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基于单片机的LED汉字滚动显示器的设计说明
39页1、本科毕业设计(论文)题目:基于单片机的LED汉字滚动显示器设计 教学单位: 工程技术系 专 业: 电子信息工程 学 号: 0912070130 姓 名: 春怀 指导教师: 永岐 2013年5月 / 摘要LED已成为一个高速发展的新兴产业,前景广阔。该设计介绍了基于单片机AT89S52的1616点阵LED汉字滚动显示屏的设计。其中重点介绍了LED点阵显示的硬件设计、硬件电路各部分的功能和原理、相应软件的程序设计,与详细的使用说明和工作流程。该设计分为六部分,其中主要容为系统总体分析,系统硬件设计,系统软件设计三部分。系统总体分析是该设计的基础;系统硬件设计是该论文的关键与核心部分,首先该部分简单描述系统硬件的工作原理,且附上系统硬件设计框图,论述了该设计所应用的各硬件接口技术和各个接口模块的功能与工作过程;软件设计是系统运行必不可少的部分。本设计主要是软、硬件相结合,以硬件为基础,来进行各功能模块的设计。本设计实用性强、操作简单、扩展功能强。本显示屏的设计具有体积小、硬件少、电路结构简单与容易实现等优点。关键词:单片机;LED;点阵;汉字显示AbstractLEDhave become
2、a high speed development of emerging industries, and broad prospects. The design based on single chip microcomputer AT89S52 was introduced 16 * 16 lattice LED scrolling display of Chinese characters design. Which focus on LED dot matrix display the functions of the parts of the hardware design, hardware circuit and the principle and the corresponding software program design, and detaiLED instructions and work processes.The design is divided into six parts, including the main content for the syst
3、em overall analysis, the system hardware design, system software design three parts. System overall analysis is the foundation of the design; System hardware design is the key and core part of the paper, first of all, this part simply described the working principle of the system hardware, and attach a system block diagram of hardware design, the design is discussed the application of the hardware interface technology and the function of each interface module and working process; Software design
4、 is a crucial part of the system is running.The dominant idea of the design is a combination of software and hardware, on the basis of hardware, design of each function module. This design and strong practicability, simple operation, strong extended functionality. This display design with small size, less hardware, circuit structure is simple and easy to implement, etc.Keywords:MCU; LED; Lattice; Chinese character demonstrates目 录第1章 绪 论11.1 本课题的研究意义与必要性11.2 LED的现状和发展趋势11.3 LED的参数与特点2第2章 系统总体分析42
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