Analog Devices Blackfin/SHARC USB EZ-Extender... User manual
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Datasheet of ADZS-BFSHUSB-EZEXT - BOARD DAUGHTER EZ EXTENDER
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Datasheet of ADZS-BFSHUSB-EZEXT - BOARD DAUGHTER EZ EXTENDER
Blackfin/SHARC®USB EZ-Extender®
Manual
Revision 1.0, February 2009
Part Number
82-000224-01
Analog Devices, Inc.
One Technology Way
Norwood, Mass. 02062-9106 a
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Copyright Information
© 2009 Analog Devices, Inc., ALL RIGHTS RESERVED. This docu-
ment may not be reproduced in any form without prior, express written
consent from Analog Devices, Inc.
Printed in the USA.
Disclaimer
Analog Devices, Inc. reserves the right to change this product without
prior notice. Information furnished by Analog Devices is believed to be
accurate and reliable. However, no responsibility is assumed by Analog
Devices for its use; nor for any infringement of patents or other rights of
third parties which may result from its use. No license is granted by impli-
cation or otherwise under the patent rights of Analog Devices, Inc.
Trademark and Service Mark Notice
The Analog Devices logo, Blackfin, SHARC, VisualDSP++, and
EZ-Extender are registered trademarks of Analog Devices, Inc. EZ-Board
is a trademark of Analog Devices, Inc.
All other brand and product names are trademarks or service marks of
their respective owners.
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Regulatory Compliance
The Blackfin/SHARC USB EZ-Extender is designed to be used solely in a
laboratory environment. The board is not intended for use as a consumer
end product or as a portion of a consumer end product. The board is an
open system design, which does not include a shielded enclosure and
therefore may cause interference to other electrical devices in close prox-
imity. This board should not be used in or near any medical equipment or
RF devices.
The Blackfin/SHARC USB EZ-Extender is currently being processed for
certification that it complies with the essential requirements of the Euro-
pean EMC directive 89/336/EEC amended by 93/68/EEC and therefore
carries the “CE” mark.
This evaluation system contains ESD (electrostatic discharge) sensitive
devices. Electrostatic charges readily accumulate on the human body and
equipment and can discharge without detection. Permanent damage may
occur on devices subjected to high-energy discharges. Proper ESD precau-
tions are recommended to avoid performance degradation or loss of func-
tionality. Store unused boards in the protective shipping package.
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Blackfin/SHARC USB EZ-Extender Manual v
CONTENTS
PREFACE
Product Overview ......................................................................... viii
Purpose of This Manual .................................................................. ix
Intended Audience .......................................................................... ix
Manual Contents ............................................................................. x
What’s New in This Manual ............................................................. x
Technical or Customer Support ....................................................... xi
Supported Products ......................................................................... xi
Product Information ...................................................................... xii
Notation Conventions ................................................................... xiii
BLACKFIN/SHARC USB EZ-EXTENDER INTERFACES
Blackfin/SHARC USB EZ-Extender Setup .................................... 1-2
USB Software ......................................................................... 1-3
USB 2.0 Interface ......................................................................... 1-3
BLACKFIN/SHARC USB EZ-EXTENDER HARDWARE
REFERENCE
System Architecture ...................................................................... 2-2
Jumper Settings ............................................................................. 2-3
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CONTENTS
vi Blackfin/SHARC USB EZ-Extender Manual
USB Chip Select Jumper (JP1) ................................................ 2-4
USB IRQ Jumper (JP2) ........................................................... 2-4
USB Soft Reset Jumper (JP3) .................................................. 2-4
BLACKFIN/SHARC USB EZ-EXTENDER BILL OF
MATERIALS
BLACKFIN/SHARC USB EZ-EXTENDER SCHEMATIC
Title Page ..................................................................................... B-1
Expansion Connector ................................................................... B-2
USB Interface ............................................................................... B-3
INDEX
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Blackfin/SHARC USB EZ-Extender Manual vii
PREFACE
Thank you for purchasing the Blackfin/SHARC USB EZ-Extender®,
Analog Devices, Inc. extender board to the EZ-Board™ evaluation system
for the ADSP-BF518F, ADSP-BF526 Blackfin®, and ADSP-21469
SHARC®processors.
Blackfin processors are embedded processors that support a Media
Instruction Set Computing (MISC) architecture. This architecture is the
natural merging of RISC, media functions, and digital signal processing
characteristics towards delivering signal processing performance in a
microprocessor-like environment.
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 processor,
which gives a SHARC processor the bandwidth for sustained high-speed
computations. SHARC processors represents today’s de facto standard for
floating-point processing, targeted toward premium audio applications.
The EZ-Board and Blackfin/SHARC USB EZ-Extender are designed to
be used in conjunction with the VisualDSP++®development environ-
ment. VisualDSP++ offers a powerful programming tool with new
flexibility that significantly decreases the time required to port software
code to a processor, reducing time-to-market.
To learn more about Analog Devices development software, go to
http://www.analog.com/processors/tools/.
