Agilent Technologies DisplayPort Manuale di installazione e funzionamento

Agilent, Inc.

DisplayPort Test Implementation Group 1 Agilent 90000A/X/Q Series Source MOI Draft2

DisplayPort™

Standard

Draft2

January 14, 2013

Agilent MOI for DisplayPort PHY CTS 1.2b Source Testing

Using DSA90000A/90000X/90000Q Series Oscilloscopes with

U7232B DisplayPort Compliance Test Software

This document is provided "AS IS" and without any warranty of any kind, including, without limitation, any

expressed or implied warranty of non-infringement, merchantability or fitness for a particular purpose.

In no event shall VESA™ or any member of VESA be liable for any direct, indirect, special, exemplary, punitive, or

consequential damages, including, without limitation, lost profits, even if advised of the possibility of such damages.

This material is provided for reference only. VESA does not endorse any vendor’s equipment, including equipment

outlined in this document.

Tektronix Inc.

DisplayPort Source Test MOI Page 1 ver 0.95

DisplayPort

Standard

12-04-2007

DisplayPort Standard

Tektronix MOI for Sink Tests

(AWG Jitter Generation using Direct Synthesis and

calibration using real time DPO measurements for Sink

Devices)

Agilent, Inc.

DisplayPort Test Implementation Group 2 Agilent 90000A/X/Q Series Source MOI Draft2

TABLE OF CONTENTS

MODIFICATION*RECORD* 3!

REFERENCES* 5!

ACKNOWLEDGEMENTS* 5!

List*of*Figures* 6!

Source*PHY*Tests*(CTS1.2b*Section*3)* 7!

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DisplayPort Test Implementation Group 3 Agilent 90000A/X/Q Series Source MOI Draft2

MODIFICATION*RECORD*

June 30, 2012 Version 0.81 – Initial Draft Submitted to VESA Test Implementation Group

Oct 22, 2012 Version 0.90 – Updated with Dual Mode and changes due to PHY DP 1.2b CTS

release.

Jan 12, 2013 Draft2 – Changed name to Draft2, ‘TM’ on first instance of VESA and DisplayPort

DisplayPort Test Implementation Group 4 Agilent 90000A/X/Q Series Source MOI Draft2

INTRODUCTION

This Method of Implementation describes the procedures to perform the DP Source tests as required by

the VESA DisplayPort Logo Compliance Program using the DSA90000A or DSA90000X/DSA90000Q

Series Oscilloscopes by Agilent in conformance with the DP1.2b PHY Compliance Test Specification

(CTS). Source tests are required to qualify a Source product or silicon building block for Logo

certification and listing on the DP Integrators List.

Formally, each test description in the CTS contains the following sections:

Test Objective

Interoperability statement

Test conditions

Measurement requirements and

Pass/fail criteria

This MOI reduces the CTS test description to practice using the specified test equipment and procedures.

DisplayPort Test Implementation Group 5 Agilent 90000A/X/Q Series Source MOI Draft2

REFERENCES*

The following documents are referenced in this text:

•DP PHY CTS1.2b, October, 2012

The most current version of above document is available to VESA members at the following

website: http://www.vesa.org/join-vesamemberships/member-downloads/

ACKNOWLEDGEMENTS*

The people have contributed to the creation and maintenance of this document:

Mike Engbretson (Author/Editor) – Granite River Labs (GRL), Inc.

Brian Fetz – Agilent, Inc.

Please send feedback on this document to mikeen@graniteriverlabs.com and bri[email protected].

DisplayPort Test Implementation Group 6 Agilent 90000A/X/Q Series Source MOI Draft2

List*of*Figures*

Figure 1: DSA90000A/90000X Series Oscilloscope ...................................................................................................9!

Figure 2: U7232B DisplayPort Software ..................................................................................................................10!

Figure 3: DSA90000X Differential SMA Adaptors .................................................................................................11!

Figure 4: InfiniiMax 1169A Amplifier with N5380A Differential SMA Probe head .........................................11!

Figure 5: Wilder DP Plug Adaptors..........................................................................................................................12!

Figure 6: LUXSHARE-ICT DP Plug Adaptors .......................................................................................................12!

Figure 7: AUX Channel Controller Examples.........................................................................................................12!

Figure 8: DUT Connection Example for DP Testing ..............................................................................................13!

Figure 9: Probe Setup Dialog Panel ..........................................................................................................................14!

Figure 10: Setup Probes – Add User Defined Head Dialog ....................................................................................15!

Figure 11: Running the DP Compliance Application..............................................................................................16!

Figure 12: DisplayPort Application Splash Screen .................................................................................................16!

