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目 录 引言 一、明确待设计系统的功能要求················································································ 1 paper51.com 1.1 要实现的功能·································································································· 1 http://www.paper51.com
1.2 系统的逻辑功能······························································································ 1 copyright paper51.com
二、方案论证············································································································ 1 paper51.com 2.1 显示部分:········································································································ 1 http://www.paper51.com 2.2 加数减数部分以及清零部分············································································· 1 http://www.paper51.com 三、总体方案············································································································ 1 copyright paper51.com 3.1 工作原理:········································································································ 1 http://www.paper51.com
3.2 电路原理图:····································································································· 2 paper51.com 四、系统的设计········································································································ 2 copyright paper51.com 4.1器件的选定······································································································ 2 paper51.com 4.2单元电路设计及分析························································································ 2 http://www.paper51.com 4.3 系统逻辑电路图······························································································ 5 http://www.paper51.com
4.4工作时的逻辑状态分析····················································································· 5 内容来自www.paper51.com 五、数字电路设计中应注重的问题············································································ 6 paper51.com
5.1检查实验集成芯片的好坏以及线路的好坏························································ 6 copyright paper51.com
5.2损坏集成芯片的主要原因················································································· 6 paper51.com 5.3合理布置连接是减少接线错误的有力措施························································· 6 copyright paper51.com
六、连接调试（线路的连接，焊接过程）·································································· 6 copyright paper51.com 七、设计总结············································································································ 7 paper51.com 参考文献 copyright paper51.com 致谢 http://www.paper51.com 引言 http://www.paper51.com 篮球计分显示系统应用于篮球比赛场合。在篮球比赛中，为了知道比赛的两个队伍的得分情况，必须要有一个显示系统来完成这个任务。如果在篮球比赛中，靠人来翻记分牌显示比赛的得分情况，显得很不方便，重要的是它不能放在便于显示且又容易翻动分数的地方。而篮球记分显示系统使用电子显示的方法，可以将其放到便于显示的地方，而且操作起来比较方便。在本文中将结合所学数字逻辑的基础，用清华大学科教仪器厂生产的TPE-D3试验箱实现一个简单的篮球记分显示系统的制作。 http://www.paper51.com 一、明确待设计系统的功能要求 http://www.paper51.com 1.1 要实现的功能 内容来自www.paper51.com 1．分别记录两队得分情况； 内容来自www.paper51.com
2．进球得分加2分 或3分，罚球进球得分加1分； copyright paper51.com 3．纠正错判得分减2分或1分； 内容来自论文无忧网 www.paper51.com 4．分别用三个数码管显示器记录两队的得分情况 copyright paper51.com
当篮球比赛开始时，显示器上显示零比零的比分，一旦进球，记录员可以安加分按钮（1分，2分，3分）进行加分，要是分数加错，还可以按减分按钮（1分，2分）进行减分。 内容来自www.paper51.com |