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Product Overview
viii Blackfin/SHARC USB EZ-Extender Manual
Product Overview
The Blackfin/SHARC USB EZ-Extender is a separately sold extender
board that plugs onto the expansion interface of the ADSP-BF518F,
ADSP-BF526, and ADSP-21469 EZ-Board evaluation systems. The
extender board aids the design and prototyping phases of the
ADSP-BF518F, ADSP-BF526, and ADSP-21469 processor targeted
applications.
The board extends the capabilities of the evaluation system by providing a
connection between the asynchronous memory bus of the Black-
fin/SHARC processor and a USB 2.0 device.
The following is a list of the Blackfin/SHARC USB EZ-Extender
interfaces.
• USB 2.0 interface:
DPLX Technology NET2272 device
DUSB driver and application code
• No power supply required: derives power from the EZ-Board
• CE certified
Before using any of the interfaces, follow the setup procedure in “Black-
fin/SHARC USB EZ-Extender Setup” on page 1-2.
Example programs are available to demonstrate capabilities of the Black-
fin/SHARC USB EZ-Extender board.
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Blackfin/SHARC USB EZ-Extender Manual ix
Preface
Purpose of This Manual
The Blackfin/SHARC USB EZ-Extender Manual provides instructions for
installing the product hardware (board). The text describes operation and
configuration of the board components. Finally, a schematic and a bill of
materials are provided as a reference for future designs.
Intended Audience
The primary audience for this manual is a programmer who is familiar
with Analog Devices processors. This manual assumes that the audience
has a working knowledge of the appropriate processor architecture and
instruction set. Programmers who are unfamiliar with Analog Devices
processors can use this manual, but should supplement it with other texts
(such as the Hardware Reference and Instruction Set Reference) that describe
your target architecture.
Programmers who are unfamiliar with VisualDSP++ or EZ-Board evalua-
tion software should refer to the ADSP-BF518F, ADSP-BF526, or
ADSP-21469 EZ-Board Evaluation System Manual, VisualDSP++ online
Help, and user’s or getting started guides. For locations of these docu-
ments, refer to “Product Information”.
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Manual Contents
x Blackfin/SHARC USB EZ-Extender Manual
Manual Contents
The manual consists of:
• Chapter 1, “Blackfin/SHARC USB EZ-Extender Interfaces” on
page 1-1.
Provides basic board information.
• Chapter 2, “Blackfin/SHARC USB EZ-Extender Hardware Refer-
ence” on page 2-1.
Provides information on the hardware aspects of the board.
• Appendix A, “Blackfin/SHARC USB EZ-Extender Bill Of Materi-
als” on page A-1.
Provides a list of components used to manufacture the
EZ-Extender board.
• Appendix B, “Blackfin/SHARC USB EZ-Extender Schematic” on
page B-1.
Provides the resources to allow EZ-Board board-level debugging or
to use as a reference design.
What’s New in This Manual
This is the first edition of the Blackfin/SHARC USB EZ-Extender Manual.
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Blackfin/SHARC USB EZ-Extender Manual xi
Preface
Technical or Customer Support
You can reach Analog Devices, Inc. Customer Support in the following
ways:
• Visit the Embedded Processing and DSP products Web site at
http://www.analog.com/processors/technicalSupport
• E-mail tools questions to
processor.tools.support@analog.com
• E-mail processor questions to
processor.support@analog.com (World wide support)
processor.europe@analog.com (Europe support)
processor.china@analog.com (China support)
• Phone questions to 1-800-ANALOGD
• 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 Blackfin/SHARC USB EZ-Extender is designed as an extender board
to the ADSP-BF518F, ADSP-BF526, and ADSP-21469 EZ-Board evalua-
tion systems.
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Product Information
xii Blackfin/SHARC USB EZ-Extender Manual
Product Information
Product information can be obtained from the Analog Devices Web site,
VisualDSP++ online Help system, and a technical library CD.
• The Analog Devices Web site, www.analog.com, provides informa-
tion about a broad range of products—analog integrated circuits,
amplifiers, converters, and digital signal processors.
To access a complete technical library for each processor family, go
to http://www.analog.com/processors/technical_library.
When locating your manual title, note a possible errata check mark
next to the title that leads to the current correction report against
the manual.
• Online documentation comprises the VisualDSP++ Help system,
software tools manuals, hardware tools manuals, processor manu-
als, Dinkum Abridged C++ library, and FLEXnet License Tools
software documentation. You can search easily across the entire
VisualDSP++ documentation set for any topic of interest.
• The technical library CD contains seminar materials, product
highlights, a selection guide, and documentation files of processor
manuals, VisualDSP++ software manuals, and hardware tools man-
uals. To order the technical library CD, go to
http://www.analog.com/processors/technical_library, navi-
gate to the manuals page for your processor, click the request CD
check mark, and fill out the order form.
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Blackfin/SHARC USB EZ-Extender Manual xiii
Preface
Notation Conventions
Text conventions used in this manual are identified and described as
follows.
Example Description
Close command
(File menu)
Titles in reference sections indicate the location of an item within the
VisualDSP++ environment’s menu system (for example, the Close
command appears on the File menu).
