Analog Devices Blackfin Audio EZ-Extender Manuel utilisateur

Blackfin®/SHARC®USB

EZ-Extender®Manual

Revision 1.1, July 2012

Part Number

82-000224-01

Analog Devices, Inc.

One Technology Way

Norwood, Mass. 02062-9106

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, CrossCore, EngineerZone, EZ-Board,

EZ-Extender, SHARC, and VisualDSP++ are registered trademarks of

Analog Devices, Inc.

All other brand and product names are trademarks or service marks of

their respective owners.

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 there-

fore may cause interference to other electrical devices in close proximity.

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.

The Blackfin/SHARC USB EZ-Extender board contains ESD (electrostatic

discharge) sensitive devices. Electrostatic charges readily accumulate on the

human body and equipment and can discharge without detection. Perma-

nent damage may occur on devices subjected to high-energy discharges.

Proper ESD precautions are recommended to avoid performance degrada-

tion or loss of functionality. Store unused extender boards in the protective

shipping package.

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 Support ......................................................................... xi

Supported Products ...................................................................... xii

Product Information .................................................................... xii

Analog Devices Web Site ........................................................ xii

EngineerZone ........................................................................ xiii

Related Documents ...................................................................... xiv

BLACKFIN/SHARC USB EZ-EXTENDER INTERFACES

Blackfin/SHARC USB EZ-Extender Setup .................................... 1-1

USB Software ......................................................................... 1-2

USB 2.0 Interface ......................................................................... 1-2

Contents

vi Blackfin/SHARC USB EZ-Extender Manual

BLACKFIN/SHARC USB EZ-EXTENDER HARDWARE

REFERENCE

System Architecture ...................................................................... 2-2

Jumper Settings ............................................................................ 2-2

USB Chip Select Jumper (JP1) ................................................ 2-3

USB IRQ Jumper (JP2) ........................................................... 2-3

USB Soft Reset Jumper (JP3) .................................................. 2-3

BLACKFIN/SHARC USB EZ-EXTENDER BILL OF

MATERIALS

BLACKFIN/SHARC USB EZ-EXTENDER SCHEMATIC

INDEX

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 CrossCore®Embedded Studio (CCES)

and VisualDSP++®software development environments. The develop-

ment environment facilitates advanced application code development and

debug, such as:

• Create, compile, assemble, and link application programs written

in C++, C, and Blackfin/SHARC USB EZ-Extender assembly

• Load, run, step, halt, and set breakpoints in application programs

Product Overview

viii Blackfin/SHARC USB EZ-Extender Manual

• Read and write data and program memory

• Read and write core and peripheral registers

• Plot memory

To learn more about Analog Devices development software, go to

http://www.analog.com/processors/tools.

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.

Please visit www.analog.com/EX2-USB for additional information, includ-

ing CCES support.

The following is a list of the Blackfin/SHARC USB EZ-Extender

interfaces.

• USB 2.0 interface:

• PLX Technology NET2272 device

• USB driver and application code

• No power supply required: derives power from the EZ-Board

• CE certified

Blackfin/SHARC USB EZ-Extender Manual ix

Preface

Before using any of the interfaces, follow the setup procedure in “Black-

fin/SHARC USB EZ-Extender Setup” on page 1-1.

Example programs are available to demonstrate capabilities of the Black-

fin/SHARC USB EZ-Extender board.

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 that describe your

target architecture. For the locations of these documents, see “Related

Documents”.

Programmers who are unfamiliar with CCES or VisualDSP++ should refer

to the online help and user’s manuals.

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 revision 1.1 of the Blackfin/SHARC USB EZ-Extender Manual. The

manual has been updated to include CCES information. In addition,

modifications and corrections based on errata reports against the previous

manual revision have been made.

For the latest version of this manual, please refer to the Analog Devices

Web site.

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