单片机控制交通灯毕业设计.docx

摘要 近年来随着科技的飞速发展，单片机的应用正在不断深入，同时带动传统 控制检测技术日益更新。在实时检测和自动控制的单片机应用系统中，单片机 往往作为一个核心部件来使用，仅单片机方面知识是不够的，还应根据具体硬 件结构软硬件结合，加以完善。 十字路口车辆穿梭，行人熙攘，车行车道，人行人道，有条不紊。那么靠 什么来实现这井然秩序呢？靠的就是交通信号灯的自动指挥系统。交通信号灯 控制方式很多。木系统采用MSC-51系列单片机ATSC51和可编程并行I/O接口 芯片80C51为中心器件来设计交通灯控制器，实现了能根据实际车流量通过 8051芯片的P1 口设置红、绿灯燃亮时间的功能；红绿灯循环点亮，倒计时剩秒 时黄灯闪烁警示。本系统实用性强、操作简单、扩展功能强。 关键词：交通灯单片机 MSC-51 计吋 ABSTRACT Years with the rapid development of science and technology, SCM applications are deepening at the same time promote more traditional control detection update. In real-time detection and control of the microcomputer application system, the microcontroller is often used as a core component, only the SCM knowledge is inadequate and should be based on specific hardware architecture hardware and software, to be improved. Crossroads shuttle vehicles, pedestrians bustling, car dealers Drive, people walkways, orderly. Then rely on to achieve the discipline of the order then? Rely on the automatic traffic light is the chain of command. Many ways to control traffic lights. In this system, MSC-51 Series MCU ATSC51 and programmable parallel I/O interface chip 80C51 -centered design of traffic signal controller device to realize the actual traffic volume by 8051 according to the Pl port chip set of red, green time kindle function; traffic light cycle of light, yellow light flashes when the countdown seconds left warning. The system practical, simple, powerful extensions Keywords: traffic light SCM MSC-51 timing TOC \o 1-5 \h \z \o Current Document 摘要 1 \o Current Document ABSTRACT 2 \o Current Document 第一章单片机控制交通灯的背景 5 \o Current Document 1」交通灯的 5 \o Current Document 1.1.1交通灯的历史 5 \o Current Document 1」.2交通灯的出现 5 \o Current Document 1.2单片机简介 6 \o Current Document 1.2.1单片机的发展历程 6 \o Current Document 1.2.2单片机的特点 6 \o Current Document 1.2.3 MCS—51单片机内部结构有8大部分 7 \o Current Document 124单片机的内部结构图 9 \o Current Document 第二章单片机控制交通系统总体设计 11 \o Current Document 2.1单片机交通控制系统通行方案设计 11 \o Current Document 2