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第1章 概述 本章简要介绍了 Cortex-M3 处理器和指令集，包含以下内容：

iii Preface ..............................................................................................................xiv Acknowledgments ..............................................................................................xv Terms and Abbreviations ...................................................................................xvi Conventions .................................................................................................... xviii References .........................................................................................................xix Chapter 1 – Introduction ...................................................................................... 1 What Is the ARM Cortex-M3 Processor? ............................................................................1 Background of ARM and ARM Architecture ......................................................................3 A Brief History ..............................................................................................................3 Architecture Versions .....................................................................................................4 Processor Naming ..........................................................................................................6 Instruction Set Development ................................................................................................8 The Thumb-2 Instruction Set Architecture (ISA) ................................................................9 Cortex-M3 Processor Applications ....................................................................................10 Organization of This Book .................................................................................................11 Further Readings ................................................................................................................11 Chapter 2 – Overview of the Cortex-M3 .............................................................. 13 Fundamentals ......................................................................................................................13 Registers .............................................................................................................................14 R0 to R12: General-Purpose Registers ........................................................................14 R13: Stack Pointers ......................................................................................................14 R14: The Link Register ................................................................................................15 R15: The Program Counter ..........................................................................................15 Special Registers ..........................................................................................................15 Operation Modes ................................................................................................................16 The Built-In Nested Vectored Interrupt Controller ............................................................17 Nested Interrupt Support ..............................................................................................18 Vectored Interrupt Support ...........................................................................................18 Dynamic Priority Changes Support .............................................................................18 Reduction of Interrupt Latency ....................................................................................18 Interrupt Masking ........................................................................................................18 v

将电子产品抽象成一个硬件的模型,大约有以下组成： 1) 输入 2) 处理核心 3) 输出 输入基本上有以下的可能： 1) 键盘 2) 串行接口（RS232/485/can bus/以太网/USB） 3) 开关量（TTL,电流环路,干接点） 4) 模拟量（4~20ma、 0~10ma、0~5V（平衡和非平衡信号）） 输出基本上有以下组成： 1) 串行接口（RS232/485/can bus/以太网/USB） 2) 开关量（TTL、电流环路、干接点、功率驱动） 3) 模拟量（4~20ma, 0~10ma,0~5V（平衡和非平衡信号）） 4) LED显示：发光管、八字 5) 液晶显示器 6) 蜂鸣器 处

第一章单片机基础................................................................................................................5 1.1. 什么是单片机..........................................................................................................5 1.2. 单片机是如何工作的...............................................................................................7 1.3. 单片机与电脑的区别............................................................................................. 11 1.4. 晶振......................................................................................................................13 1.5. 系统时钟和周期....................................................................................................14 1.6. 单片机指令和汇编语言..........................................................................................17 1.7. RAM/ROM 的作用.....................................................................................................23 1.8. 单片机接口...........................................................................................................25 1.9. 接口驱动能力........................................................................................................31 1.10. 方便实用的中断....................................................................................................31 1.11. 函数和堆栈...........................................................................................................44 1.12. 单片机PAGE/BANK 概念..........................................................................................47 1.13. CISC 与RISC .........................................................................................................49 1.14. 为什么DSP 跑得快.................................................................................................51 1.15. 单片机产品开发常见用语......................................................................................53 第二章单片机应用小技巧....................................................................................................58 2.1. 用 IO 模拟接口..

马忠梅著第一章单片机基础知识 1.1 8051 单片机的特点 1.2 8051 的内部结构 1.3 8051 的系统扩展 1.4 8051 指令系统 1.5 实用程序设计 习题一 第二章 C 与8051 2.1 8051 的编程语言 2.2 Cx51 编译器 2.3 KEIL 8051 开发工具 2.4 DEIL Cx51 编程实例 2.5 Cx51 程序结构 习题二 第三章 Cx51 数据与运算 3.1 数据与数据类型 3.2 常量与变量 3.3 Cx51 数据的存储类型与8051 存储器结构 3.4 8051 特殊功能寄存器(SFR)及其Cx51 定义 3.5 8051 并行接口及其Cx51 定义 3.6 位变量(BIT)及其Cx51 定义 3.7 Cx51 运算符.表达式及其规则 ·······