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目 录 设计任务与说明书···································1 1.1 设计题目··············································1 1.2 设计目标··············································1 1.3 设计任务··············································1 总体方案设计与方案论证····························2 2.1 总体方案··············································2 2.2 方案论证··············································3 总体软件设计及数据总流程图························4 3.1 总体软件设计··········································4 3.2 总流程图··············································4 系统资源分配及数据定义说明························6 4.1 系统资源分配··········································6 4.2 数据定义说明··········································6 局部程序设计说明··································7 5.1 总初始化··············································7 5.2 主流程················································10 5.3 拆字程序··············································11 5.4 显示更新程序··········································13 5.5 整点报时设定子程序····································14 5.6 闹钟模式及调用DDD响铃方式子程序······················16 5.7 键盘扫描子程序········································19 5.8 按键滚存消抖子程序····································20 5.9按键音子程序···········································21 5.10 时钟调校设定子程序···································21 5.11 闪烁子程序···········································22 5.12 确定，取消，退格键设定子程序·························23 5.13 闹钟设定子程序·······································24 5.14 30S无操作退出子程序·································25 5.15 LD0表示闹铃开关子程序·······························25 系统功能与用户操作使用说明························26 6.1 系统功能·············································26 6.2 用户操作使用说明·····································26 课程设计总结······································27 附录：源程序清单··········································29 第一章 设计目标与任务 1.1 设计题目 带解题功能的数值闹钟控制程序的设计 1.2 设计目的 通过小型微机应用产品的设计带解题功能的数字闹钟控制程序设计与调试过程，将《微机原理及接口技术》课程所学的基本知识应用与实际实践中，进而达到理解、巩固和提高，使之升华。学习掌握工程实际实践的分析与解决实际问题的方法与手段，提高设计、编程与调试的实际动手能力，为以后在工程技术的工作进行了一次基本训练。 1.3 设计任务 数字闹钟的闹铃功能在数字手表、以及手机、电脑、数
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