Operating The Default Demonstration Design; Vga Display; Rotary Knob/Push-Button Menu System - Xilinx Spartan-3A User Manual

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Operating the Default Demonstration Design

The demonstration design programmed onto the Spartan-3A/3AN Starter Kit board
provides various output information, depending on what I/O or display devices are
connected. The VGA and audio ports provide the richest experience.

VGA Display

If a VGA display is connected to the board, then the Starter Kit board displays graphics
similar to that shown in
Until one of the four push buttons around the rotary knob
the display automatically rotates a graphic image and zooms in and out around the image.
This is called "AutoPilot" mode. A brief text overview describing the board appears along
the left edge. Blue text at the bottom of the screen presents the menu system.

Rotary Knob/Push-Button Menu System

The Spartan-3A/3AN Starter Kit board demonstration design uses the rotary knob and
surrounding push-button switches, shown in
system. The menu display appears in blue text at the bottom of the VGA output. The menu
functions are highlighted in
Spartan-3A/3AN Starter Kit Board User Guide
UG334 (v1.0) May 28, 2007
Figure
Text Description
Rotary/Push-Button Menu System
Figure 1-3: Rotating/Zooming Graphics, Menu System Displayed on VGA Screen
www.xilinx.com
Operating the Default Demonstration Design
1-3.
Rotating and Zooming Graphics
Figure 2-5, page
Table 1-1 and Figure 1-4.
(Figure 2-5, page 27) is pressed,
UG330_c1_03_032207
27, to implement a menu
15