Agilent Technologies DisplayPort Installation and operating manual

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 [e-mail] 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.
,
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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
TP2
TP3_Eq
Pattern
PRBS-7
PRBS-7
2520 Bit HBR2 Compliance Eye
Pattern
Swing/Pre-Emphasis /PostCursor2
2/0/0
2/0/0
Provided by DUT Owner for
Passing Condition
SW Channel
NA
NA
0 Length & Worst Case
SSC
On and Off if DUT Supports
On and Off if DUT Supports
On and Off if DUT Supports
3.2 Non-Pre-Emphasis Level
Test Point
TP2
TP2
TP2
Pattern
PRBS-7
PRBS-7
80 Bit PLTPAT
Swing/Pre-Emphasis /PostCursor2
All/0/0
All/0/0
All/0/0
SSC
Both On/Off if DUT Supports
Both On/Off if DUT Supports
Both On/Off if DUT Supports
3.3.1 Pre-Emphasis Level
Maximum Differential Pk-Pk
Output Voltage
Test Point
TP2
TP2
TP2
Pattern
PRBS-7
PRBS-7
80 Bit PLTPAT
Swing/Pre-Emphasis /PostCursor2
All/All/0
All/All/0
All/All/0
SSC
On and Off if DUT Supports
On and Off if DUT Supports
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
On and Off if DUT Supports
On and Off if DUT Supports
3.11 Non-ISI Jitter
Test Point
TP2
TP2
NA
Pattern
PRBS-7
PRBS-7
NA
Swing/Pre-Emphasis /PostCursor2
All/0/0
All/0/0
NA
SSC
On and Off if DUT Supports
On and Off if DUT Supports
NA
3.12.1 Total (TJ) and
Deterministic (DJ) Jitter
Test Point
TP2
TP2
TP3_Eq
Pattern
PRBS-7
PRBS-7
2520 Bit HBR2 Compliance Eye
Pattern
Swing/Pre-Emphasis /PostCursor2
2/0/0
2/0/0
Provided by DUT Owner for
Passing Condition
SW Channel
NA
NA
0 Length & Worst Case
SSC
On and Off if DUT Supports
On and Off if DUT Supports
On and Off if DUT Supports
3.12.2 HBR2 D10.2 TJ/RJ/DJ
Test Point
NA
NA
TP3_Eq
Pattern
NA
NA
D10.2
Swing/Pre-Emphasis /PostCursor2
NA
NA
Same Setting as Passing Eye/Jitter
SW Channel
NA
NA
0 Length & Worst Case
SSC
NA
NA
On and Off if DUT Supports
3.14 Main Link Frequency
Test Point
TP2
TP2
TP2
Pattern
D10.2
D10.2
D10.2

DisplayPort Test Implementation Group 9 Agilent 90000A/X/Q Series Source MOI Draft2
Swing/Pre-Emphasis /PostCursor2
2/0/0
2/0/0
2/0/0
SSC
On and Off if DUT Supports
On and Off if DUT Supports
On and Off if DUT Supports
3.15 SSC Modulation Frequency
3.16 SSC Modulation Deviation
NA if SSC not supported
NA if SSC not supported
NA if SSC not supported
Test Point
TP2
TP2
TP3_Eq
Pattern
D10.2
D10.2
D10.2
Swing/Pre-Emphasis /PostCursor2
2/0/0
2/0/0
2/0/0
SSC
On
On
On
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