{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,…] Optional item lists in syntax descriptions appear within brackets
delimited by commas and terminated with an ellipse; read the example
as an optional comma-separated list of this.
.SECTION Commands, directives, keywords, and feature names are in text with
letter gothic font.
filename Non-keyword placeholders appear in text with italic style format.
Note: For correct operation, ...
A Note provides supplementary information on a related topic. In the
online version of this book, the word Note appears instead of this
symbol.
Caution: Incorrect device operation may result if ...
Caution: Device damage may result if ...
A Caution identifies conditions or inappropriate usage of the product
that could lead to undesirable results or product damage. In the online
version of this book, the word Caution appears instead of this symbol.
Warning: Injury to device users may result if ...
A Warning identifies conditions or inappropriate usage of the product
that could lead to conditions that are potentially hazardous for the
devices users. In the online version of this book, the word Warning
appears instead of this symbol.
L
a
[
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Notation Conventions
xiv Blackfin/SHARC USB EZ-Extender Manual
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Blackfin/SHARC USB EZ-Extender Manual 1-1
1 BLACKFIN/SHARC USB
EZ-EXTENDER INTERFACES
This chapter provides the setup procedures for both the Blackfin/SHARC
USB EZ-Extender and EZ-Board (ADSP-BF518F, ADSP-BF526, or
ADSP-21469) and describes the interfaces the extender supports.
The information is presented in the following order.
•“Blackfin/SHARC USB EZ-Extender Setup” on page 1-2
•“USB 2.0 Interface” on page 1-3
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Blackfin/SHARC USB EZ-Extender Setup
1-2 Blackfin/SHARC USB EZ-Extender Manual
Blackfin/SHARC USB EZ-Extender Setup
It is very important to set up all components of the system containing the
Blackfin/SHARC USB EZ-Extender, then apply power to the system. The
following procedure is recommended for correct setup.
Power your system after these steps are completed:
1. Read the applicable design interface section in this chapter—the
text provides an overview of the interface capabilities.
2. Read “System Architecture” on page 2-2 to understand physical
connections of the extender board. For detailed information, refer
to “Blackfin/SHARC USB EZ-Extender Schematic” on page B-1.
3. Set the jumpers on the Blackfin/SHARC USB EZ-Extender board.
Use the block diagram in Figure 2-1 on page 2-2 in conjunction
with “Jumper Settings” on page 2-3.
4. Set the switches and jumpers on the EZ-Board. If not already,
familiarize yourself with the EZ-Board documentation and sche-
matic drawings (see “Product Information”).
Compare the expansion interface signals of the Blackfin/SHARC
USB EZ-Extender board with the EZ-Board signals to ensure there
is no contention. For example, it may be necessary to disable other
devices connected to the expansion interface of the processor and
disable peripherals on the EZ-Board.
5. Install the Blackfin/SHARC USB EZ-Extender on the EZ-Board
via the high speed expansion interface.
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Blackfin/SHARC USB EZ-Extender Manual 1-3
Blackfin/SHARC USB EZ-Extender Interfaces
USB Software
For information about USB software, refer to the
USB Software Readme.txt file located in the
<install_path>\Blackfin\Examples\USB EZ-EXTENDER or
<install_path>\214xx\Examples\USB EZ-EXTENDER VisualDSP++
directory.
USB 2.0 Interface
The Blackfin/SHARC USB EZ-Extender enables a connection between a
USB 2.0 chip and Blackfin/SHARC processor without any other pro-
grammable logic. The PLX Technology’s NET2272 controller ties directly
to the asynchronous memory bus of the Blackfin or SHARC processor.
You can read from and write to the USB 2.0 controller by addressing the
named memory bank directly.
You can reset the NET2272 controller by asserting LOW one of the four
GPIO signals of the expansion interface. Refer to the appropriate
EZ-Board manual to learn how the GPIO signals connect to the
processor.
The USB IRQ signal of the NET2272 controller connects to one of the
four GPIO signals on the expansion interface. Refer to the appropriate
EZ-Board document to learn how the GPIO signals connect to the
processor.
The USB CS signal of the NET2272 controller connects to one of the four
AMS signals on the expansion interface. Refer to the appropriate EZ-Board
manual to learn how the AMS signals connect to the processor.
The jumper settings required for each of the respective EZ-Boards are
described in the USB Software Readme.txt file located in the
<install_path>\Blackfin\Examples\USB EZ-EXTENDER or
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USB 2.0 Interface
1-4 Blackfin/SHARC USB EZ-Extender Manual
<install_path>\214xx\Examples\USB EZ-EXTENDER VisualDSP++ direc-
tory. The readme file describes the USB software, source code, drivers,
and explains how to run a USB-based application.
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Blackfin/SHARC USB EZ-Extender Manual 2-1
2 BLACKFIN/SHARC USB
EZ-EXTENDER HARDWARE
REFERENCE
This chapter describes the hardware design of the Blackfin/SHARC USB
EZ-Extender.
The following topics are covered.
•“System Architecture” on page 2-2
Describes the board configuration and explains how the board
components interface with the processor and EZ-Board.
•“Jumper Settings” on page 2-3
Describes the on-board configuration jumpers.
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