2、架构、寻址范围、外围接口资源等诸多限制，已难以在要求显示较多像素、显示内容帧频较高、动态显示效果复杂的情况下得到良好的动态视觉效果。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38AbstractLED panel systems gains rapid development in the design, machine and application from nine-rites ages. It went thorn from
3、 single color and two colors to image LED panel. As a high technology production, LED panel can realize real time and sequential displaying textile, granitic and images. LED panel has many special feature such as high reliability、long life、high performance、l
4、ow cost、and more important high acclimatization. Moreover, with the technique of color p Anne perfect increasingly,LED panel is widely used in many fields. The core technique for a LED panel is mainly centralized on its controlled. The majority of asynchrono
5、us display panel use the 8 or the 16 micro-controllers,because the processing speed, the system construction, the addressing scope, the periphery connection resources and on so many limits, in request demonstration many picture elements, the demonstration co
6、ntent 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 efficiency of the whole system.The system was easy in maintenanc
7、e and updating,and enjoys high performance/price ratio. Key words ：LED; Transfusion System; information releasing system; singlechip 38目录目录3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 6 1.2.2 LED大屏幕的发展趋势 61.3 LED显示屏的信息发布技术 7第二章LE
