从20世纪中叶到21世纪初，电子系统的设计经历了手工设计、计算机辅助设计、计算机辅助工程设计及电子设计自动化四个阶段。而电子设计自动化(EDA)技术的发展更是给电子系统设计带来了革命性的变化。而将EDA技术引入高等职业技术教育的电子类教学中是编写此书的目的。
本书着重介绍运用EDA技术进行电子系统设计的有关知识和相关EDA工具的应用，即如何应用EDA工具完成电路设计、印制电路板设计、数字电路设计方法；
用可编程逻辑器件进行数字系统设计、仿真和测试；
以及在系统可编程模拟器件的应用，从而对EDA技术有一个较全面的了解。
本书第一、二、三章介绍如何应用EDA工具完成电路原理图设计、印制电路板设计。目前已有很多CAD软件可以辅助进行印制电路板的设计，如ORCAD等，在此选择目前广泛使用的Protel 99SE来进行学习。第四、五、六、七、八章介绍应用EDA工具对可编程逻辑器件进行设计，包括数字电路设计方法、可编程逻辑器件、VHDL语言、EDA开发工具使用、可编程模拟器件及应用，此部分内容在编写时分别介绍了Altera公司的MAX+plusⅡ、Lattice公司的ispDesignExpert两种较新的开发系统软件，并介绍了新型的模拟可编程逻辑器件(PAC)及其开发工具，读者可以根据需要选择某一种或几种同时学习，编写时重点突出了开发工具的使用方法和应用实例，即突出了实用性和操作性。
本书可以作为电子技术的加深课程或作为电子技术工程师参考用书。
本书的读者是大学在读的大学生、电子技术工程技术人员。
在本书的编写过程中，得到了南京伟福实业有限公司葛士忠工程师的大力帮助在此特别表示对他的致谢，此外还得到了同事、朋友的大力支持，在此也一并向他们表示感谢。
由于EDA技术发展快，更新快，加之作者水平有限，时间仓促，疏漏或错误之处，敬请读者批评指正。加之由于时间仓促、资料缺乏，有错误之处请读者原谅。
编者 2005年4月 目 录 第一章 EDA技术概述 ························································································· 1 第一节 EDA技术的发展····················································································1 第二节 EDA技术的基本特征············································································1 第三节 EDA技术的基本设计方法····································································7 第二章 可编程逻辑器件 ·····················································································11 第一节 概述 ·····································································································11 第二节 可编程逻辑器件简介···········································································12 第三章 VHDL硬件描述语言···············································································19 第一节 学好VHDL的重要性··································.··········································19 第二节 VHDL语言·················································.············································20 第四章 MAX+plus II开发环境应用简介····························································75 第一节 概述·······································································································75 第二节 Max+plusⅡ功能简介···········································································75 第三节 Max+plusⅡ设计过程···········································································77 第五章 实验系统的硬件结构···············································································81 第一节 总体结构 ·····························································································83 第二节 外部设备 ·····························································································85 第三节 FPGA/EPLD适配板 ·········································································· 88 第四节 实验系统模式选 ··················································································90 第五节 逻辑分析仪 ··························································································90 第六节 实验系统的自检 ··················································································90 第六章 伟福EDA2000调试软件使用 ································································93 第七章 EDA实验与课程设计··············································································105 第一节 原理图输入实验···················································································105 实验一 3-8译码器 ·······················································································105 实验二 组合逻辑电路设计 ··········································································119 第二节 VHDL硬件描述语言实验····································································122 实验一 1位全加器 ·······················································································122 实验二 2选1多路选择器 ············································································123 实验三 8位硬件加法器 ···············································································123 实验四 7段数码显示译码器 ·······································································124 实验五 8位串入并出寄存器 ·······································································125 实验六 8位并入串出寄存器 ·······················································.···············126 实验七 译码扫描显示电路设计 ··································································127 实验八 用状态机实现ADC0809的采样控制电路 ·································128 实验九 硬件电子琴电路设计 ····································································130 实验十 秒表 ································································································133 第三节 课程设计课题······················································································137 课题一 交通灯······························································································137 课题二 具有整点报时的数字钟···········································································139 第一章EDA技术概述 人类社会已进入到高度发达的信息化社会，信息社会的发展离不开电子产品的进步。
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