文件名称:lesson7
介绍说明－－下载内容均来自于网络，请自行研究使用
基于51单片机的按键控制跑秒计时器，包含启动，归零，暂停功能-MCS-51 timer counter
(系统自动生成,下载前可以参看下载内容)
下载文件列表
lesson7
.......\Last Loaded lesson7.DBK
.......\Last Loaded lesson7_1.DBK
.......\Last Loaded lesson7_test.DBK
.......\lesson7.DSN
.......\lesson7.PWI
.......\lesson7_1.DSN
.......\lesson7_1.PWI
.......\lesson7_old.DSN
.......\lesson7_test.DSN
.......\lesson7_test.PWI
.......\project
.......\.......\ExtDll.iex
.......\.......\STARTUP.A51
.......\.......\STARTUP.LST
.......\.......\STARTUP.OBJ
.......\.......\lesson7
.......\.......\lesson7.M51
.......\.......\lesson7.hex
.......\.......\lesson7.lnp
.......\.......\lesson7.lst
.......\.......\lesson7.obj
.......\.......\lesson7.plg
.......\.......\lesson7.uvgui.Administrator
.......\.......\lesson7.uvgui_Administrator.bak
.......\.......\lesson7.uvopt
.......\.......\lesson7.uvproj
.......\.......\lesson7_uvopt.bak
.......\.......\lesson7_uvproj.bak
.......\sourcegroup
.......\...........\lesson7.c