DisplayPort Test Implementation Group 11 Agilent 90000A/X/Q Series Source MOI Draft2
Alternatively, the Legacy InfiniiMax II Probing system can be used with 4 ea. of the following adapter.
N5442APrecision BNC Adapter
Figure 3: DSA90000X Differential SMA Adaptors
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If using a 90000A Series oscilloscope, 4 ea. of the following probing system can be used:
N1169A InfiniiMax II Probe Amplifier
N5380A - Differential SMA Probe Head
Adapter
Figure 4: InfiniiMax 1169A Amplifier with N5380A Differential SMA Probe head
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The following diagram shows approved test fixtures for DP Source testing as of the writing of this
document. Refer to the following website for a full list of approved fixtures:
http://www.vesa.org/displayport-developer/certified-components/
Approved Mini-DP Fixtures:
•Wilder: mDP-TPA-P or RevA DPI-TPA-P with DPI-TPA-A Aux Control Board
•LUXSHARE-ICT: TFD-3P38
Approved Standard DP Fixtures:
•Wilder: DP-TPA-P or RevA mDPI-TPA-P with DPI-TPA-A Aux Control Board
•LUXSHARE-ICT: TFP-13P38

DisplayPort Test Implementation Group 12 Agilent 90000A/X/Q Series Source MOI Draft2
Figure 5: Wilder DP Plug Adapters with 6-pin Low Speed Connectors
Figure 6: LUXSHARE-ICT DP Plug Adaptors
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or
Figure 7: AUX Channel Controller Examples

DisplayPort Test Implementation Group 13 Agilent 90000A/X/Q Series Source MOI Draft2
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The following diagram shows the connections for mDP DUT, Fixture, Oscilloscope, and AUXChannel
controller for automated testing for simultaneous connection of four channels. Connection for standard
DP testing will follow the same connection diagram only with the appropriate adapter.
Figure 8: DUT Connection Example for DP Testing
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1. Plug HPD Connection from DP Test Adapter (Wilder as an example) into the AUX Adapter
board.
2. Connect SMA Cables from the AUX connections on the Test Adaptor to the AUX connections on
the AUX Adapter board.
3. Attach USB Cables from the AUX adaptor board to the DP AUX Controller.
4. Connect the AUX Adapter board to the DP AUX Controller using a standard DP Cable.
5. Connect the differential SMA pairs on the DP test adapter to the Differential Probe Heads using
SMA cables as in the following table:

DisplayPort Test Implementation Group 14 Agilent 90000A/X/Q Series Source MOI Draft2
Oscilloscope Connection
Oscilloscope Probe
SMA Connection
Wilder Adapter Cable/Connection
Pairs
Channel 1
Channel 1 – ‘+’
T0_P/R3_N – Positive White
Channel 1 – ‘-’
T0_N/R3_P – Negative White
Channel 2
Channel 2 – ‘+’
T1_P/R2_N – Positive Red
Channel 2 – ‘-’
T1_N/R2_P– Negative Red
Channel 3
Channel 3 – ‘+’
T2_P/R1_N – Positive Yellow
Channel 3 – ‘-’
T2_N/R1_P– Negative Yellow
Channel 4
Channel 4 – ‘+’
T3_P/R0_N – Positive Blue
Channel 4 – ‘-’
T3_N/R0_P– Negative Blue
6. On the oscilloscope, select the Setup > Probe menu.
Figure 9: Probe Setup Dialog Panel
7. For each channel, verify that the channel is reported as connected to the proper probe amplifier
(1168A in this example). If this is not the case, then check the physical connection of the probe to
the appropriate oscilloscope channel.
8. In the Probe Head pull-down, verify that the proper probe head (N5380 in this example) is
selected. If not, then click on Add Head… The Add/Edit User Defined Head panel appears. In the
pull-down menu, select the proper probe head that is attached to the differential amplifier. In this
example it would be N5380A:Df SMA.

