Spectrum Digital eZdsp R2812 USB Technical Reference
eZdsp
TM
R2812 USB
Technical
Reference
2004 DSP Development Systems
eZdsp
TM
R2812 USB
Technical Reference
507715-0001 Rev. B
September 2004
SPECTRUM DIGITAL, INC.
12502 Exchange Dr., Suite 440 Stafford, TX. 77477
Tel: 281.494.4505 Fax: 281.494.5310
sales@spectrumdigital.com www.spectrumdigital.com
IMPORTANT NOTICE
Spectrum Digital, Inc. reserves the right to make changes to its products or to discontinue any
product or service without notice. Customers are advised to obtain the latest version of relevant
information to verify data being relied on is current before placing orders.
Spectrum Digital, Inc. warrants performance of its products and related software to current
specifications in accordance with Spectrum Digital’s standard warranty. Testing and other quality
control techniques are utilized to the extent deemed necessary to support this warranty.
Please be aware, products described herein are not intended for use in life-support appliances,
devices, or systems. Spectrum Digital does not warrant, nor is it liable for, the product described
herein to be used in other than a development environment.
Spectrum Digital, Inc. assumes no liability for applications assistance, customer product design,
software performance, or infringement of patents or services described herein. Nor does Spectrum
Digital warrant or represent any license, either express or implied, is granted under any patent right,
copyright, or other intellectual property right of Spectrum Digital, Inc. covering or relating to any
combination, machine, or process in which such Digital Signal Processing development products or
services might be or are used.
WARNING
This equipment is intended for use in a laboratory test environment only. It generates, uses, and can
radiate radio frequency energy and has not been tested for compliance with the limits of computing
devices pursuant to subpart J of part 15 of FCC rules, which are designed to provide reasonable
protection against radio frequency interference. Operation of this equipment in other environments
may cause interference with radio communications, in which case the user, at his own expense, will
be required to take any measures necessary to correct this interference.
TRADEMARKS
eZdsp is a trademark of Spectrum Digital, Inc.
Copyright
© 2004 Spectrum Digital, Inc.
Contents
1 Introduction to the eZdsp
Provides a description of the eZdsp
1.0 Overview of the eZdsp
1.1 Key Features of the eZdsp
1.2 Functional Overview of the eZdsp
2 Operation of the eZdsp
Describes the operation of the eZdsp
TM
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
TM
R2812, key features, and board outline.
TM
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
TM
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
TM
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
TM
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
TM
R2812. Information is provided on the DSK’s various
interfaces.
TM
2.0 The eZdsp
2.1 The eZdsp
R2812 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
TM
R2812 Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.1.1 Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
TM
2.2 eZdsp
R2812 Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2.2.1 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2.2.2 External Memory Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.3 eZdsp
TM
R2812 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
2.3.1 P1, JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
2.3.2 P2, Expansion Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
2.3.3 P3, USB Port/JTAG Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.3.4 P4,P8,P7, I/O Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
2.3.5 P5,P9, Analog Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
2.3.6 P6, Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.3.7 Connector Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.4 eZdsp
TM
R2812 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
2.4.1 JP4, JP5, Voltage Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2.4.1.1 JP4, +3.3/5 Volts for P8, P4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
2.4.1.2 JP5, +3.3/5 Volts for P2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.5 Switch SW501 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.5.1 Switch SW501, Position 1, PLL Enable/Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
2.5.1 Switch SW501, Position 2, XMP/MCn Mode Select . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2.5.1 Switch SW501, Position 3, 4, Boot Mode Select . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
2.6 LEDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
2.7 Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
A eZdsp
Contains the schematics for the socketed and unsocketed versions of the eZdsp
B eZdsp
TM
R2812 Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
TM
R2812
TM
R2812 Mechanical Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Contains the mechanical information about the socketed and unsocketed versions of the eZdsp
