Analog Devices Lite ADSP-21371 EZ-KIT User guide

a
ADSP-21371 EZ-KIT Lite®
Evaluation System Manual
Revision 1.1, August 2012
Part Number
82-000230-01
Analog Devices, Inc.
One Technology Way
Norwood, Mass. 02062-9106
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Copyright Information
© 2012 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, CrossCore, EngineerZone, EZ-KIT Lite,
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.
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Regulatory Compliance
The ADSP-21371 EZ-KIT Lite is designed to be used solely in a labora-
tory 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 proximity. This
board should not be used in or near any medical equipment or RF devices.
The ADSP-21371 EZ-KIT Lite has been certified to comply with the
essential requirements of the European EMC directive 2004/108/EC and
therefore carries the “CE” mark.
The ADSP-21371 EZ-KIT Lite has been appended to Analog Devices,
Inc. EMC Technical File (EMC TF) referenced DSPTOOLS1 and was
declared CE compliant by an appointed Notified Body (No.0673) as
listed below.
Notified Body Statement of Compliance: Z600ANA2.040 dated
June 22 2010.
Issued by: Technology International (Europe) Limited
56 Shrivenham Hundred Business Park
Shrivenham, Swindon, SN6 8TY, UK
The EZ-KIT Lite 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 precautions are recommended to avoid performance degradation or
loss of functionality. Store unused EZ-KIT Lite boards in the protective
shipping package.
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ADSP-21371 EZ-KIT Lite Evaluation System Manual v
CONTENTS
PREFACE
Product Overview .......................................................................... x
Purpose of This Manual .............................................................. xii
Intended Audience ...................................................................... xiii
Manual Contents ........................................................................ xiii
What’s New in This Manual ......................................................... xiv
Technical Support ........................................................................ xiv
Supported Processors ..................................................................... xv
Product Information .................................................................... xvi
Analog Devices Web Site ........................................................ xvi
EngineerZone ........................................................................ xvii
Related Documents ..................................................................... xvii
Notation Conventions ................................................................ xviii
USING THE ADSP-21371 EZ-KIT LITE
Package Contents .......................................................................... 1-2
Default Configuration ................................................................... 1-3
CCES Install and Session Startup .................................................. 1-4
Session Startup ........................................................................ 1-6
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Contents
vi ADSP-21371 EZ-KIT Lite Evaluation System Manual
VisualDSP++ Install and Session Startup ....................................... 1-8
Session Startup ........................................................................ 1-9
CCES Evaluation License ........................................................... 1-10
VisualDSP++ Evaluation License ................................................. 1-11
External Memory ........................................................................ 1-12
ELVIS Interface .......................................................................... 1-13
Analog Audio ............................................................................. 1-14
LEDs and Push Buttons .............................................................. 1-15
Example Programs ...................................................................... 1-17
Board Design Database ............................................................... 1-17
ADSP-21371 EZ-KIT LITE HARDWARE REFERENCE
System Architecture ...................................................................... 2-2
External Port ........................................................................... 2-3
DAI Interface .......................................................................... 2-3
DPI Interface .......................................................................... 2-5
FLAG Pins .............................................................................. 2-6
External PLL ........................................................................... 2-6
Expansion Interface ................................................................. 2-7
JTAG Emulation Port ............................................................. 2-7
Switches ....................................................................................... 2-8
Boot Mode and Clock Ratio Select Switch (SW2) .................... 2-9
Codec Setup Switch (SW3) ................................................... 2-10
Electret Microphone Select Switch (SW4) .............................. 2-11
UART Enable Switch (SW5) ................................................. 2-11
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ADSP-21371 EZ-KIT Lite Evaluation System Manual vii
Contents
Loopback Test Switches (SW6 and SW14) ............................. 2-11
Push Button Enable Switch (SW7) ......................................... 2-12
ELVIS Oscilloscope Configuration Switch (SW1) ................... 2-12
