2019 年基于单片机的多功能秒表课程设计 83327933
目 录
1 设计概述...................................................................................1
1.1 设计目的.........................................................................1
1.2 设计要求.........................................................................1
1.3 设计意义.........................................................................1
2 系统总体方案及硬件设计......................................................2
2.1 系统总体方案 ................................................................2
2.2 硬件设计.........................................................................2
2.3 时钟电路.........................................................................3
2.4 复位电路.........................................................................4
2.5 按键电路.........................................................................5
2.6 显示电路.........................................................................6
3 软件设计...................................................................................7
3.1 设计思路.........................................................................7
3.2 程序流程框图设计........................................................7
4 PROTEUS 软件仿真................................................................9
5 课程设计体会.........................................................................10
参考文献 .....................................................................................12
附录 1：总体电路原理图 .........................................................13
