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Xilinx UG330 Spartan-3A FPGA Starter Kit Board User Guide, for Revision C Board R
Spartan-3A FPGA
Starter Kit Board User
Guide
For Revision C Board
UG330 (v1.3) June 21, 2007 Spartan-3A FPGA Starter Kit Board User Guide
www.xilinx.com
UG330 (v1.3) June 21, 2007
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Revision History
The following table shows the revision history for this document.

Date
Version
Revision
12/05/06
1.0
Initial release.
02/15/07
1.1
Updated to reflect production version of the board, including updated photographs.
04/15/07
1.2
Added additional detail to
Getting Started, page 13
. Added new section,
Operating
the Default Demonstration Design, page 15
. Added information on both Direct and
Indirect programming methods to
SPI Flash PROM Programming Options, page 97
.
Added sections on
Special Layout Recommendations, page 116
and
Improving
Revision C Board Performance beyond 266 Mbps, page 116
for the DDR2 SDRAM
interface. Added section on
Measuring Power Across Voltage Supply Jumpers, page
141
. Updated content throughout.
06/21/07
1.3
Updated to limit to Revision C board and refer to UG334 for Revision D board.
R Spartan-3A FPGA Starter Kit Board User Guide
www.xilinx.com
3
UG330 (v1.3) June 21, 2007
Preface: About This Guide
Acknowledgments
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Guide Contents
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Additional Resources
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Chapter 1: Introduction and Overview
Getting Started
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Operating the Default Demonstration Design
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
VGA Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Rotary Knob/Push-button Menu System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Select MultiBoot Configuration Image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Scroll or Rotate Graphic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Scroll or Scale Graphic. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Restart AutoPilot, Speaker Volume Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
LCD Screen Control Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Power-Saving Suspend Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
RS-232 Serial Port Control Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Key Components and Features
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Design Trade-Offs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Configuration Methods Galore! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Voltages for all Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Spartan-3A Starter Kit Design Examples
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Choose a Spartan-3 Generation Starter Kit Board for your Needs
. . . . . . . . . . . . . 23
Spartan-3A FPGA Features and Embedded Processing Functions . . . . . . . . . . . . . . . 23
Other Spartan-3 Generation Development Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Related Resources
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Chapter 2: Switches, Buttons, and Rotary Knob
Slide Switches
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Locations and Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
UCF Location Constraints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
SUSPEND Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Push-Button Switches
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Locations and Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
PROG_B Push-Button Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
IUCF Location Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Table of Contents 4
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Spartan-3A FPGA Starter Kit Board User Guide
UG330 (v1.3) June 21, 2007
R
Rotary Push-Button Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Locations and Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Push-Button Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Rot