ELVIS Function Generator Configuration Switch (SW13) ...... 2-13
AD1835A and Flash Disconnect Switch (SW15) .................... 2-14
LEDs and Push Buttons .............................................................. 2-14
General Purpose LEDs (LED1–8) .......................................... 2-15
Power LED (LED9) ............................................................... 2-15
Reset LED (LED10) .............................................................. 2-15
USB Monitor LED (ZLED3) ................................................. 2-15
Push Buttons (SW8–11) ........................................................ 2-16
Board Reset Push Button (SW12) .......................................... 2-16
Jumpers ...................................................................................... 2-17
VCO Select Jumper (JP1) ...................................................... 2-18
ELVIS Select Jumper (JP2) .................................................... 2-18
ELVIS Voltage Selection Jumper (JP3) ................................... 2-19
ELVIS Programmable Flag Jumper (JP4) ................................ 2-19
Connectors ................................................................................. 2-20
Expansion Interface Connectors (J1–3) .................................. 2-21
Audio In RCA Connector (J10) ............................................. 2-21
Audio Out RCA Connector (J5) ............................................ 2-22
Headphone Out Jack (J9) ...................................................... 2-22
Power Jack (J4) ...................................................................... 2-22
S/PDIF Coax Connectors (J7 and J8) .................................... 2-23
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Contents
viii ADSP-21371 EZ-KIT Lite Evaluation System Manual
DPI Header (P3) ................................................................... 2-23
DAI Header (P4) .................................................................. 2-24
JTAG Header (ZP4) .............................................................. 2-24
ADSP-21371 EZ-KIT LITE BILL OF MATERIALS
ADSP-21371 EZ-KIT LITE SCHEMATIC
INDEX
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ADSP-21371 EZ-KIT Lite Evaluation System Manual ix
PREFACE
Thank you for purchasing the ADSP-21371 EZ-KIT Lite®, Analog
Devices, Inc. evaluation system for SHARC®processors.
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 I/O 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 evaluation system is designed to be used in conjunction with the
CrossCore®Embedded Studio (CCES) and VisualDSP++®development
environments to test capabilities of the ADSP-21371 SHARC processors.
The development environment aids advanced application code develop-
ment and debug, such as:
• Create, compile, assemble, and link application programs written
in C++, C, and ADSP-21371 assembly
• Load, run, step, halt, and set breakpoints in application program
• Read and write data and program memory
• Read and write core and peripheral registers
• Plot memory
Access to the ADSP-21371 processor from a personal computer (PC) is
achieved through a USB port or an external JTAG emulator. The USB
interface provides unrestricted access to the ADSP-21371 processor and
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Product Overview
x ADSP-21371 EZ-KIT Lite Evaluation System Manual
evaluation board peripherals. Analog Devices JTAG emulators offer faster
communication between the host PC and target hardware. Analog Devices
carries a wide range of in-circuit emulation products. To learn more about
Analog Devices emulators and processor development tools, go to
http://www.analog.com/dsp/tools.
The ADSP-21371 EZ-KIT Lite provides example programs to demon-
strate capabilities of the evaluation board.
Product Overview
The board features:
• Analog Devices ADSP-21371 processor
• 208-pin MQFP package
• 266 MHz core clock speed
• Synchronous dynamic random access memory (SDRAM)
• 1M x 32-bit x 4 banks
• Flash memory
• 1M x 8-bit
• Serial peripheral interface (SPI) flash memory
•2Mbit
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ADSP-21371 EZ-KIT Lite Evaluation System Manual xi
Preface
• Analog audio interface
• Analog Devices AD1835A audio codec
• 4 x 2 RCA phono jack for four channels of stereo output
• 2 x 1 RCA phono jack for one channel of stereo input
• 3.5 mm headphone jack for one channel stereo output
• Universal asynchronous receiver/transmitter (UART)
• ADM3202 RS-232 driver/receiver
• DB9 female connector
• National Instruments Educational Laboratory Virtual Instrumen-
tation Suite (ELVIS) Interface
• LabVIEW™-based virtual instruments
• Multifunction data acquisition device
• Bench-top workstation and prototype board
•LEDs
• Eleven LEDs: one power (green), one board reset (red),
one USB monitor (amber), and eight general-purpose
(amber)
• Push buttons
• Five push buttons: one reset, two connected to DAI, and
two connected to the FLAG pins of the processor
• Expansion interface (type A)
• Parallel port, FLAG pins, DPI, DAI
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Purpose of This Manual
xii ADSP-21371 EZ-KIT Lite Evaluation System Manual
• Other features
• JTAG ICE 14-pin header
• Test points for processor current measurement
• DPI header
• DAI header
The EZ-KIT Lite board has a total of 1 MB of parallel flash memory and
2M bit of SPI flash memory. Flash memories can store user-specific boot
code and allow the board to run as a standalone unit. For more informa-
tion, see “External Memory” on page 1-12 and “Boot Mode and Clock
Ratio Select Switch (SW2)” on page 2-9. The board has 16 MB of
SDRAM, which can be used at runtime or from which code can be
executed.
