980 DP 1.4 Video Generator / Analyzer Module

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The Teledyne LeCroy quantumdata 980 DP 1.4 Video Generator / Analyzer module supports video, audio and protocol functional testing high-end DP HBR3 displays and optionally sources. The module supports HBR3 data rates including 1.62, 2.70, 5.40 & 8.10 Gbps on 1, 2 & 4 lanes on both its Tx ports and its Rx port. The module features a DisplayPort output for testing displays. The 980 DP 1.4 Video Generator / Analyzer module is equipped with all the standard video timings and test patterns necessary for testing modern displays. The module supports reading and verifying the EDID and DPCD registers of a display and now supports emulation of an Multi-Stream Transport (MST) source supporting up to three (3) downstream nodes. You can control the link training through a user friendly interface which enables you to force link training with user specified settings. The optional Auxiliary Channel Analyzer (ACA) utility enables you to view the link training transactions, EDID and HDCP exchanges, including HDCP 2.2, as well as the MST sideband messages.

The module includes an auxiliary board that will be offered as a future option for passively monitoring the DisplayPort aux channel transactions between a DisplayPort HBR3 source and sink using the familiar Auxiliary Channel Analyzer utility. The ability to passively monitor the aux channel transactions between a source and a display is invaluable in identifying the root cause of link training issues between two devices.

The DP module’s optional Rx analyzer port emulates a DisplayPort display device including EDID and DPCD emulation, Rx Link Training function and MST Rx function. The Basic analyzer option enables you to view the real time video, main link video parameters and the secondary data packets. A second analyzer option enables you to capture and store the incoming DisplayPort stream from a source for detailed analysis of the main stream protocol elements including the main stream attributes and secondary data elements.

The 980 DP 1.4 Video Generator module can be equipped in the following Quantum Data 980 Advanced Test Platforms:

  • 980B – 5-slot, 15″ touch display
  • 980R – 5-slot, rack-mountable with 7″ touch display

Overview

Features

Options

Specs

Specs

            Modelssss5

            Modelssss6

The quantumdata 980 DP 1.4 Video Generator / Analyzer module is equipped with all the standard video timings and test patterns for testing high end displays including tests for protocols such as HDCP and EDID.

You can configure the list of video format timings and test patterns using the Format List Editor and Image List Editor. This facilitates convenient and quick access during testing. The module provides a Format Editor for creating custom format timings or for quickly making modifications to existing timings for testing.

The 980 DP 1.4 Video Generator / Analyzer module offers a variety of features for testing DisplayPort protocols. You can control the module’s link training parameters through the user friendly 980 GUI Manager. You can set the limits on the lane count and link rate and allow the link training engine to establish link training based on those limitations or you can force link training parameters—lane count, link rate, voltage swing, pre-emphasis.

The 980 DP 1.4 Video Generator / Analyzer module offers a comprehensive solution for HDCP 2.2 compliance testing covering sources, sinks and repeaters.

The 980 DP 1.4 Video Generator / Analyzer module offers DisplayPort 1.2 Core Link Layer compliance testing for sink devices (displays).

The EDID Decode feature enables you to examine the contents of the EDID of the connected display in human readable text. The DPCD Decode feature enables you to examine the DPCD registers of the connected display in human readable text.

The optional Auxiliary Channel Analyzer (ACA) application enables you to monitor the DisplayPort Aux Channel for link training and HDCP transactions--versions 1.3 and 2.2--as well as EDID exchanges between the module and a connected display. You can monitor in real time through the 980B’s embedded touch display and save files for later viewing or for sharing with colleagues at other locations.

The 980 DP 1.4 Video Generator / Analyzer module can be controlled either through the PC-based 980 GUI Manager or through the embedded 980 GUI Manager running on the 980B itself. The 980B’s built-in color touch screen provides a graphical user interface (GUI) to control the instrument and to view incoming video and metadata in the Real Time mode when using the module’s optional analyzer feature available in subsequent releases.

The following are a list of features and benefits for the DisplayPort 1.4 Video Generator module. Refer to the Options tab for information on optional features.

