目录1 绪论 ...................................................................................51.设 1 计内容 ........................................................................51.设 2 计要求 ........................................................................52 系统设计 ...............................................................................52.1 模块划分 .........................................................................52.1 系统原理框图 .....................................................................53 功能模块的实现 .........................................................................63.时 1 序电路 ........................................................................63.密 2 码设置 ........................................................................73.密 3 码输入 ........................................................................73.密 4 码验证 ........................................................................84 软件仿真 ...............................................................................95 数字逻辑系统简介 ......................................................................105.1 Quar 软 t 件 u 简 s 介 ...I. .I.......................................................105.硬 2 件描述语言 ...................................................................115.2V.H1D 语 L 言 ................................................................115.2V.e2ri 语 l 言 o .g............................................................126 结论 .................................................................................13附录 ...................................................................................141 时序电路 ..............................................................................142 密码设置输入 ..........................................................................163 密码验证 ...............................................................