The DAI port of the processor is connected to the AD1835A audio codec
and an external phase lock loop (PLL). The DAI interface facilitates devel-
opment of digital and analog audio signal-processing applications. See
“Analog Audio” on page 1-14 for more information.
The DPI port of the processor is connected to the UART and SPI inter-
faces. The UART interface can connect to a standard RS-232, while the
SPI connects to the 2M bit of serial flash memory.
Additionally, the EZ-KIT Lite board provides access to all of the proces-
sor’s peripheral ports. Access is provided in the form of a three-connector
expansion interface. See “Expansion Interface” on page 2-7 for details.
Purpose of This Manual
The ADSP-21371 EZ-KIT Lite Evaluation System Manual provides
instructions for installing the product hardware (board). The text
describes operation and configuration of the board components and
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ADSP-21371 EZ-KIT Lite Evaluation System Manual xiii
Preface
provides guidelines for running your own code on the ADSP-21371
EZ-KIT Lite. Finally, a schematic and a bill of materials are provided for
reference.
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 the user’s manuals.
Manual Contents
The manual consists of:
• Chapter 1, “Using the ADSP-21371 EZ-KIT Lite” on page 1-1
Describes EZ-KIT Lite functionality from a programmer’s perspec-
tive and provides an easy-to-access memory map.
• Chapter 2, “ADSP-21371 EZ-KIT Lite Hardware Reference” on
page 2-1
Provides information on the EZ-KIT Lite hardware components.
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What’s New in This Manual
xiv ADSP-21371 EZ-KIT Lite Evaluation System Manual
• Appendix A, “ADSP-21371 EZ-KIT Lite Bill of Materials” on
page A-1
Provides a list of components used to manufacture the EZ-KIT
Lite board.
• Appendix B, “ADSP-21371 EZ-KIT Lite Schematic” on page B-1
Provides the resources to allow board-level debugging or to use as a
reference guide. Appendix B is part of the online help.
What’s New in This Manual
This is revision 1.1 of the ADSP-21371 EZ-KIT Lite Evaluation System
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.
Technical Support
You can reach Analog Devices processors and DSP technical support in
the following ways:
• Post your questions in the processors and DSP support community
at EngineerZone®:
http://ez.analog.com/community/dsp
• Submit your questions to technical support directly at:
http://www.analog.com/support
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ADSP-21371 EZ-KIT Lite Evaluation System Manual xv
Preface
• E-mail your questions about processors, DSPs, and tools develop-
ment software from CrossCore Embedded Studio or
VisualDSP++:
Choose Help > Email Support. This creates an e-mail to
[e-mail] and automatically attaches
your CrossCore Embedded Studio or VisualDSP++ version infor-
mation and license.dat file.
• E-mail your questions about processors and processor applications
to:
[email protected]m or
[email protected] (Greater China support)
•IntheUSA only, call 1-800-ANALOGD (1-800-262-5643)
• Contact your Analog Devices sales office or authorized distributor.
Locate one at:
www.analog.com/adi-sales
• Send questions by mail to:
Processors and DSP Technical Support
Analog Devices, Inc.
Three Technology Way
P.O. Box 9106
Norwood, MA 02062-9106
USA
Supported Processors
The ADSP-21371 EZ-KIT Lite evaluation system supports Analog
Devices ADSP-21371 SHARC processors.
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Product Information
xvi ADSP-21371 EZ-KIT Lite Evaluation System Manual
Product Information
Product information can be obtained from the Analog Devices Web site
and the online help system.