R2812
TM
List of Figures
TM
Figure 1-1, Block Diagram eZdsp
Figure 2-1, eZdsp
Figure 2-2, eZdsp
Figure 2-3, eZdsp
TM
R2812 PCB Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
TM
R2812 Memory Space . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
TM
R2812 Connector and Switch Positions . . . . . . . . . . . . . . . . . . . . . . 2-6
R2812 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Figure 2-4, Connector P1 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Figure 2-5, Connector P2 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-8
Figure 2-6, Connector P4/P8/P7 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10
Figure 2-7, Connector P5/P9 Pin Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Figure 2-8, Connector P6 Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
Figure 2-9, eZdsp
Figure 2-10, eZdsp
TM
R2812 Power Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
TM
R2812 Voltage Jumper Positions (Bottom Side) . . . . . . . . . . . . . 2-16
Figure 2-11, JP4 Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Figure 2-12, JP5 Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Figure 2-13, SW501 Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
List of Tables
Table 2-1, External Chip Select and Usages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Table 2-2, External Memory Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
TM
Table 2-3, eZdsp
R2812 Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
Table 2-4, P1, JTAG Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-7
Table 2-5, P2, Expansion Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
Table 2-6, P4/P8, I/O Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
Table 2-7, P7, I/O Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-12
Table 2-8, P5/P9, Analog Interface Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
Table 2-9, Connector Part Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Table 2-10, eZdsp
TM
R2812 Jumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Table 2-11, JP4, +3.3/5 Volts for P8, P2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-17
Table 2-12, JP5, +3.3/ Volts for P4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
Table 2-13, Switch SW501 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Table 2-14, SW501, Position 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-19
Table 2-15, SW501, Position 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Table 2-16, SW501, Position 3, 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-20
Table 2-17, LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
Table 2-18, Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-21
About This Manual
This document describes board level operations of the eZdsp
Texas Instruments TMS320R2812 Digital Signal Processor.
The eZdsp
TM
R2812 is a stand-alone module permitting engineers and software
developers evaluation of certain characteristics of the TMS320R2812 DSP to
determine processor applicability to design requirements. Evaluators can create
software to execute onboard or expand the system in a variety of ways.
Notational Conventions
This document uses the following conventions.
The “eZdsp
TM
“eZdsp” will include the socketed or unsocket version
Program listings, program examples, and interactive displays are shown in a special
italic typeface. Here is a sample program listing.
equations
!rd = !strobe&rw;
Information About Cautions
TM
R2812 based on the
R2812” will sometimes be referred to as the “eZdsp”.
This book may contain cautions.
This is an example of a caution statement.
A caution statement describes a situation that could potentially damage your software,
hardware, or other equipment. The information in a caution is provided for your
protection. Please read each caution carefully.
Related Documents
Texas Instruments TMS320R28x DSP CPU and Instruction Set Reference Guide,
Texas Instruments TMS320R28x Assembly Language Tools Users Guide,
Texas Instruments TMS320R28x Optimizing C/C++ Compiler User’s Guide,
Texas Instruments Code Composer Studio Getting Started Guide,
literature #SPRU430
literature #SPRU513
literature #SPRU514
literature #SPRU509
Chapter 1
Introduction to the eZdsp
This chapter provides a description of the eZdspTM for the TMS320R2812
Digital Signal Processor, key features, and block diagram of the circuit
board.
Topic Page
1.0 Overview of the eZdspTM R2812 1-2
1.1 Key Features of the eZdsp
1.2 Functional Overview of the eZdsp
TM
R2812 1-2
TM
R2812 1-3
TM
R2812
1 -1
Spectrum Digital, Inc
1.0 Overview of the eZdspTM R2812
The eZdsp
TM
R2812 is a stand-alone card--allowing evaluators to examine the
TMS320R2812 digital signal processor (DSP) to determine if it meets their application
requirements. Furthermore, the module is an excellent platform to develop and run
software for the TMS320R2812 processor.
The eZdsp
TM
R2812 is shipped with a TMS320R2812 DSP. The eZdspTM R2812
allows full speed verification of R2812 code. Expansion connectors are provided
for any necessary evaluation circuitry not provided on the as shipped configuration.
