1、 毕业论文(设计)毕业论文(设计) 题题 目:目: 篮球赛计时计分器篮球赛计时计分器 系部名称:系部名称: 专业班级:专业班级: 学生姓名:学生姓名: 学学 号:号: 指导教师:指导教师: 教师职称:教师职称: 20 年年 0 月月日日 I 摘摘 要要 篮球比赛计时计分器是为了解决篮球比赛时计分与计时准确的问题。此装置 利用单片机 AT89C51 完成了计时和计分的功能。 本文详细地介绍了系统硬件与软件的设计过程, 采用单片机 AT89C51 作为本 设计的核心设计, 系统硬件电路由以下几个部分组成: 单片机 AT89C51;计时电路; 计分电路;报警电路;按键开关。在软件设计中,所有的程序都
2、固化于 FLASH 中,用来存贮保存时间、分数等值。其主程序的主要功能有:系统初始化与初始 工作状态设置,工作功能的判别、随时显示数值等。 该系统具有赛程定时设置,赛程时间暂停,及时刷新甲、乙双方的成绩以及 赛后成绩暂存等功能。它具有价格低廉,性能稳定,操作方便并且易于携带等特 点。广泛适合各类学校或者小型团体作为赛程计时计分。 关键词关键词:单片机,计时器,计分器 II The Design Of Timer And Scoring Device In Basketball Game Abstract Timer and scoring device in basketball game i
3、s the time to address basketball game scoring exactly and the problem with the timing. The device is completed timing and scoring functions by using AT89C51 microcontroller . This paper introduces the hardware and software design process, using AT89C51 microcontroller core design as the design of th
4、e system hardware consists of the following components: microcontroller AT89C51; timing circuit; scoring circuit; alarm circuit; button switch. In software design, all the procedures are cured in the FLASH, used to store the storage time, score equivalent. The main programs main features are: system initialization to set the initial working conditions, work function of the judge, ready to display values and so on. The system has set the schedule time, schedule time to pause