学科分类号(二级学科)本科学生毕业论文(设计)题目科学计算器设计姓名阿克萨啊学号2010052301288论文编号En14141023指导教师杨不赶职称(学历)工程师完成时间2014年5月20XX大学教务处制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,但仅单片机方面的知识是不够的,还应根据具体硬件结构、软硬件结合,来加以完善。计算机在人们的日常生活中是比较常见的电子产品之一。可是它还在发展之中,以后必将出现功能更加强大的计算机,基于这样的理念,本次设计是用STC90C516RD+单片机、LCD显示器、输入采用5×7矩阵键盘,可以进行加、减、乘、除12位带符号数字运算,还可以进行乘方、开方运算,具有指数、对数、三角函数、反三角函数等计算功能。利用此设计熟悉单片机微控制器及C语言编程,对其片资源及各个I/O端口的功能和基本用途的了解。掌握keiluvision应用程序开发环境,常用的LCD显示器的使用方法和一般键盘的使用方法。关键字:单片机;矩阵键盘;计算器AbstractInrecentyears,withtherapiddevelopmentoftechnology,SCMapplicationsaredeepeningthetraditionalcontrolwhiledrivingdetectiontechnologyisincreasinglyupdates.Inthereal-timedetectionandautomaticcontrolofmicrocomputerapplicationsystem,themicrocontrollerisoftenusedasacorecomponent,butonlyknowledgeofSCMisnotenough,shouldbecombinedaccordingtospecifichardwarearchitecture,softwareandhardwaretobeimproved.Computersinpeople'sdailylivesisoneofthemorecommonelectronicproducts.Butalsoindevelopment,thelatterisboundtoappearmorepowerfulcomputers,basedonthisconcept,thisdesignisSTC90C516RD+MCU,LCDdisplay,5×7matrixinputusingthekeyboard,youcanadd,subtract,multiply,Inadditionto12signeddigitaloperationcanalsobeusedinvolution,evolutionoperator,withexponential,logarithmic,trigonometricfunctions,inversetrigonometricfunctions,suchascomputingandstorage.Withthissingle-chipmicrocontrollerdesignandfamiliarwiththeCprogramminglanguage,understandingoftheiron-chipresourcesandvariousI/Oportfunctionsandbasicuse.Masterkeiluvisionapplicationdevelopmentenvironment,theuseofcommonLCDmonitorandkeyboardingeneraluse.Keywords:Singlechipmicrocomputer;Matrixkeyboard;Thecalculator目录摘要..............................................................................................................................................IAbstract...........................................................................................................................................II0前言..............................................................................................................................................11系统设计背景、意义和目的......................................................................................................11.1系统设计背景...................................................................................................................11.2系统设计意义...................................................................................................................11.3设计目的...........................................................................................................................22设计要求与方案论证..................................................................................................................22.1设计要求...........................................................................................................................22.2方案论证与比较.....