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® ®
SHARC USB EZ-Extender
Manual
Revision 2.0, April 2006
Part Number
82-000197-01
Analog Devices, Inc.
One Technology Way
Norwood, Mass. 02062-9106
a
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Copyright Information ©2006 Analog Devices, Inc., ALL RIGHTS RESERVED. This document may not be reproduced in any form without prior, express written consent from Analog Devices, Inc. Printed in the USA. Limited Warranty The SHARC USB EZ-Extender is warranted against defects in materials and workmanship for a period of one year from the date of purchase from Analog Devices or from an authorized dealer. Disclaimer Analog Devices, Inc. reserves the right to change this product without prior
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Regulatory Compliance The SHARC USB EZ-Extender has been certified to comply with the essential requirements of the European EMC directive 89/336/EEC (inclusive 93/68/EEC) and, therefore, carries the “CE” mark. The SHARC USB EZ-Extender had been appended to Analog Devices Development Tools Technical Construction File referenced “DSPTOOLS1” dated December 21, 1997 and was awarded CE Certifi- cation by an appointed European Competent Body and is on file. The EZ-KIT Lite evaluation system con
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CONTENTS PREFACE Product Overview ......................................................................... viii Purpose of This Manual .................................................................. ix Intended Audience .......................................................................... ix Manual Contents ............................................................................ ix What’s New in This Manual ............................................................. x Technical or
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CONTENTS USB EZ-EXTENDER BILL OF MATERIALS USB EZ-EXTENDER SCHEMATIC Title Page ..................................................................................... B-1 Expansion Interface ...................................................................... B-2 Bus Switches ................................................................................. B-3 USB Interface ............................................................................... B-4 INDEX vi SHARC USB EZ-Extender Manual
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PREFACE ® ® Thank you for purchasing the SHARC USB EZ-Extender , Analog ® Devices, Inc. extension board to the EZ-KIT Lite evaluation systems for ADSP-21262, ADSP-21364, and ADSP-21369 processors. The SHARC processors are based on a 32-bit super Harvard architecture that includes a unique memory architecture comprised of two large on-chip, dual-ported SRAM blocks coupled with a sophisticated IO pro- cessor, which gives a SHARC processor the bandwidth for sustained high-speed computations.
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Product Overview Product Overview The SHARC USB EZ-Extender is a separately sold extension board that plugs onto the expansion interface of the ADSP-21262, ADSP-21364, or ADSP-21369 EZ-KIT Lite evaluation system. The extension board aids the design and prototyping phases of ADSP-21262, ADSP-21364, or ADSP-21369 processor targeted applications. The board extends the capabilities of the evaluation system by providing a connection between the parallel port or asynchronous memory bus of the SH
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Preface Purpose of This Manual The SHARC USB EZ-Extender Manual describes the operation and con- figuration of the components on the extension board. A schematic and a bill of materials are provided as a reference for future SHARC processor board designs. Intended Audience This manual is a user’s guide and reference to the SHARC USB EZ-Extender. Programmers who are familiar with the Analog Devices SHARC processor architecture, operation, and development tools are the primary audience for t
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What’s New in This Manual Appendix B, “USB EZ-Extender Schematic” on page B-1 Provides the resources to allow EZ-KIT Lite board-level debugging or to use as a reference design. Appendix B now is part of the online Help. The PDF version of the SHARC USB EZ-Extender Manual is located in the Docs\EZ-KIT Lite Manuals folder on the installation CD. Alterna- tively, the book can be found on the Analog Devices Web site: www.analog.com/processors. What’s New in This Manual This edition of the S
