毕业设计论文电子时钟的设计.docx

郑州科技学院
专科毕业设计(论文)
题目电子时钟的设计
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完成时间 2011 年 3月 15 日
电子时钟的设计
摘要
单片机自20世纪70年代问世以来,以其极高的性能价格比,受到人们的重视和关注,应用很广、发展很快。单片机体积小、重量轻、抗干扰能力强、环境要求不高、价格低廉、可靠性高、灵活性好、开发较为容易。由于具有上述优点,在我国,单片机已广泛地应用在工业自动化控制、自动检测、智能仪器仪表、家用电器、电力电子、机电一体化设备等各个方面,而51单片机是各单片机中最为典型和最有代表性的一种。这次毕业设计通过对它的学****应用,以AT89S51芯片为核心,辅以必要的电路,设计了一个简易的电子时钟,,通过数码管能够准确显示时间,调整时间,从而到达学****设计、开发软、硬件的能力。
关键词单片机/ AT89S51/数码管
Design of the singlechip electronics clock
Abstract
Single slice machine from published in 70's for 20 centuries, pare with its very high function price, is value by people and pay attention to, apply very widely, develop very quickly. Single slice the machine physical volume is small,the weight is light,the anti- interference ability is strong,the environment haven't high request,the price is cheap,the credibility is high,vivid good,develop more easy. In order to having an above-mentioned advantage, at the our country, single slice the machine is broadly applied already to turn an equipment at industrial automation control,automatic examination,intelligence instrument appearance,home appliances,electric power electronics,the machine electricity integral whole etc. each aspect, but 51 machines is is a typical model most and have a representative most in each machine of a graduation design passes to its study and application, Take the AT89S51 chips as core, assist with the electric circuit of the necessity, design a simple electronics clock, it from the V direct current power supply power supply, pass the figures tube can accurate manifestation time, adjust time。Arrive a study and design, develop thus soft,the ability of the hardware .
KEY WORDSSCM, AT89C2051,digital displays
目录
摘要I
AbstractII
目录I
1 引言I
2 关于电子时钟III
电子时钟简介III
电子时钟的基本特点III
电子时钟的原理IV
3 关于单片机IV
单片机简介IV
单片机的发展史IV
4位单片机IV
8位单片机V
16位单片机V
32位单片机V
64位单片机VI
单片机的特点VI
4 方案论证与比较VII
数字时钟方案VII
5 系统设计IX
总体设计IX