基于单片机的计数器设计.pdf
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湖南科技大学
单片机课程设计
题目基于单片机的计数器设计
姓名李建雄
学院机电工程学院
专业测控技术与仪器
学号
指导教师戴巨川
成绩
二〇一二年六月二日
摘要
本设计是根据我们所学习的单片机课程,按照课程要求进行的课程检验。单片
机技术是一个不可或缺的技术,尤其是对于我们测控技术与仪器专业来说它是我
们必须要掌握的技能之一,使我们未来工作和生活的根本。现在的社会是一个信
息科技高速发展的社会,也是一个电子技术和微机计算机迅速发展的时代,单片
机的档次和水平在不断的提高,其应用的领域和范围也越来越广,成为现代电子
系统中最重要的智能化核心部分。
随着计数器技术的不断发展与进步,计数器的种类越来越多,应用的范围越
来越广,随之而来的竞争也越来越激烈。过硬的技术也成为众多生产厂商竞争的
焦点之一。厂商为了在竞争中处于不败之地,从而不断地改进技术,增加产品的
种类。
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现计数器的种类以增加到:电磁计数器、电子计数器、机械计数器(拉动机
械计数器、转动机械计数器、按动机械计数器、测长机械计数器)、液晶计数器等。
计数器的应用范围也遍布印刷、纺织、印染、针织、电缆、电讯、军工、轻
工、机械、开关、断路器、矿山、实行多班制的纺织行业的织布机、织带机、制
线、制带、造纸、制革、薄膜、高压开关电器产品、试验设备,印刷设备、短路
器、医疗、纺织、机械、仓库和码头的货运、行人及车辆过往的数量计数、冶金、
食品、国防、包装、配料、石油、化工、发电、机床、仪表、自动化控制等行业。
目录
第一章系统的功能要求···············································4
1.1系统设计的要求及主要内容应解决的问题···························4
第二章方案论证·····················································4
2.1设计方案选择···················································4
2.2设计原理························································5
第三章系统硬件电路设计·············································6
3.1最小系统设计···················································6
3.2原理图·························································9
3.3电路仿真······················································10
第四章系统程序设计················································12
4.1系统软件设计流程图·············································12
4.2程序···························································13
第五章调试及性能分析··············································14