To simplify code development and shorten debugging time, a C2000 Tools Code
Composer driver is provided. In addition, an onboard JTAG connector provides
interface to emulators, operating with other debuggers to provide assembly language
and ‘C’ high level language debug.
1.1 Key Features of the eZdsp
The eZdsp
TM
R2812 has the following features:
• TMS320R2812 Digital Signal Processor
• 150 MIPS operating speed
• 20K words on-chip zero wait state SARAM
• 64K words off-chip SRAM memory
TM
R2812
• 256K bits serial EEPROM memory
• 30 MHz. clock
• Expansion Connectors (memory, analog, I/O)
• Onboard IEEE 1149.1 JTAG Controller
• 5-volt only operation with supplied AC adapter
• TI R28xx Code Composer Studio tools driver
• On board USB JTAG emulation connector
1.2 Functional Overview of the eZdsp
TM
R2812
1-2 eZdspTM R2812 Technical Reference
Spectrum Digital, Inc
Figure 1-1 shows a block diagram of the basic configuration for the eZdspTM R2812.
The major interfaces of the eZdsp are the JTAG interface, and expansion interface.
A
N
A
L
O
CLOCK
USB PORT
CONTROLLER
EXTERNAL
JTAG
30 Mhz.
XTAL1/OSCIN
JTAG
TMS320R28xx
ANALOG TO
DIGITAL
CONVERTER
XZCS6AND7n
64K x 16
SRAM
G
E
X
P
A
N
S
I
O
N
I
/
O
E
X
P
A
N
S
I
O
N
Figure 1-1, BLOCK DIAGRAM eZdspTM R2812
1 -3
Spectrum Digital, Inc
1-4 eZdspTM R2812 Technical Reference
Chapter 2
Operation of the eZdsp
This chapter describes the operation of the eZdspTM R2812, key
interfaces and includes a circuit board outline.
TM
R2812
Topic Page
2.0 The eZdspTM R2812 Operation 2-2
TM
2.1 The eZdsp
2.1.1 Power Connector 2-3
2.2 eZdsp
2.2.1 Memory Map 2-4
2.2.2 External Memory Timing 2-5
2.3 eZdsp
2.3.1 P1, JTAG Interface 2-7
2.3.2 P2, Expansion Interface 2-8
2.3.3 P3, USB Port/JTAG Interface 2-10
2.3.4 P4,P8,P7, I/O Interface 2-10
2.3.5 P5,P9, Analog Interface 2-12
2.3.6 P6, Power Connector 2-14
2.3.7 Connector Part Numbers 2-15
2.4 eZdsp
2.4.1 JP4, JP5 Voltage Jumpers 2-16
2.4.1.1 JP4, +3.3/5 Volts for P8, P4 2-17
2.4.1.2 JP5, +3.3/5 Volts for P2 2-18
2.5 Switch SW501 2-19
2.5.1 Switch SW501, Position 1, PLL Enable/Disable 2-19
2.5.2 Switch SW501, Position 2, XMP/MCn Mode Select 2-20
2.5.3 Switch SW501, Position 3,4, Boot Mode Select 2-20
2.6 LEDs 2-21
2.7 Test Points 2-21
TM
TM
TM
R2812 Board 2-2
R2812 Memory 2-3
R2812 Connectors 2-6
R2812 Jumpers 2-15
2 -1
Spectrum Digital, Inc
2.0 The eZdspTM R2812 Operation
2.1 The eZdsp
This chapter describes the eZdsp
Information on the eZdsp’s various interfaces is also included. The eZdsp
TM
R2812, key components, and operation.
TM
R2812
consists of four major blocks of logic:
• Analog Interface Connector
• I/O Interface Connector
• JTAG Interface
• USB Port JTAG Controller Interface
TM
R2812 Board
The eZdsp
TM
R2812 is a 5.25 x 3.0 inch, multi-layered printed circuit board, powered
by an external 5-Volt only power supply. Figure 2-1 shows the layout of the top side
of the R2812 eZdsp.
Figure 2-1, eZdspTM R2812 PCB Outline
2-2 eZdsp
TM
R2812 Technical Reference
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