User manual

Display Expansion Board - User’s Guide
Page 3
Copyright 2012 © Embedded Artists AB
Table of Contents
1 Document Revision History 4
2 Introduction 5
2.1 Features 5
2.2 ESD Precaution 5
2.3 General Handling Care and Usage 6
2.4 CE Assessment 6
2.5 Other Products from Embedded Artists 6
2.5.1 Design and Production Services 6
2.5.2 OEM / Education / QuickStart Boards and Developer’s Kits 6
3 Getting Started 7
3.1 Selecting Video Resolution 7
3.2 Mounting 7
3.3 Power Consumption 8
4 Display Expansion Board Design 9
4.1 Block Diagram 9
4.2 Schematic Walkthrough 9
4.2.1 Page 2 9
4.2.2 Page 3 10
4.2.3 Page 4 10
4.2.4 Page 5 10
4.2.5 Page 6 10
4.2.6 Page 7 10
4.3 Interface Connector Pinning 10
4.4 Pixel Clocks 13
4.5 Things to Note 13
4.5.1 VGA output does not work without fixed frequency oscillator 13
4.5.2 36MHz Pixel Clock Limitations 13
4.5.3 Limited Driver Functionality for TDA19988 14
4.5.4 Picture on Monitors and TV:s 14
4.5.5 Usage - Evaluation 14
4.6 Software Driver 14
4.6.1 Settings for VGA (640x400 px, 60Hz) 15
4.6.2 Settings for SVGA (800x600 px, 56Hz) 15
4.6.3 Settings for 480p (720x480 px, 60Hz) 16
4.6.4 Settings for SVGA (720x576 px, 50Hz) 16
5 Further Information 17