provides venture platform, makes many youth round has venture dream, for national solution has important of employment problem. Relevant departments units carefully to discover, cultivate talent. From the perspective of Dongping, contradiction of rapid economic development and personnel shortages. Currently facing the industry transformation and upgrading, and transform and upgrade traditional industries, is the development of new industries such as tourism, logistics, e-commerce, we still lack a large number of capital operation and management of talents, the lack of technological innovation, technology transfer, product research and development, tourism services and other high-level professional and technical personnel. Especially with theIndustry further develops, the demand is growing. We must stand in the global and strategic height, with a high degree of political responsibility and historical mission, counties implement talent strategies as a major and pressing task to seize good, practical human resource development as industrial counties of the country. Departments at all levels must firmly establish the "talent is wealth, talent is competitive, talent is creativity" concept, fully aware of the extreme importance of talent, the real talent working on the agenda, the primary task of the primary resources to support the development of talent. 2 the construction of enterprisers ' as the starting point, and promote the transformation and
1
1. 设计思路 .............................................................................................................................................2
1.1 电源模块........................................................................................................................................2
1.2 显示模块........................................................................................................................................3
1.3 花样灯模块....................................................................................................................................3
2 单片机花样灯与数码显示系统总体设计 ...........................................................................................3
2.1 三个模块的阐述
2.2 单片机花样灯与数码显示控制系统的通行方案设计 .................................................................3
2.3 单片机花样灯与数码显示控制系统的功能要求 ........................................................................4
2.4 单片机花样灯与数码显示控制系统的基本构成及原理 ............................................................5
3 花样灯与数码显示系统的硬件设计 ....................................................................................................5
3.1 AT89C51 单片机简介 ....................................................................................................................5
3.1.1 AT89C51
单片机的主要特性
..................................................................................................6
3.1.2
主要引脚功能
.........................................................................................................................6
3.2 系统硬件总电路构成及原理.........................................................................................................9
3.2.1
系统硬件电路构成
..................................................................................................................9
3.2.2
系统工作原理
..........................................................................................................................9
4 系统软件程序的设计 ..........................................................................................................................12
4.1 程序主体设计流程.......................................................................................................................12
4.2 理论基础知识..............................................................................................................................13
4.2.1
数组及
while
、
switch
等语句
...............................................................................................13
4.2.2
软件延时原理
........................................................................................................................14
4.3 程序模块设计 ...............................................................................................................................14
4.3.1
花样灯的设计
........................................................................................................................14
4.3.2 LED
数码管显示
...................................................................................................................15
4.4 系统软件调试...............................................................................................................................18
4.4.1 proteus
仿真
...........................................................................................................................18
4.4.2
keil 仿真
................................................................................................................................18
参考文献……………………………………………………………………………………………..17
设计心得体会………………………………………………………………………………………...18
附录……………………………………………………………………………………………………19