Analog Devices 82-000805-01, EZ-Extender manual EZ-EXTENDER Hardware Reference, System Architecture

Page 19

2EZ-EXTENDER HARDWARE REFERENCE

This chapter describes the hardware design of the SHARC EZ-Extender. The following topics are covered.

“System Architecture” on page 2-1

Describes the configuration of the extender and explains how the board components interface with the processor and EZ-KIT Lite.

“DIP Switches and Jumpers” on page 2-3

Describes the function of the configuration DIP switches and jumpers.

System Architecture

A detailed block diagram of the SHARC EZ-Extenderis shown in Figure 2-1. Note that the arrow in the bidirectional driver symbols denotes the direction of the driver when in transmit mode. The bidirec- tional driver is in transmit mode when the direction pin is pulled high. Use the diagram in conjunction with information in “DIP Switches and Jumpers” on page 2-3section of this manual to configure your SHARC EZ-Extender.

Before using the SHARC EZ-Extender, familiarize yourself with the docu- mentation and schematics of the target board and the ADSP-21262 EZ-KIT Lite. For example, on the EZ-KIT Lite, it may be necessary to disable other devices on the parallel data access port (PDAP) or disable the push buttons.

SHARC EZ-Extender Manual

2-1

Image 19
Contents Sharc EZ-ExtenderManual Disclaimer Limited WarrantyTrademark and Service Mark Notice Copyright InformationRegulatory Compliance Sharc EZ-Extender Manual Contents Index Preface Purpose of This Manual Purpose of This ManualIntended Audience Manual ContentsTechnical or Customer Support What’s New in This ManualWhat’s New in This Manual Product Information Supported ProductsMyAnalog.com Related Documents Processor Product InformationProduct Information Related Processor Publications Each documentation file type is described as follows Online Technical DocumentationExample Description Notation ConventionsNotation Conventions ADC HSC Interface EZ-EXTENDER InterfacesBreadboard Area Breadboard AreaSystem Architecture EZ-EXTENDER Hardware ReferenceSystem Architecture Direction/Clock Source Control Switch SW1 DIP Switches and JumpersEZ-Extender Hardware Reference SW1 Position DAIP15GP1 Direction DAIP16GP2 Direction DIP Switches and JumpersMiso Disconnect Jumper P6 SMA Connector Clock Disconnect Jumper P10DIP Switches and Jumpers EZ-EXTENDER Bill of Materials RJ45 8PIN Tyco ADSP-21262 EZ-Extender IDC23X2 P1A P1BFLAG1SPICS DAIP1PDAPHOLD Mosi P2AIDC23X2 DAIP15GP1 Miso DAIP1PDAPHOLD Mosi P2BP3B P3AEXPCS1 AD3C Txclk AD0CAD1C AD2CSMA SJ2 SOIC20 Shorting Jumper DEFAULT=NOT Installed1OE/NC OUT DIP8SOCTP8 TP5TP6 TP7Index Index