Keysight MIPI N5991MC2E User Manual
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Keysight MIPI N5991MC2E User Manual

Keysight MIPI N5991MC2E User Manual

C-phy frame generator
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MIPI
Keysight N5991MC2E
C-PHY
Frame Generator
User Guide

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Summary of Contents for Keysight MIPI N5991MC2E

  • Page 1 ® MIPI Keysight N5991MC2E C-PHY Frame Generator User Guide...
  • Page 2 APPLICABLE LAW, KEYSIGHT DISCLAIMS are fully understood and met. its standard commercial license, which is ALL WARRANTIES, EITHER EXPRESS OR embodied in its End User License Agree- IMPLIED WITH REGARD TO THIS MANUAL Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 3: Table Of Contents

    M8195A Dual Channel Mode 3 Installing and Starting the Software Installing the Software Updating the Software Starting the Software Starting Unregistered Software Starting Registered Software 4 Using the Software General Features Connection Window Keysight N5991 PCIe 6.0 Test Automation Software Platform User Guide...
  • Page 4 Signal Parameters Data Pattern Data Rates & Transition Times AUX Channel Parameter groups Protocol Skew Levels Disturbances Delay Interference Jitter 5 Troubleshooting Support Information Using Logs 6 Appendix: Acronyms and Abbreviations Keysight N5991 PCIe 6.0 Test Automation Software Platform User Guide...
  • Page 5 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Introduction Overview Document History...

  • Page 6: Overview

    Generator” or simply “software”) is a stand-alone software utility. It provides semi-automatic control of the C-PHY Signal Generator for physical layer tests, which is based on the Keysight Technologies M8195A AWG. The Frame Generator is a flexible tool for trouble-shooting and debugging.

  • Page 7: Document History

    The second edition of this user guide describes the functionality of ® software version N5991 MIPI C-PHY_1.20 Frame Generator, or higher, ® which is based on the MIPI Alliance Specification for C-PHY Version 2.0. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 8 Introduction Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 9 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Test Instrument Setup M8195A Four Channel Mode / 11 M8195A Dual Channel Mode / 12 This chapter outlines how to set up the test instruments in preparation for ® using the MIPI...
  • Page 10 DUT. • Switch on the PC and instruments. • Start Keysight “IO VISA Connection Expert” and check the connections for the instruments. • Set the correct IP address for each instrument. The software uses M8195A AWG modules for C-PHY output. For more than one AWG module, the M8197A synchronizes the M8195A modules.

  • Page 11: M8195A Four Channel Mode

    This setup uses four channels on each AWG module to generate the MIPI C-PHY signal. With this configuration (Figure 1), up to three data lanes can be tested. Figure 1 Connection diagram for M8195A Four Channel Mode (3 lanes) Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 12: M8195A Dual Channel Mode

    Figure 2 Connection diagram for M8195A Dual Channel Mode (2 lanes) Dual Channel mode is available only if you install the add-on license NOTE N5991MCHZ-ADD ‘MIPI C-PHY 32G sample waveform generation add-on’. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 13 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Installing and Starting the Software Installing the Software / 14 Updating the Software / 15 Starting the Software / 16 ® The MIPI C-PHY Frame Generator software runs on the PC that controls the AWG.

  • Page 14: Installing The Software

    Then, click the Install button to install the software. After the installation the computer does not need to be rebooted. An icon named “C-PHY Frame Generator (N5991)” will be added to the desktop. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 15: Updating The Software

    Generator software, please uninstall it from the PC during the installation of the new version when prompted by the setup program. You may choose whether to uninstall just the program files or the user data as well. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 16: Starting The Software

    (BLM) portal, add the license to your PC and activate it. For detailed instructions on how to use the BLM, please refer to the manual BitifEye License Manager User Guide. Starting Registered Software If the software is already registered, it starts automatically. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 17 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Using the Software General Features / 18 Connection Window / 19 Signal Window / 22 After you have configured the setup using the Connection window of the Frame Generator software, the Signal window can be used to select the ®...

  • Page 18: General Features

    Clicking Copy to Clipboard copies details about the software version and the license to the clipboard, so that you can easily paste this information into an e-mail if you have to contact BitifEye with a query. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 19: Connection Window

    LAN or USB-to-GPIB connections. The specific connection is reflected in the name-string of the corresponding instrument. For details on naming conventions, refer to Help in the Keysight IO Libraries Suite. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 20 C-PHY waveforms in ALP (Alternate Low-Power) operating mode. d In the Host IP Address field, specify the IP address of the AWG Host This is the PC that is connected to the hardware and runs the AWG Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 21 See Figure 5. The blue icon indicates which window is currently being displayed. ® Figure 5 MIPI C-PHY Frame Generator — Connection setup window after the instrument connections have been established Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 22: Signal Window

    (e.g. ABORT in Figure The functioning of the icon buttons is described in the following section. ® Figure 6 MIPI C-PHY Frame Generator main window Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 23: Icon Buttons

    The Trigger button enables a jump from the initial loop block to the next block. This option is available only if a pattern with the option “triggered startup” has been programmed into the AWG. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 24 Using the Software • A message log panel is displayed at the bottom of the main window, which provides error, warning and information messages, along with their time stamps. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 25: Signal Parameters

