LED点阵设计毕业设计

精品文档---下载后可任意编辑学生： 指导老师：内容摘要：LED 点阵电子显示屏的进展越来越好广泛，它成为一个宣传信息的重要平台，已经得到了社会的普遍认同。LED 点阵显示屏是利用发光二极管点阵模块或像素单元组成的平面式显示屏幕。它具有发光效率高、使用寿命长、组态灵活、色彩丰富以及对室内外环境适应能力强等优点。 该设计是一个 16×16LED 点阵电子显示屏显示数字的设计。整块电子显示屏的控制核心是 40 引脚的单片机AT89S51，说明了 LED 点阵电子显示屏用 AT89S51 为控制系统的动态的设计和开发的具体过程。通过该芯片控制两个列驱动器 74HC595 来驱动显示屏显示，本设计就是使用 4 块 8×8 点阵显示模块来组成 16×16 点阵显示屏，采纳动态扫描显示，程序编写的实现是使用简单流通性强的 C 语言，该设计的结果证明，系统显示清楚，结构合理，误差小，扩展能力强，性能稳定。关键词：AT89S51 LED 点阵 数字显示精品文档---下载后可任意编辑Design of 16*16 LED dot matrixAbstract：LED electronic display found the screen better and better.It has become an important platform of a promotional information,it has been widely accepted by the society,LED dot matrix display is the use of plane composition LED lattice module or pixel unit display screen ,It has the advantages of high light efficiency ,long. The designed is a digital design of a 16*16 LED dot matrix display ,control the core piece of electronic display is the 40 pin of the microcontroller AT89S51.Describes the specific process of the design and development of LED dot matrix display with AT89S51 as the control system dynamic.Through the control two columns drive chip 74HC595 are needed to drive the display shows that this design is to use 4 pieces of 8 x 8 dot matrix display module to form a 16 * 16 dot matrix display screen, a dynamic scans showed that the realization of the programming is simple to use strong liquidity of C language, and the design results show that the system...