Analog Devices BlackfinSHARC USB EZExtender Manual Rev 11

Blackfin/SHARC USB EZ-Extender Manual xi Preface
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Supported Products
xii Blackfin/SHARC USB EZ-Extender Manual  Send questions by mail to:
Processors and DSP Technical Support
Analog Devices, Inc.
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P.O. Box 9106
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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.
Product Information
Product information can be obtained from the Analog Devices Web site 
and the online help.
Analog Devices Web...

Blackfin/SHARC USB EZ-Extender Manual   xiii Preface
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Related Documents
  xiv Blackfin/SHARC USB EZ-Extender Manual
Related Documents
For additional information about the product, refer to the following 
publications.
Table 1. Related Processor Publications
Title Description
ADSP-BF512/ADSP-BF514/ADSP-BF516/ 
ADSP-BF518(F) Blackfin Embedded 
Processor Data Sheet
ADSP-BF522/ADSP-BF523/ADSP-BF524/ 
ADSP-BF525/ADSP-BF526/ADSP-BF527 
Blackfin Embedded Processor Data Sheet
ADSP-21467/ADSP-21469 SHARC Processor 
Data SheetGeneral functional description, pinout,...

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 1-1
“USB 2.0 Interface” on page 1-2
Blackfin/SHARC USB EZ-Extender Setup
It is very important to set up all components of the...

USB 2.0 Interface
1-2 Blackfin/SHARC USB EZ-Extender Manual4. 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...

Blackfin/SHARC USB EZ-Extender Manual 1-3 Blackfin/SHARC USB EZ-Extender Interfaces
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 readme text files in the 
Examples folder of the...

USB 2.0 Interface
1-4 Blackfin/SHARC USB EZ-Extender Manual 

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 2-2
Describes the on-board configuration jumpers. 

System Architecture
2-2 Blackfin/SHARC USB EZ-Extender Manual
System Architecture
A block diagram of the Blackfin/SHARC USB EZ-Extender is shown in 
Figure 2-1.
Jumper Settings
Before using the Blackfin/SHARC USB EZ-Extender, follow the setup 
procedure in “Blackfin/SHARC USB EZ-Extender Setup” on page 1-1.
Figure 2-2 shows the locations of all jumper headers. A two-pin jumper 
can be placed on the respective jumper header for different functionality. 
The following sections describe all possible jumper...