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Preface Contact your Analog Devices, Inc. local sales office or authorized distributor Send questions by mail to: Analog Devices, Inc. One Technology Way P.O. Box 9106 Norwood, MA 02062-9106 USA Supported Products The SHARC USB EZ-Extender is designed as an extension board to the ADSP-21262, ADSP-21364, and ADSP-21369 EZ-KIT Lite evaluation systems. Product Information You can obtain product information from the Analog Devices Web site, from the product CD-ROM, or from the printed public
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Product Information Table 1. Related Processor Publications Title Description ADSP-21262 SHARC Microprocessor Datasheet General functional description, pinout, and timing of the ADSP-21262 processors ADSP-21364 SHARC Microprocessor Datasheet General functional description, pinout, and timing of the ADSP-21364 processors ADSP-21369 SHARC Processor Datasheet General functional description, pinout, and timing of the ADSP-21369 processors ADSP-2126x SHARC DSP Core Manual ADSP-21262 processors: de
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Preface Table 2. Related VisualDSP++ Publications (Cont’d) Title Description VisualDSP++ Linker and Utilities Manual Description of the linker function and com- mands VisualDSP++ Loader and Utilities Manual Description of the loader function and com- mands Visit the Technical Library Web site to access all processor and tools man- uals and datasheets: http://www.analog.com/processors/resources/technicalLibrary. SHARC USB EZ-Extender Manual xiii
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Notation Conventions Notation Conventions Text conventions used in this manual are identified and described as follows. Example Description {this | that} Alternative required items in syntax descriptions appear within curly brackets and separated by vertical bars; read the example as this or that. One or the other is required. [this | that] Optional items in syntax descriptions appear within brackets and sepa- rated by vertical bars; read the example as an optional this or that. [this,…] Opt
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1 USB EZ-EXTENDER INTERFACE This chapter provides the setup procedures for both the SHARC USB EZ-Extender and EZ-KIT Lite (ADSP-21262, ADSP-21364, or ADSP-21369) and describes the USB interface the extender supports. USB EZ-Extender Setup It is very important to set up all of the components of the system contain- ing the USB EZ-Extender before applying power to that system. The following procedure is recommended for the correct setup. Power your system when these steps are completed: 1. Re
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USB 2.0 Interface 4. Set the jumper on the USB EZ-Extender board. Use the block dia- gram in Figure 2-1 on page 2-1 in conjunction with “Processor Select Jumper (JP1)” on page 2-2. 5. Set the switches on the EZ-KIT Lite board. If not already, familiar- ize yourself with the documentation and schematics of the EZ-KIT Lite (see “Related Documents”). Compare the expansion interface signals of the USB EZ-Extender board with the signals of the EZ-KIT Lite board to ensure there is no contention. F
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USB EZ-Extender Interface You can reset the NetChip 2272 device by asserting LOW these flag pins: FLAG2 on the ADSP-21262 and ADSP-21364 processors FLAG0 on the ADSP-21369 processor The USB interrupt request pin (IRQ) line of the extender connects to FLAG1 on the ADSP-21262, ADSP-21364, and ADSP-21369 processors. This flag pin may be used for push buttons or LEDs on the respective EZ-KIT Lites; consequently, the user must make the proper changes to that EZ-KIT Lite. When writing to an
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USB 2.0 Interface 1-4 SHARC USB EZ-Extender Manual
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2 USB EZ-EXTENDER HARDWARE REFERENCE This chapter describes the hardware design of the USB EZ-Extender. The following topics are covered. “System Architecture” on page 2-1 Describes the extension board’s configuration. “Processor Select Jumper (JP1)” on page 2-2 Describes the configuration jumper’s functionality. System Architecture A block diagram of the SHARC USB EZ-Extender is shown in Figure 2-1. Figure 2-1. Block Diagram SHARC USB EZ-Extender Manual 2-1
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Processor Select Jumper (JP1) Processor Select Jumper (JP1) Before using the SHARC USB EZ-Extender, follow the steps in “USB EZ-Extender Setup” on page 1-1. Figure 2-2 shows the location of the processor select jumper JP1. A two-pin jumper can be placed on the respective jumper header for differ- ent functionality. Figure 2-2. JP1 Jumper Settings 2-2 SHARC USB EZ-Extender Manual
