基于FPGA的多功能可调数字时钟的设计与实现

毕业论文（设计）论文（设计）题目：基于FPGA的多功能可调数字时钟姓名学号院系计算机与信息工程学院专业计算机科学与技术年级2013级指导教师2015年4月26日目录摘要...............................................................................................................1Abstract............................................................................................................2第1章绪论.....................................................................................................21.1课题研究的背景..................................................................................21.2相关技术的发展现状..........................................................................21.3选题研究的主要内容..........................................................................3第2章设计要求与方案.................................................................................42.1设计要求.............................................................................................42.1.1毕业设计的性质与任务...........................................................42.1.2设计的基本技术要求...............................................................42.1.3具备功能....................................................................................42.2系统方案选择.....................................................................................42.2.1设计方案...................................................................................42.2.2设计原理...................................................................................42.2.3工作原理...................................................................................5第3章系统的硬件的设计与实现................................................................63.1电路的模块设计框图.........................................................................63.2所用的开发板的原理图.....................................................................63.3顶层模块图.........................................................................................73.4主要模块分析与仿真.........................................................................73.4.1消抖模块...................................................................................73.4.2功能控制模块...........................................................................93.4.3闹钟和整点报时模块...............................................................163.4.460进制计数器...........................................................................183.4.524进制计数器...........................................................................203.4.61602显示模块...........................................................................213.4.7分频模块...................................................................................273.4.8星期显示模块...........................................................................29第4章指标测试...........................................................................................324.1测试仪器...........................................................................................324.2硬件测试...........................................................................................324.3软件测试...........................................................................................32设计展现.........................................................................................................33设计总结.........................................................................................................34参考文献.........................................................................................................35附录一LCD1602控制设置............................................................................36致谢.............................................................................................................38新乡学院本科毕业论文（设计）1摘要近年来随着数字技术的迅速发展，各种中、大规模集成电路在数字系统、控制系统、通信网络、智能家电、智能仪器仪表、信号处理等方面都得到了广泛的应用。这就要求电子类专业的大学生要熟练掌握大规模集成电路的设计能力，以及在工程实践中的应用能力。本次设计采用FPGACycloneII系列的EP2C5T144C8芯片作为主控芯片，EPCS1作为存储芯片。本设计是用VHDL语言设计硬件电路，主要设计了核心控制模块、分频模块、计数模块、闹钟模块、按键消抖动模块、时钟设置模块、控制LCD1602显示模块等。该设计是采用24小时制，具有时、分、秒计时功能，定时功能，星期显示功能，设置闹钟和闹钟提醒功能，是一个多功能的数字钟。关键词：FPGACycloneII；LCD1602；EP2C5T144C8；存储芯片EPCS1新乡学院本科毕业论文（设计）2AbstractInrecentyears,withtherapiddevelopmentofdigitaltechnology,variety,largescaleintegratedcircuitinadigitalsystem,controlsystem,communicationnetwork,intelligenthouseholdappliances,intelligentinstrument,signalprocessingandotheraspectshavebeenwidelyapplied.Thisrequirestheelectronicprofessionalstudentstomasterthedesigncapacityofthelargescaleintegratedcircuit,aswellastheapplicationabilityinengineeringpractice.ThisdesignusestheEP2C5T144C8chipFPGAofCycloneIIseriesasthemaincontrolchip,EPCS1asthememorychip.ThisdesignistheuseofVHDLlanguagedesignthehardwarecircuit,themaindesignofthecorecontrolmodule,frequencymodule,countingmodule,alarmclockmodule,buttonjittereliminationmodule,clockmodule,LCD1602displaycontrolmodule.Thedesignistheuseof24hours,withtime,minutesandseconds,timing,timingfunctions,weekdisplayfunction,setthealarmclockandalarmclockfunction,isamultifunctionaldigitalclock.Keyword:FPGACycloneII;LCD1602;EP2C5T144C8;MemorychipEPCS1新乡学院本科毕业论文（设计）2第1章绪论电子数字技术发展的今天，给人们的生产生活带来极大的改变，人们不管是在家中还是外出，总能看到电子技术的身影，随处可见的发光屏、闪光字、LCD或LED广告牌