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Mindspeed Technologies M21115 User Manual

Evaluation module
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M21125/M21115 Evaluation Module
User Guide
21125-EVMD-001-B
July 2013

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Summary of Contents for Mindspeed Technologies M21115

  • Page 1 M21125/M21115 Evaluation Module User Guide 21125-EVMD-001-B July 2013...

  • Page 2: Revision History

    Revision History Revision Date Description July 2013 Updated High Speed output settings, Table 2-3 Added Software Operation, Chapter 3 February 2009 Initial release ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 3: Table Of Contents

    Saving/Loading State and Macro Files ...........16 ® Mindspeed Technologies 21125-EVMD-001-B...

  • Page 4: Introduction

    This user guide describes how to use the M21125/M21115 evaluation module (EVM). The M21125 is a 40 input by 40 output crosspoint switch and the M21115 is a 20 input by 20 output crosspoint switch rated to operate up to 3.8 Gbps.

  • Page 5: Quick Start Guide

    2.0 Quick Start Guide The EVM is ready to use out of the box. Please refer to Figure 2-1 for the location of the various connectors. Figure 2-1. M21125/M21115 Evaluation Module ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 6 HDMI cable from the sink to the connector labeled HDMI OUT (J87). Note that when the EVM is populated with a M21115 component, the HDMI connectors cannot be used. 3. For DVI evaluations, attach a DVI cable from the source to the connector labeled DVI IN (J17) and a DVI cable from the sink to the connector labeled DVI OUT (J18).
  • Page 7 Table 2-2. Input/Output Mapping Examples XPS CONFIG[1:0] Input Output OUT0 OUT1 OUT2 OUT3 OUT4 OUT5 OUT6 OUT7 OUT4 OUT5 OUT6 OUT7 OUT0 OUT1 OUT2 OUT3 ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 8 1000 mVppd Disabled High 1000 mVppd 1000 mVppd Medium 1000 mVppd High 1000 mVppd High High 1000 mVppd High High 1400 mVppd Figure 2-2. Location of DIP Switch Bank SW3 and Button S3 ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 9 INPUT ENABLE = L c. OUTPUT ENABLE = L d. TEST = L e. I/O CONFIG0 = L I/O CONFIG1 = L Figure 2-3. Location of DIP Switch Banks SW4 and SW2 ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 10 8. Perform the desired electrical evaluations. Figure 2-4 shows a typical eye diagram. Figure 2-4. Typical Data Output Eye Diagram at 3.8 Gbps ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 11: Software Operation

    USB driver. Allow this process to complete before proceeding. 3. Launch the Mindspeed 8-bit EVM User Control software by going to Start > All Programs > Mindspeed Technologies. Figure 3-5. Mindspeed EVM Software (before connection) ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 12 (see Section 3.2.1). 6. Once connected, it is generally a good practice to reset the device using the supplied configuration file (see Section 3.2.2). ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 13: Software Operation

    2. In the File Selection dialog that appears, navigate to “Software\Scripts” and select the “Reset.txt” file. 3. Click “Open.” The details of the “Load” button are described in greater detail in Section 3.2.6. ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 14: Direct/Indirect Write Mode

    Temporarily reveals what the settings were before they were changed. Write All Re-writes every register on the current tabpage, even those that haven’t changed. Write Changes Writes only those items that have changed (items in italics). ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 15: Memory Map

    To change a value, click on a particular cell in the table and type a new value. Changes will either take effect immediately or after “Write Changes” is clicked, depending on the current Direct Write/Indirect Write setting (see Section 3.2.3). Figure 3-10. Memory Map ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...

  • Page 16: Direct Register Access

    In this mode, each change will be recorded to the script file in the order that it was executed. This is useful when the order of the register writes is particularly important. ® Mindspeed Technologies 21125-EVMD-001-B Mindspeed Proprietary and Confidential...
  • Page 17 © 2013 Mindspeed Technologies ® , Inc. All rights reserved. Information in this document is provided in connection with Mindspeed Technologies ® ("Mindspeed ® ") products. These materials are provided by Mindspeed as a service to its customers and may be used for informational purposes only.

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