Analog Devices Web Site
The Analog Devices Web site, www.analog.com, provides information
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. The manuals
selection opens a list of current manuals related to the product as well as a
link to the previous revisions of the manuals. 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.
Also note, myAnalog is a free feature of the Analog Devices Web site that
allows customization of a Web page to display only the latest information
about products you are interested in. You can choose to receive weekly
e-mail notifications containing updates to the Web pages that meet your
interests, including documentation errata against all manuals.
myAnalog provides access to books, application notes, data sheets, code
examples, and more.
Visit myAnalog (found on the Analog Devices home page) to sign up. If
you are a registered user, just log on. Your user name is your e-mail
address.
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ADSP-21371 EZ-KIT Lite Evaluation System Manual xvii
Preface
EngineerZone
EngineerZone is a technical support forum from Analog Devices. It allows
you direct access to ADI technical support engineers. You can search
FAQs and technical information to get quick answers to your embedded
processing and DSP design questions.
Use EngineerZone to connect with other DSP developers who face similar
design challenges. You can also use this open forum to share knowledge
and collaborate with the ADI support team and your peers. Visit
http://ez.analog.com to sign up.
Related Documents
For additional information about the product, refer to the following
publications.
Table 1. Related Processor Publications
Title Description
ADSP-21371/ADSP-21375 SHARC Processor
Data Sheet
General functional description, pinout, and
timing of the processor
ADSP-2137x SHARC Processor Hardware
Reference
Description of the internal processor architec-
ture, registers, and all peripheral functions
SHARC Processor Programming Reference Description of all allowed processor assembly
instructions
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Notation Conventions
xviii ADSP-21371 EZ-KIT Lite Evaluation System Manual
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
development environment’s menu system (for example, the Close com-
mand 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 delim-
ited 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.



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ADSP-21371 EZ-KIT Lite Evaluation System Manual 1-1
1 USING THE ADSP-21371
EZ-KIT LITE
This chapter provides specific information to assist you with development
of programs for the ADSP-21371 EZ-KIT Lite evaluation system.
The information appears in the following sections.
•“Package Contents” on page 1-2
Lists items contained in your EZ-KIT Lite package.
•“Default Configuration” on page 1-3
Shows the default configuration of the EZ-KIT Lite board.
•“CCES Install and Session Startup” on page 1-4
Instructs how to start a new or open an existing EZ-KIT Lite ses-
sion using CCES.
•“VisualDSP++ Install and Session Startup” on page 1-8
Instructs how to start a new or open an existing EZ-KIT Lite ses-
sion using VisualDSP++.
•“CCES Evaluation License” on page 1-10
Describes the CCES demo license shipped with the EZ-KIT Lite.
•“VisualDSP++ Evaluation License” on page 1-11
Describes the VisualDSP++ demo license shipped with the EZ-KIT
Lite.
•“External Memory” on page 1-12
Defines the memory map of the EZ-KIT Lite; describes how to
access external memory.
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Package Contents
1-2 ADSP-21371 EZ-KIT Lite Evaluation System Manual
•“ELVIS Interface” on page 1-13
Describes the on-board National Instruments Educational Labora-
tory Virtual Instrumentation Suite (NI ELVIS) interface.
•“Analog Audio” on page 1-14
Describes how to set up and communicate with the on-board audio
codec.
•“LEDs and Push Buttons” on page 1-15
Describes the board’s general-purpose I/O pins and buttons.
•“Example Programs” on page 1-17
Provides information about example programs included in the
evaluation system.
•“Board Design Database” on page 1-17
Highlights the available technical resources for the design, layout,
fabrication, and assembly of the EZ-KIT Lite.
For information on the graphical user interface, including the boot load-
ing, target options, and other facilities of the EZ-KIT Lite system, refer to
the online help.
For detailed information on how to program the ADSP-21371 SHARC
processor, refer to the documents referenced in “Related Documents”.
Package Contents
Your ADSP-21371 EZ-KIT Lite evaluation system package contains the
following items.
• ADSP-21371 EZ-KIT Lite board
• Universal 7V DC power supply
• USB 2.0 cable
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