Figure 13: Setup Tab in DP Application ..................................................................................................................17!

Figure 14: Start Project Dialog Box..........................................................................................................................17!

Figure 15: DUT Definition Dialog Box .....................................................................................................................18!

Figure 16: Test Connection Setup .............................................................................................................................19!

Figure 17: Fixture Selection.......................................................................................................................................19!

Figure 18: Probe De-Embed Selection......................................................................................................................20!

Figure 19: Channel Assignment ................................................................................................................................21!

Figure 20: Automation Enabled ................................................................................................................................21!

Figure 21: Automation IP Address ...........................................................................................................................22!

Figure 22: Automation Script Navigation ................................................................................................................22!

Figure 23: Automation Script Selection ...................................................................................................................23!

Figure 24: Confirm Automation Script Operation..................................................................................................23!

Figure 25: Measurement Selection Menu.................................................................................................................24!

Figure 26: DUT Connection Diagram.......................................................................................................................25!

Figure 27: Completed Instructions Check Box........................................................................................................25!

Figure 28: Enable Automation Unchecked for Manual DUT Control ..................................................................26!

Figure 29: DisplayPort DUT Settings Dialog ...........................................................................................................26!

Figure 30: Save Project as Dialog..............................................................................................................................27!

Figure 31: Wilder AUX Control Board used for Dual Mode Testing ...................................................................28!

Figure 32: Dual Mode Tests Selection ......................................................................................................................29!

Figure 33: Select 1.2b under Test Specification .......................................................................................................29!

Figure 34: Select Dual Mode Tests under Test Selection ........................................................................................29!

Figure 35: Dual Mode Differential Connection Setup.............................................................................................30!

Figure 36: Dual Mode Differential Channel Selection ............................................................................................30!

Figure 37: Dual Mode Test Tab ................................................................................................................................31!

Figure 38: Dual Mode Connect Tab..........................................................................................................................31!

Figure 39: Completed Instructions Check Box........................................................................................................32!

Figure 40: Dual Mode Scope Display during Automated Testing .........................................................................32!

DisplayPort Test Implementation Group 7 Agilent 90000A/X/Q Series Source MOI Draft2

Source*PHY*Tests*(CTS1.2b*Section*3)*

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This MOI (Method of Implementation) provides the test procedures for testing DisplayPort Source to the

DP 1.2b Compliance Test Specification (CTS). The purpose of the document is to provide the approved

test equipment, test connections and setup, and procedures for the DP1.2 compliance program. Review

and approval of compliance test procedures for DisplayPort is the responsibility of the VESA Test

Implementation Subgroup.

The test procedures in this document are only the Normative (or required) tests in the DP 1.2b CTS. For

informational tests, refer to the test equipment vendor’s documentation.

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Prior to making any measurements, the following steps must be taken to assure accurate measurements:

•Allow a minimum of 20 minutes warm-up time for oscilloscope.

•Run oscilloscope calibration routines. Agilent Infiniium oscilloscope calibrations are valid over a

specific temperature range even after a power cycle so the oscilloscope does not have to be re-

calibrated before every test device or every day.

•If using probes, perform the probe calibration defined for the specific probes being used.

•Make sure you use a torque wrench to make all SMA connections.

3" 145,6.7,!"-8,7')&*/,./0%+$9,:;/&;+/<,,

This section describes the procedure for testing the DisplayPort Source electrical parameters. This

testing is required for all ports on a device under test. The DP electrical parameters are as specified by

Section 3 of the PHY CTS 1.2b. The CTS is available to VESA members at www.vesa.org. Agilent

offers probing and automation software used for testing DisplayPort, which is used for this procedure.

This document covers the following PHY CTS 1.2b tests:

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DisplayPort Test Implementation Group 8 Agilent 90000A/X/Q Series Source MOI Draft2

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Refer to the DisplayPort PHY CTS 1.2b for detailed test objectives for each test. Each section of the CTS

links back to the DisplayPort 1.2a Standard.

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The PHY CTS describes in detail the test requirements and algorithms required for meeting the

specification. The following table summarizes the test conditions for the tests in the PHY CTS.

