ARM 硬件参考指南 TDMI HW 1 Introduction 1-1 1.1 Using this Manual 1-2 1.2 Conventions 1-2 1.3 Useful Contacts 1-3 1.4 Glossary 1-4 2 Board Overview 2-1 2.1 Overview of the ARM Development Board 2-2 2.2 An Overview of the Board 2-3 3 Circuit Descr iptions