LCD Board
- User’s Guide
Copyright 2012 © Embedded Artists AB
LCD Board
Get Up-and-Running Quickly and
Start Developing Your Application On Day 1!
EA2-USG-1105 Rev A
LCD Board - User’s Guide
Page 2
Embedded Artists AB
Davidshallsgatan 16
211 45 Malmö
Sweden
info@EmbeddedArtists.com
http://www.EmbeddedArtists.com
Copyright 2011-2012 © Embedded Artists AB. All rights reserved.
No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or
translated into any language or computer language, in any form or by any means, electronic,
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Embedded Artists AB.
Disclaimer
Embedded Artists AB makes no representation or warranties with respect to the contents hereof and
specifically disclaim any implied warranties or merchantability or fitness for any particular purpose.
Information in this publication is subject to change without notice and does not represent a
commitment on the part of Embedded Artists AB.
Feedback
We appreciate any feedback you may have for improvements on this document. Please send your
comments to
support@EmbeddedArtists.com.
Trademarks
All brand and product names mentioned herein are trademarks, services marks, registered
trademarks, or registered service marks of their respective owners and should be treated as such.
Copyright 2012 © Embedded Artists AB
LCD Board - User’s Guide
Page 3
Table of Contents
1 Document Revision History
2 Introduction
2.1
2.2
2.3
2.4
2.4.1
2.4.2
Features
ESD Precaution
General Handling Care and Usage
Other Products from Embedded Artists
Design and Production Services
OEM / Education / QuickStart Boards and Developer’s Kits
4
5
5
5
5
5
6
6
3 Getting Started
3.1
3.2
3.3
3.3.1
3.3.2
3.4
Selecting Display Resolution
Mounting
Power Consumption
Power consumption of 4.3 inch LCD (EA-LCD-004)
Power consumption of 7.0 inch LCD (EA-LCD-006)
Usage - Evaluation
7
7
7
8
8
8
8
4 LCD Board Design
4.1
4.2
4.2.1
4.2.2
4.2.3
4.2.4
4.2.5
4.3
4.4
4.4.1
4.4.2
Block Diagram
Schematic Walkthrough
Page 2
Page 3
Page 4
Page 5
Page 6
Interface Connector Pinning
Software Driver
Note about 4.3 inch LCD (EA-LCD-004)
Note about 7.0 inch LCD (EA-LCD-006)
9
9
9
9
10
10
10
10
10
13
13
14
5 Further Information
15
Copyright 2012 © Embedded Artists AB
LCD Board - User’s Guide
Page 4
1 Document Revision History
Revision
A
B
Date
2011-09-29
2012-02-13
Description
First released version.
Added description about LCD controller settings for LPC processors.
Copyright 2012 © Embedded Artists AB
LCD Board - User’s Guide
Page 5
2 Introduction
Thank you for buying the
LCD Board
from Embedded Artists. The board makes it possible for you to
get started with graphical user interface development immediately. The board directly interfaces the
OEM Base Board
(also from Embedded Artists) and can be mounted with forming a compact unit.
2.1
Features
Parallel RGB interface, 16-bit color depth (or 12-bit).
Resistive touch screen controller
I2C-e2prom with configuration parameters
Controller can read which LCD is connected and initialize the LCD controller and control
the LCD board accordingly.
The features of the
LCD Board
are:
Supply voltage sequence control for LCD via I2C-GPIO
Back light control, including dimming, via I2C-GPIO
50-pos (2x25) IDC interface connector
Powered via interface connector
3.3V and 5V required
Compact size: 165 x 150 mm
Simple mounting together with
OEM Base Board
2.2
ESD Precaution
Please note that the
LCD Board
comes without any case/box and all
components are exposed for finger touches – and therefore extra attention must
be paid to ESD (electrostatic discharge) precaution.
Make it a habit always to first touch the metal surface of one of the USB
connectors on the OEM Base Board (which the LCD Board is mounted on)
for a few seconds with both hands before touching any other parts of the
boards.
That way, you will have the same potential as the board and therefore
minimize the risk for ESD.
Note that Embedded Artists does not replace boards that have been damaged by ESD.
2.3
General Handling Care and Usage
Handle the
LCD Board
with care. The board is not mounted in a protective case/box and is not
designed for rough physical handling. Connectors can ware out after excessive use.
The board is
designed for evaluation and prototyping use, and not for integration into consumer or industrial
end-products.
Do not exercise pressure on the display glass area or the flex cable connecting the display to the pcb.
That will damage the display.
Note that Embedded Artists does not replace boards where the LCD has been improperly
handled.
2.4
Other Products from Embedded Artists
Embedded Artists have a broad range of LPC1000/2000/3000/4000 based boards that are very low
cost and developed for prototyping / development as well as for OEM applications. Modifications for
Copyright 2012 © Embedded Artists AB
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