    AWGs to stop. For some combinations of the parameter settings, it is imperative that NOTE the AWGs are always stopped (such as, change in HS Symbol Range and so on). Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 26 In this sequence file, the blocks contain data that can be specified, and the sequence behavior can also be specified. If you select APL Mode in the CONNECTION window, only Frames mode can be used. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 27: Data Rates & Transition Times

    Pattern Trigger — Select this option to generate a stable triggered pattern on the oscilloscope. Note that the trigger is synchronous with the infinite loop generated. As a result, the oscilloscope displays the same part of the pattern within the loop. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 28: Parameter Groups

    Changing the value of any parameter in the user interface does not perform the waveform recalculation automatically anymore. After modifying one or more parameters, you must explicitly request a waveform recalculation by clicking the APPLY button in the toolbar. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 29: Protocol

    C-PHY Parameters — Protocol Group T3-PREPARE Sets the time for which the transmitter drives a LP-000 state immediately before the start of high speed transmission. TX-HS-EXIT Sets the length of LP-111 state following a high-speed burst. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 30 Time for which the transmitter drives a Mark-1 state prior to a Stop state in order to initiate an exit from ULPS. TX-INIT Time for which the transmitter drives a Stop State (LP-111). Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 31 Transmitter asserts the ALP-Pause Wake pulse from the ALP-Pause ULPS state, with 1 ms as minimum. T-LPX The transmitted length of the Low Power state. The length of this field is fixed at 50 ns. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 32: Skew

    AWG Channels. This feature is useful to de-skew the influences on cables. Depending on the configured setup, some of the parameters do not apply and are disabled. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 33: Levels

    Lane, Line or both; the modified values for specific lanes or lines are reset to the voltage level values set for the All option in Lane, Line or both. The parameters in this group are described below. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 34 ALP Pause Level [V_ALP] Voltage level applied for the ALP Pause mode. This parameter is available only when ALP mode is selected in the CONNECTION section. TX EQ Displays the Transmitter Equalization. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 35: Disturbances

    LP High state, which changes the duty cycle and, simultaneously, decreases the width of the LP low state. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 36 C-PHY signal quality. It also enables the parameter to enable/disable the In-System AWG Calibration. In-System Calibration If set to ON, this parameter enables the In-System AWG Calibration data. If not, the factory calibration data from the AWG is used. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 37 Using the Software Multi S-Parameter Together with the In-System Calibration parameter, the S-Parameters can also be used to de-embed the system. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 38: Isi

    The time domain filter is stretched or compressed in the time domain by this factor, which emulates a longer or shorter trace than the original. It can be used to tune the resulting ISI. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 39 Defines the ISI 2 Port S-Parameter file. These files are considered only when TWOPort is selected from the Number of Ports drop-down options. Embed Package Select the package file to de-embed the system. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 40: Delay

    The parameters in the Delay Group allow you to change the delays between the lanes. If the Enable Intra-Line Delay parameter is activated, it is also possible to apply delays between the lines. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 41: Interference

    Enables or Disables the Sinusoidal Signal Interference generation. Lane Represents the target lane where the Signal Interference is added. It allows interference on all data lanes simultaneously or on a specific data lane. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 42 Mode Set to add interference on the High Speed signal, Low Power signal or on both. Amplitude Amplitude of the generated interference. Frequency Frequency of the generated interference. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 43: Jitter

    Select the lane where the Sinusoidal Jitter is applied. It supports Sinusoidal Jitter on the Clock lane, on all Data lanes or alternatively on a specific Data lane. SJ Amplitude Amplitude of the Sinusoidal Jitter (peak-to-peak). Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 44 It supports Bounded Uncorrelated Jitter on the Clock lane, on all Data lanes or alternatively on a specific Data lane. BUJ Amplitude(RMS) Root Mean Square (RMS) Amplitude of the Bounded Uncorrelated Jitter. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 45 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Troubleshooting Support Information / 46 Using Logs / 47...

  • Page 46: Support Information

    Generator main window (see Figure 3 on page 18). Clicking the Copy to Clipboard button copies these details to the clipboard, so that you can easily paste this information into your e-mail. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...

  • Page 47: Using Logs

    Using the Software Using Logs Right click the Log panel, select Show Log File to view the logs and investigate the root cause of an issue. Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 48 Using the Software Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 49 Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide Appendix: Acronyms and Abbreviations This Appendix contains a list of acronyms and abbreviations used in the ® Keysight MIPI C-PHY Frame Generator User Guide.
  • Page 50 Input–Output Internet Protocol Inter-Symbol Interference Local Area Network Low Power Least Significant Bit ® MIPI Mobile Industry Processor Interface Most Significant Bit Personal Computer Root Mean Squared Sinusoidal Jitter Transition Time Transmitter Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 51 Appendix: Acronyms and Abbreviations Acronym Definition UDID User-Defined Identifier Unit Interval ULPS Ultra-Low Power State Universal Serial Bus VISA Virtual Instrument System Architecture Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 52 Appendix: Acronyms and Abbreviations Keysight N5991MC2E MIPI® C-PHY Frame Generator User Guide...
  • Page 53 This information is subject to change without notice. © Keysight Technologies 2022 Edition 2.0, February 2022 www.keysight.com...

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