Video Pattern Testing – Test a DisplayPort 1.4 display’s inputs with over 600 standard formats to ensure that it can render video test patterns including. Over 300 video patterns supported. Create your own custom formats using the user friendly Format Editor. Scroll bitmap patterns to test for motion artifacts. Create custom test pattern lists and custom format lists to facilitate testing.

Protocol Testing – The 980 DP 1.4 Video Generator / Analyzer module offers a variety of features for testing DisplayPort protocols. The module’s EDID Decode feature enables you to examine the EDID of the connected display in human readable text. The DPCD Decode feature enables you to examine the DPCD registers of the connected display in human readable text.

Link Training Configuration Utility – The link training control features enables you to configure the module’s link training parameters during testing. You can set limits on the lane count and link rate and allow the link training engine to establish link training based on those limitations or you can force link training parameters—lane count, link rate, voltage swing, pre-emphasis.

HDCP Testing – Verify a downstream DisplayPort display’s response to HDCP 1.3 or HDCP 2.2 authentication. View status of authentication and exchange of registers. Support also includes HDCP 2.2 Compliance Testing for source, display and repeater devices.

Multi-Stream Transport Testing – Emulate an MST source for testing an MST branch device or MST-capable monitor. Up to four (4) streams are supported depending on bandwidth (resolutions) with a depth of one. You can configure the MST topology using a graphical interface. Users can read the EDID and DPCD registers of specific downstream MST display nodes. The optional Auxiliary Channel Analyzer (ACA) utility depicts the MST negotiations with the connected MST sink device.

Passive Aux Channel Monitoring (Future) - The DP 1.4 module includes an auxiliary board that will support passively monitoring the DisplayPort aux channel transactions in the future between a DisplayPort HBR3 source and sink using the familiar Auxiliary Channel Analyzer utility. The ability to passively monitor the aux channel transactions between a source and a display is invaluable in identifying the root cause of link training issues between two devices.

The following is a list of options for the DisplayPort 1.4 Video Generator module. Please note that all functionality is optioned.

Video Generator option – Enables you to emulate a DisplayPort source device for video pattern testing. The option includes a wide range of timing formats and test patterns and selectable color space, color depth, pixel encoding, quantization ranges and the ability to emulate an HDCP 1.3 source. The option also includes the ability to emulate a Multi-Stream Transport (MST) source.

Basic Analyzer option – Enables you to view the incoming video, number of lanes, link rate, timing colorimetry and various other metadata in real time at a glance. This feature provides a basic confidence test to verify that the incoming video is essentially correct. The Basic Analyzer also enables you to emulate any EDID on the Rx port to test a source devices handling of various EDIDs. You can also configure DPCD registers for emulating on the DP Rx port. The Basic Analyzer option also enables you to emulate a DisplayPort Multi-Stream Transport (MST) branch device and MST sink nodes. The emulation capability includes the ability to present EDIDs from downstream MST sink devices and to provide a response to DPCD reads.

Protocol Analyzer (Capture/Analysis) option – Requires the Basic Analyzer option. It enables you capture the main link attributes and diagnose interoperability issues related to them. The Protocol Analyzer captures and stores main link data and provides visibility into main stream attributes, secondary data elements, K-Characters and protocol errors. The Protocol Analyzer presents these elements on a graphical timeline and in a table. You can select any transaction in the table and view its details. The capture utility also enables you to capture specific MST streams from the source.

DisplayPort Auxiliary Channel Analyzer (ACA) option – The optional Auxiliary Channel Analyzer (ACA) utility supports monitoring of hot plug events, EDID exchanges, HDCP authentication, DPCD register reads, link training transactions and MST negotiations between a DP source and the DP module’s Rx port. The ACA logs these events and assigns precise timestamps to them. Once captured you can view the details of each transaction. The ACA enables you to pinpoint various failures on the DisplayPort link. These ACA can be saved and disseminated for further analysis by colleagues and other subject matter experts.

