文件名称:9999-2012-5-5-24
- 所属分类:
- 单片机(51,AVR,MSP430等)
- 资源属性:
- [C/C++] [源码]
- 上传时间:
- 2012-11-26
- 文件大小:
- 49kb
- 下载次数:
- 0次
- 提 供 者:
- 梁**
- 相关连接:
- 无
- 下载说明:
- 别用迅雷下载,失败请重下,重下不扣分!
介绍说明--下载内容均来自于网络,请自行研究使用
倒计时器
硬件:单片机AT89C51,8位数码管
功能要求:
(1)基本功能:起始数为9999,利用定时器定时实现每隔1秒倒计时。
(2)扩展功能1:利用按键设置起始数,可加可减。
(3)扩展功能2:利用按键控制倒计时器的启动与停止。
在原来基础上做了修改。-Countdown Timer Date: 2012-05-05 23:00 completed hardware: the single chip microcomputer AT89C51 8-bit digital tube function requirements: (1) basic functions: the starting number for 9999, use the timer every 1 second countdown. (2) extension 1: Using the button to set the starting number can be increased or decreased. (3) extension 2: Using the button control countdown to the start and stop.
硬件:单片机AT89C51,8位数码管
功能要求:
(1)基本功能:起始数为9999,利用定时器定时实现每隔1秒倒计时。
(2)扩展功能1:利用按键设置起始数,可加可减。
(3)扩展功能2:利用按键控制倒计时器的启动与停止。
在原来基础上做了修改。-Countdown Timer Date: 2012-05-05 23:00 completed hardware: the single chip microcomputer AT89C51 8-bit digital tube function requirements: (1) basic functions: the starting number for 9999, use the timer every 1 second countdown. (2) extension 1: Using the button to set the starting number can be increased or decreased. (3) extension 2: Using the button control countdown to the start and stop.
(系统自动生成,下载前可以参看下载内容)
下载文件列表
9999-2012-5-5-24\8只数码管显示多个不同字符.DSN
................\8只数码管显示多个不同字符.PWI
................\9999
................\9999.c
................\9999.hex
................\9999.lnp
................\9999.LST
................\9999.M51
................\9999.OBJ
................\9999.Opt
................\9999.plg
................\9999.Uv2
................\9999_Opt.Bak
................\9999_Uv2.Bak
................\Last Loaded 8只数码管显示多个不同字符.DBK
9999-2012-5-5-24
................\8只数码管显示多个不同字符.PWI
................\9999
................\9999.c
................\9999.hex
................\9999.lnp
................\9999.LST
................\9999.M51
................\9999.OBJ
................\9999.Opt
................\9999.plg
................\9999.Uv2
................\9999_Opt.Bak
................\9999_Uv2.Bak
................\Last Loaded 8只数码管显示多个不同字符.DBK
9999-2012-5-5-24