Test ID

RBR (1.62Gb/s)

HBR (2.7Gb/s)

HBR2 (5.4Gb/s)

3.1 Eye Diagram Test

Test Point

TP2

TP3_Eq

Pattern

PRBS-7

2520 Bit HBR2 Compliance Eye

Pattern

Swing/Pre-Emphasis /PostCursor2

2/0/0

Provided by DUT Owner for

Passing Condition

SW Channel

0 Length & Worst Case

SSC

On and Off if DUT Supports

3.2 Non-Pre-Emphasis Level

Test Point

TP2

Pattern

PRBS-7

80 Bit PLTPAT

Swing/Pre-Emphasis /PostCursor2

All/0/0

SSC

Both On/Off if DUT Supports

3.3.1 Pre-Emphasis Level

Maximum Differential Pk-Pk

Output Voltage

Test Point

TP2

Pattern

PRBS-7

80 Bit PLTPAT

Swing/Pre-Emphasis /PostCursor2

All/All/0

SSC

On and Off if DUT Supports

3.4 Inter-pair Skew

Bit Rate

Highest Bit Rate Supported

Test Point

TP2

Pattern

PRBS-7 or DUT dependent custom pattern

Swing/Pre-Emphasis /PostCursor2

2/0/0

SSC

On and Off if DUT Supports

3.11 Non-ISI Jitter

Test Point

TP2

Pattern

PRBS-7

Swing/Pre-Emphasis /PostCursor2

All/0/0

SSC

On and Off if DUT Supports

3.12.1 Total (TJ) and

Deterministic (DJ) Jitter

Test Point

TP2

TP3_Eq

Pattern

PRBS-7

2520 Bit HBR2 Compliance Eye

Pattern

Swing/Pre-Emphasis /PostCursor2

2/0/0

Provided by DUT Owner for

Passing Condition

SW Channel

0 Length & Worst Case

SSC

On and Off if DUT Supports

3.12.2 HBR2 D10.2 TJ/RJ/DJ

Test Point

TP3_Eq

Pattern

D10.2

Swing/Pre-Emphasis /PostCursor2

Same Setting as Passing Eye/Jitter

SW Channel

0 Length & Worst Case

SSC

On and Off if DUT Supports

3.14 Main Link Frequency

Test Point

TP2

Pattern

D10.2

DisplayPort Test Implementation Group 9 Agilent 90000A/X/Q Series Source MOI Draft2

Swing/Pre-Emphasis /PostCursor2

2/0/0

SSC

On and Off if DUT Supports

3.15 SSC Modulation Frequency

3.16 SSC Modulation Deviation

NA if SSC not supported

Test Point

TP2

TP3_Eq

Pattern

D10.2

Swing/Pre-Emphasis /PostCursor2

2/0/0

SSC

3.18 Dual Mode TMDS Clock

3.19 Dual Mode Eye Diagram

Test Point

TP2

Pattern

TMDS (Random Output)

TMDS Clock Rate

148.5 MHz

Table 1 – 1.2b PHY CTS Source Test Conditions

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The following equipment is required for DisplayPort Source Testing:

•1 ea. Agilent 90000X or 90000A Series Oscilloscope (13GHz and above) with the following

software:

oU7232B DisplayPort Compliance Test Software (Ver. 3.2 or later)

•4 ea. Agilent differential SMA probing system (See Section 6.3)

oAlternatively, lanes can be tested one or two at a time using direct SMA input to the

Oscilloscope or automated with an RF Switch matrix.

•1 ea. Wilder, Luxshare-ICT, or equivalent VESA approved DP Test Adapter.

oNote: If the DUT supports Dual Mode, then a 6-pin Low Speed Connector is required on

the fixture. For Example: Wilder DPI-TPA Adapter. This will be used for Dual Mode

testing later in this MOI.

•1 ea. DP AUX Adapter Board (Wilder for example) with:

o2 ea. SMA Cables to connect AUX from Test Adapter to AUX Adapter board.

o1 ea. USB Cable

•1 ea. Unigraf DPR-100 or W2642A (Quantum Data 882 Controller with Agilent AUX Channel

control FPGA) -If the Source DUT supports automated testing using DPCD-based control.

o1 ea. DP Cable to connect to the controller.

o1 ea. USB (Unigraf) Cable or LAN cable (W2642A)

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Figure 1: DSA90000A/90000X Series Oscilloscope

DisplayPort Test Implementation Group 10 Agilent 90000A/X/Q Series Source MOI Draft2

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The U7232B DisplayPort SW automates all the measurements in the PHY CTS. In two port TBT devices,

Reduced Bit Rate (RBR – 1.62Gb/s), High Bit Rate (HBR – 2.7Gb/s), and High Bit Rate 2 (HBR2 –

5.4Gb/s).

Figure 2: U7232B DisplayPort Software

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The differential SMA probing solution required depends on the oscilloscope being used for the testing,

below is a table of the probing system options for 90000X and 90000 Series oscilloscopes.

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If using a 90000X or 90000Q Series oscilloscopes, 4 ea. of the following probing system can be used:

N280xA - InfiniiMax III Probe Amplifier

N5444A - SMA Probe Head

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