DisplayPort Link Layer 1.2 Core Sink Compliance Test option – This option allows the DisplayPort module Tx interface to run DisplayPort Link Layer compliance tests on display devices. Operation of the link layer compliance test solution is simple. The link layer compliance test is initiated through the 980 GUI Manager. Once initiated, the tests run to completion with limited user interaction required. When a test series has been completed, the instrument issues a detailed report that provides pass/fail results for each individual test. You can link to the aux channel transactions recording during the test. Reports and the raw log files can be viewed through 980 GUI Manager and can be distributed to colleagues and other subject matter experts for analysis.

HDCP 2.2 Compliance Test option – There are three (3) separate options for running HDCP 2.2 compliance tests on source, display and repeater devices. The HDCP 2.2 compliance test is initiated through the 980 GUI Manager. Once initiated, the tests run to completion with limited user interaction required. When a test series has been completed, the instrument issues a detailed report that provides pass/fail results for each individual test. You can link to the aux channel transactions recording during the test.  Reports and the raw log files can be viewed through 980 GUI Manager and can be distributed to colleagues and other subject matter experts for analysis.

HDCP 2.2 Functional Test option – This option allows the DisplayPort module Tx interface to authenticate and encrypt in accordance with HDCP 2.2. This functionality requires the optional Video Generator Function. The option also allows the DP module Rx interface to authenticate and decrypt per HDCP 2.2 receiver. This functionality requires the optional basic analyzer function. The option also includes the ability to emulate an HDCP 2.2 repeater with selectable emulated cascade depth and emulated device count.

The following are a list of key specifications for the DisplayPort 1.4 Video Generator module. Please refer to the data sheet for a complete list of specifications.

DislayPort Tx Interfaces

  • Number of Lanes: 1, 2, 4.
  • Link Rates: 1.62Gb/s, 2.7Gb/s, 5.4Gb/s, 8.1Gb/s.
  • Video Encoding: RGB, YCbCr
  • Sampling modes: 4:4:4, 4:2:2.
  • Color Depth: 24, 30, 36, & 48 bits per pixel.
  • Colorimetry: ITU-R BT.601-5, ITU-R BT.709-5.
  • HDCP versions 1.3 and 2.2.

(DislayPort Rx Interface

  • Number of Lanes: 1, 2, 4.
  • Link Rates: 1.62Gb/s, 2.7Gb/s, 5.4Gb/s, 8.1Gb/s.
  • Video Encoding: RGB, YCbCr.
  • Sampling modes: 4:4:4, 4:2:2.
  • Color Depth: 24, 30, 36, & 48 bits per pixel.
  • Colorimetry: ITU-R BT.601-5, ITU-R BT.709-5.
  • HDCP versions 1.3 and 2.2.

The following is a list of some of important specifications of the 980 HDMI 2.0 Protocol Analyzer module. Please refer to the 980 HDMI 2.0 Protocol Analyzer Data Sheet for a list of all features, benefits, options and specifications.

 

Interfaces

 

  • HDMI Rx Max TMDS Character rate: Up to 600MHz.
  • HDMI Rx Video Encoding/Sampling modes: RGB, YCbCr 4:4:4, 4:2:2, 4:2:0.
  • HDMI Rx Color Depth: 24/30/36 bit color.
  • HDMI Rx Colorimetry: ITU-R BT.601-5, ITU-R BT.709-5.
  • HDMI Rx Audio Formats: LPCM, Dolby (DD, DD+, TrueHD); DTS (ES, HD, Master Audio).
  • HDMI Rx Capture memory: 4 GBytes.
  • HEAC HDMI Ethernet Channel and Audio Return Channel Connector: RJ-45.

 

 

980 DP 1.4 Video Generator / Analyzer Module Resources

Data Sheets

DP Video Generator / Analyzer Data Sheet

User Guides

980 DP Video Generator / Analyzer User Guide
(update coming soon)

980 DP HDCP 2.2 Compliance Test User Guide

980 DP Link Layer Compliance Test User Guide

Presentation

980 DisplayPort 1.4 Module Presentation

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