaptive-Sync support is not required for display to be DisplayPort 1.2a compatible. 1.3 Version 1.3 DisplayPort was approved on September 15, 2014. This standard increases the total transmission capacity to 32.4 Gbps with the new HBR3 mode from 8.1 Gbps per lane (according to 5.4 Gbps HBR2 in version 1.2), for total data bandwidth of 25.92 Gbit/s after factoring in 8b/10b encoding overheads. This bandwidth is enough for a 4K UHD display (3840 × 2160) at 120 Hz with 24 bits / px RGB colors, 5K display (5120 × 2880) at 60 Hz with 30 bits / px RGB color, or 8K UHD display (7680 × 4320) at 30Hz with 24 bits / px RGB color. Using Multi-Stream Transport (MST), DisplayPort can control two 4K UHD (3840 × 2160) displays at 60 Hz or up to four W'HXGA displays (2560 × 1600) at 60 Hz with a 24-bit/px RGB color. The new standard includes mandatory dual mode for DVI and HDMI adapters, introduction of HDMI 2.0 and HDCP 2.2 content protection. The Thunderbolt 3 connection standard was originally supposed to include DisplayPort 1.3, but the final release ended with only version 1.2. VeSA adaptive synchronization in 1.3 DisplayPort remains an additional part of the specification. Version 1.4 displayPort was published on March 1, 2016. The new transmission modes are not defined, so HBR3 (32.4 Gbit/s) presented in version 1.3 is still the most affordable mode. DisplayPort 1.4 adds support for compression display flow 1.2 (DSC), Correction errors forward, HDR10 metadata defined in CTA-861.3, including static and dynamic metadata and Rec color space. 2020, for HDMI compatibility, and maximum number of stationary audio channels of audio channels DSC is a visually no loss method of coding with a compression ratio of up to 3:1. Using HBR3 DSC, DisplayPort 1.4 can support 8K UHD (7680 × 4320) at 60Hz or 4K UHD (3840 × 2160) at 120 Hz with 30 bit/px RGB and HDR. 4K by 60 Hz 30 bits / px RGB/ HDR can be achieved without the need for DSC. On displays that do not support DSC, maximum limits remain unchanged from DisplayPort 1.3 (4K 120 Hz, 5K 60 Hz, 8K 30Hz). Version 1.4a DisplayPort 1.4a was published in April 2018. VESA has not made an official press release for this version. It updated the DSC DisplayPort implementation from DSC 1.2 to 1.2a. According to a roadmap published by VESA in September 2016, the new version of DisplayPort was to be launched in early 2017. This would improve the communication speed from 8.1 to 10.0 Gbps, which is 24% more.
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