User manual

Low-power Application Kit (Oryx) - User’s Guide
Page 3
Copyright 2012 © Embedded Artists AB
Table of Contents
1 Document Revision History 5
2 Introduction 6
2.1 Features 6
2.2 ESD Precaution 7
2.3 General Handling Care 7
2.4 Code Read Protection 7
2.5 Other Products from Embedded Artists 7
2.5.1 Design and Production Services 7
2.5.2 OEM / Education / QuickStart Boards and Kits 8
3 The Low-power Application Board Design 9
3.1 Block Diagram 9
3.2 Board Overview 10
3.3 Usage of CPU Pins 10
3.4 Schematic Walkthrough 12
3.4.1 Page 2 12
3.4.2 Page 3 12
3.4.3 Page 4 13
3.4.4 Page 5 13
3.4.5 Page 6 14
3.4.6 Page 7 15
3.4.7 Page 8-10 15
3.5 Things to Note about the Hardware 15
3.5.1 Trimming Potentiometer 15
3.5.2 Lithium Battery 15
4 Getting Started 16
4.1 Important Note about Lithium Battery 16
4.2 Demo Application 16
4.3 Compiling the Demo Application 17
4.4 Program Download 19
4.5 Default Jumper Positions 24
5 Software Techniques for Low-power Design 25
5.1 LPC11U37 Operating Modes 25
5.1.1 Low-Power Modes and Debugging 26
5.2 Typical Software Architecture for Low-Power 27
5.3 The Board Current Consumption 27
5.3.1 The Board Low-Power Modes 27
5.3.2 LCD 27
5.3.3 Real-Time Clock 28
5.3.4 SPI Flash 28