DisplayPort Test Implementation Group 15 Agilent 90000A/X/Q Series Source MOI Draft2
Figure 10: Setup Probes – Add User Defined Head Dialog
9. Ensure the DUT is powered.
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The following is the recommended test flow for a 4 lane Source that supports all Swing and Pre-
Emphasis Levels. The testing is broken up into the following two sub-sections.
1. RBR/HBR/HBR2 Measurements – this section takes advantage of the DPCD Control
over the AUX channel to capture all waveforms and performs all the required tests for
RBR and HBR. It also describes the test procedure if the DUT does not support
automation.
2. Dual Mode Measurements – this section describes how to put the DUT in a TMDS
signaling mode at the proper resolution in order to make the Dual Mode (DP++)
compliance measurements.
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This section takes advantage of the DPCD Control over the AUX channel to capture all
waveforms and performs all the required tests for RBR and HBR.
It is highly desirable to perform these tests with automation due to the number of test conditions that
need to be performed. Full automation reduces an engineer’s time to execute and removes human
error from the DUT setup during testing. However, not all sources support full automation. Thus,
both automated and non-automated procedures are outlined below.
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If using full automation, execute the RBR/HBR tests as follows:

DisplayPort Test Implementation Group 16 Agilent 90000A/X/Q Series Source MOI Draft2
1. Start U7232B DisplayPort Test App in Infiniium GUI
Figure 11: Running the DP Compliance Application
While the program loads, a splash screen similar to the following is displayed.
Figure 12: DisplayPort Application Splash Screen
When the application has completed loading the following display will appear.
2. Select Test Specification > 1.2bunder the ‘Setup’ Tab in DisplayPort Application GUI

DisplayPort Test Implementation Group 17 Agilent 90000A/X/Q Series Source MOI Draft2
Figure 13: Setup Tab in DP Application
3. Confirm Test Selection is set to ‘Physical Layer Tests’ and click ‘Test Setup’ button to
configure the App (refer to previous picture). A new window pops out
4. Start Project Menu:
a. Enter descriptors as desired for this test (Device ID, Operator ID, Project ID
b. Select ‘Source’ for ‘Device Type’
c. Select ‘Differential Tests’ for ‘Test Types’
d. Click Next
Figure 14: Start Project Dialog Box

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5. DUT Definition Setup
a. Enter the DUT Definition Settings (Always provided by the Vendor/Customer).
b. For example, make the following selections by checking the box or clicking the radio
button in the DUT Definition Setup dialog. See Figure 13.
a. Lane Setting: 4 Lanes
b. Bit Rate: 5.4 Gbps, 2.7 Gbps and 1.62 Gps
c. Spread Spectrum Clocking: Both if supported
d. Post Cursor2: Level 0
e. Level: Swing 0, Swing 1, Swing 2, Swing 3
f. Pre-emphasis: Pre-emphasis 0, Pre-emphasis 1, Pre-emphasis 2, Pre-
emphasis 3
g. If bit rate includes 5.4Gbs another selection becomes available entitled
‘HBR2 Preferred Level /Pre-Emphasis’. This is a drop down selection that
governs the condition of test for HBR2 tests. This setting should be provided
by the Vendor/Customer.
h. Click Next > when selections have been made.
Figure 15: DUT Definition Dialog Box
The Test Connection Setup dialog display similar to the one below will appear.
6. Test Connection Setup
a. If using 4 Differential probes, Click Differential Probe in Connection Type and select 4
Channels in the No of Channels pull down menu, if not already selected. If testing
single ended, click Single-Ended and select 2 channels for testing one lane at a time or 4
channels if testing two lanes at a time.

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Figure 16: Test Connection Setup
b. If using the Wilder test adaptor, select the Wilder Tech mDP-TPAP/Bit-mDP-PTF-
001 in the Fixture Type pull down menu, as shown below. Do not select Wilder
Tech mDP-TPAP/Bit-mDP-PTF- 001 (With Calibration).
Figure 17: Fixture Selection
c. Click on De-Embed Fixture as in the following figure.

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Figure 18: Probe De-Embed Selection
d. Click Next
The Channel Assignment Setup dialog display similar to the one will appear.
7. Channel Assignment Setup
a. This Diagram is more or less generic diagram to confirm your connection choices.
The details will be presented on the ‘Connect’ tab after you specify the Tests
b. Confirm Channel assignment to each Probe and your setup
c. Click Back if you need to make any changes
d. Click ‘Finish’