基于单片机控制的液晶显示万年历设计 精品.docx

基于单片机控制的液晶显示万年历设计 精品.docx

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基于单片机控制的液晶显示万年历设计精品

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山东农业大学

毕业论文

题目：

基于单片机控制的液晶显示万年历设计

院部信息科学与工程学院

专业班级电子信息科学与技术3班

届次2012届

学生姓名

学号

指导教师

二O一二年六月十五日

装

订

线

……………….…….………….………….………

1绪论·································································1

1.1课题研究的背景····················································1

1.2文章结构介绍····················································1

2单片机及液晶的简单介绍··········································2

2.1单片机的简介············································2

2.1.1单片机的含义············································2

2.1.2单片机的发展过程············································2

2.2液晶的简介··················································3

2.2.1液晶的含义及用途············································3

2.2.2液晶显示技术的发展············································4

3单片机系统的硬件设计·············································5

3.1单片机系统的原理框图··············································5

3.2单片机系统的模块说明及电路图······································5

3.3单片机系统的整体电路设计·········································7

3.4单片机系统的各器件使用说明···································7

3.4.1AT89C51单片机的简要说明·····································7

3.4.2DS18B20的简要说明············································13

3.4.3DS1302的介绍··················································17

3.4.412864液晶的介绍············································21

4单片机系统的软件设计···············································26

4.1单片机系统的程序框图及代码·······································26

4.1.1单片机控制模块的软件设计·······································26

4.1.2按键模块的软件设计·············································27

4.1.3温度检测模块的软件设计·········································29

4.1.4时钟模块的软件设计·············································29

4.1.5液晶显示模块的软件设计········································30

4.2单片机系统的实现情况··············································32

5总结························································34

参考文献·····························································35

致谢·································································36

Contents

1Foreword····························································································1

1.1ResearchBackground···········································································1

1.2Introductionofessay’sstructure······························································1

2ThesimpleintroductionoftheMCUandLCD···············································2

2.1MCUIntroduction··············································································2

2.1.1ThemeaningoftheMCU····································································2

2.1.2MCUdevelopmentprocess··································································2

2.2LCDintroduction················································································3

2.2.1ThemeaningandusageoftheLCD·······················································3

2.2.2ThedevelopmentofLCDtechnology·····················································4

3ThehardwaredesignofMCUsystem·························································5

3.1TheblockdiagramofMCUsystem··························································5

3.2MCUmoduledescriptionandschematiccircuitdiagram·································5

3.3ThewholecircuitdesignoftheMCUsystem··············································7

3.4TheinstructionsofMCUsystem’sdevices··············································7

3.4.1AbriefdescriptionoftheAT89C51MCU················································7

3.4.2AbriefdescriptionoftheDS18B20······················································13

3.4.3DS1302introduction·······································································17

3.4.4Theintroductionof12864LCD··························································21

4SoftwaredesignMCUsystem··································································26

4.1MCUsystem’sblockdiagramsandcodes··················································26

4.1.1MCUcontrolmodulesoftwaredesign···················································26

4.1.2Keymodulesoftwaredesign······························································27

4.1.3Softwaredesignofthetemperaturedetectionmodule·································29

4.1.4Softwaredesignoftheclockmodule····················································29

4.1.5SoftwaredesignoftheLCDmodule··················································30

4.2TherealizationoftheMCUsystem·····················································32

5Summary······················································································34

References···························································································35

Acknowledgements······································