ARM DUI 0447J
Copyright © 2009-2014, ARM. All rights reserved.
iv
ID052914
Non-Confidential
Contents
ARM Motherboard Express µATX Technical
Reference Manual
Preface
About this book .......................................................................................................... vii
Feedback .................................................................................................................... xi
Chapter 1
Introduction
1.1
About the Motherboard Express µATX .................................................................... 1-2
1.2
Precautions .............................................................................................................. 1-5
Chapter 2
Hardware Description
2.1
Motherboard architecture and buses ....................................................................... 2-2
2.2
Power up, on/off and reset signals .......................................................................... 2-6
2.3
Clock architecture .................................................................................................... 2-9
2.4
Power ..................................................................................................................... 2-11
2.5
Peripherals and interfaces on the motherboard ..................................................... 2-12
2.6
Interrupt signals ..................................................................................................... 2-18
2.7
DMA signals ........................................................................................................... 2-20
2.8
JTAG and test connectors ..................................................................................... 2-21
Chapter 3
Configuration
3.1
Configuration environment ....................................................................................... 3-2
Chapter 4
Programmers Model
4.1
About this programmers model ................................................................................ 4-2
4.2
Memory maps .......................................................................................................... 4-3
4.3
Register summary .................................................................................................... 4-8
4.4
Register descriptions ............................................................................................. 4-10