2、觉效果。LED显示屏控制系统性能良好，工作稳定可靠，易于维护升级，具有很高的性价比。关键词LED；数据传输；信息发布系统；单片机AbstractLED panel systems gains rapid development in the design, machine and application from nine-rites ages. It went thorn from single color and two colors to image LED panel. As a high technology production, LED panel can re
3、alize real time and sequential displaying textile, granitic and images. LED panel has many special feature such as high reliability、long life、high performance、low cost、and more important high acclimatization. Moreover, with the technique of color p Anne perfect increasingly,LED panel is wid
4、ely used in many fields. The core technique for a LED panel is mainly centralized on its controlled. The majority of asynchronous display panel use the 8 or the 16 micro-controllers,because the processing speed, the system construction, the addressing scope, the periphery connection resourc
5、es and on so many limits, in request demonstration many picture elements, the demonstration content frame frequency has been with difficult high, in the dynamic demonstration effect complex situation, obtains the good dynamic visual effect. the method was favorable for the stability and eff
6、iciency of the whole system.The system was easy in maintenance and updating,and enjoys high performance/price ratio. Key words LED; Transfusion System; information releasing system; singlechip 目录第1章 绪 论 51.1 LED显示屏的研究背景及意义 51.2 LED大屏幕的发展状况与趋势 61.2.1 LED大屏幕的发展状况 61.2.2 LED大屏幕的发展趋势 61.3
