8x8LED点阵显示学号和姓名.docVIP

第  PAGE 21 页 共 23 页 PAGE  PAGE 21 ________________________________________________________________________________________________ __________________________________________________________________________________________________ 摘 要 LED是发光二极管Light Emitting Diode的英文缩写, 是一种能够将电能转化为可见光的半导体。LED点阵是由发光二极管排列组成的显示器件, 在我们日常生活的电器中随处可见极为普通也广为人知。特别是它的发光类型属于冷光源效率及发热量是普通发光器件难以比拟的它采用低电压扫描驱动具有耗电少、使用寿命长、成本低、亮度高、故障少、视角大、可视距离远、规格品、可靠耐用、应用灵活、安全、响应时间短、绿色环保、控制灵活种等特点。目前LED显示屏作为新一代的信息传播媒体已经成为城市信息现代化建设的标志。随着社会经济的不断进步以及LED显示技术的不断完善，人们对LED显示屏的认识将越来越深入，其应用领域将会越来越广。 关键词：发光二级管；半导体；信息传媒体；LED显示技术 Abstract LED Light Emitting Diode Light Emitting Diode is the abbreviation of, it is a kind of can convert electric power into visible Light semiconductor. LED lattice is by the light emitting diode array composed of display device, in our daily life can be seen everywhere in the electric equipment very ordinary is also well known. Especially its luminous type belongs to cold light source efficiency and calorific value is common luminous device incomparable it USES low voltage scanning drive with less consumption, and long service life, low cost, high brightness, low malfunction, perspective, visible distance, specification product, reliable and durable, application agile, safety, short response time, green environmental protection, control of agile etc. At present, the LED display screen as a new generation of information media has become a symbol of city information modernization construction. Keywords: led；semiconductor；information transfer media；LED display technology. 目 录 引言 ……………………………………………………………………………3 第1章 系统概述 …………………………………………………………4 1.1 设计任务及目的……………………………………………………………4 第2章 系统硬件设计与分析 …………………………………………5 2.1 复位电路……………………………………………………………………5 2.2 主体电路……………………………………………………………………5 2.3 硬件电路连线………………………………………………………………6 2.4 显示部分……………………………………………………………………6 第3章 单片机的配置及简介 …………………………………………8 3.1 单片机介绍…………………………………………………………………8 3.2 单片机系统设计……………………………………