LED点阵显示封面~摘要.doc

南京理工大学泰州科技学院毕业设计说明书(论文)作 者:学 号：学院(系):电子电气工程学院专 业:电气工程及其自动化题 目:LED点阵显示电子钟高级工程师指导者： 副教授评阅者： 2011 年 5 月毕业设计说明书（论文）中文摘要文章论述了基于AT89C52单片机的LED点阵显示电子钟设计控制系统, 并且可以对其进行设置。基于AT98C52单片机的LED点阵显示电子钟具有结构简单，性能靠，价格低和灵活等优点，因此得到了广泛应用。LED点阵显示屏是利用发光二极管或像素组成的平面式显示屏。它具有发光效率高，使用寿命长，组态灵活等特点。本文设计的是用5块88点阵显示屏制作的室内时钟，数字采用静止显示方式。电子钟是一种利用数字电路来显示分、时的计时装置，与传统的机械钟相比，它具有走时准确、显示直观、无机械传动装置等优点，因而得到广泛应用。随着人们生活环境的不断改善和美化，在许多场合可以看到数字电子钟。本文介绍了LED点阵显示电子钟的发展历史及其应用范围。关键词LED点阵显示器电子钟单片机12兆赫兹晶振 毕业设计说明书（论文）外文摘要Title LED Dot Matrix Display Clock AbstractThis paper discusses the AT89C52 microcontroller based dot matrix display LED electronic clock control system design, and can set them. AT98C52 microcontroller based dot matrix display LED electronic clock with a simple structure, reliable, low cost and flexibility advantages, it has been widely used.LED dot matrix display is formed by light-emitting diodes, or pixels, flat-screen.It has a high luminous efficiency, long service life and flexible configuration and so on.This design is 5 8 8 dot matrix display create indoor clock, digital display with static.Clock is a digital circuit used to display the minutes, hours, timing devices, compared with the traditional mechanical clock, which has accurate time display and intuitive, no mechanical transmission, etc, which are widely used.With the continuous improvement of living environment and landscaping, can be seen on many occasions, digital electronic clock.This article describes the LED dot matrix display clock history of the develo