目录摘要.............................................................................................................IABSTRACT..............................................................................................II1概述.........................................................................................................12系统整体方案设计.................................................................................12.1主控制器方案......................................................................................22.2显示方案..............................................................................................33系统电路设计.........................................................................................33.1主控制器电路......................................................................................33.2显示电路..............................................................................................43.3按键电路..............................................................................................53.4提示电路..............................................................................................64系统软件设计.........................................................................................74.1软件整体设计......................................................................................74.2显示软件设计......................................................................................84.3篮球计分软件设计..............................................................................95系统仿真...............................................................................................105.1仿真设计电路图................................................................................105.2液晶显示............................................................................................115.3系统启动仿真....................................................................................125.4系统比赛分数控制仿真....................................................................125.5实物测试............................................................................................13总结..........................................................................................................14参考文献..................................................................................................15致谢..........................................................................................................16附录..........................................................................................................17摘要篮球比赛是根据运动队员在规定的比赛时间里得分多少来决定胜负的,因此,篮球比赛的计时计分系统是属于体育比赛计时计分系统中一种得分类型的系统。课题为篮球比赛计时计分系统。项目选取STC89C52控制器完成核心工作,系统能够完成对整个篮球比赛的时间控制、比分控制,能够应用按键设置比赛比分,控制比赛时间,对篮球比赛的任何数据进行设置。显示选择2组3位、1组4位、1组2位一体式的数码管,1组4位显示比赛倒计时,2组3位分别显示两队比分,1组2位显示24秒倒计时。选取C语言实现代码开发,选取Keil工具实现代码开发运行。代码开发结束选取Proteus环境完成功能验证。不断优化,完成设计。关键词:计分器;数码管;Proteus;篮球比赛计时ABSTRACTThebasketballgameisdeterminedaccordingtohowmuchthesportsteamscoresinthespecifiedgametime.Therefore,theti...