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基于单片机打铃系统设计+系统流程图 第2页

更新时间:2012-4-8:  来源:毕业论文
abstract In recent years, with the computer in the social sector infiltration and large scale integrated circuit of development, the application of SCM is continuously to the deepening, because it has a strong function, small volume, low power consumption, low price and reliable work, use convenient wait for a characteristic, therefore particularly suitable for related control and system, widely used in automatic control, intelligent instruments, meters, data acquisition, military products and home appliances and other fields, microcontroller is often as a core component to use, according to the specific hardware structure, and the view of the specific application object characteristics of software combines, make the perfect. Microcontroller technology plays an important role in the field of intelligent control and play a significant role. This design is using Atmel company produces the monolithic integrated circuit AT89S52 chips and AT24C02 chip (memory chip), and the use of DS1302 used for clock chip (with real-time display the current time, according to the set time with buzzer hour, can modify the current alarm clock () function). In based on singlechip basis plus its peripherals to realize the small system - automatic ringing the bell system.
目    录
摘    要 I
第1章  系统总体设计1
1.1  设计要求1
1.2  功能特点3
1.3  总体设计图.4
第2章  方案论证 
2.1  电源模块..6
2.2  AT89S52芯片模块..9
2.3  显示模块10
2.4  其它模块16
第3章  系统硬件设计 17
3.1  电源模块电路设计.17
3.2  单片机系统及外围电路.18
3.2.1  时钟脉冲电路. 10
3.2.2复位电路. 10本文来自辣.文~论'文,网原文请找腾讯324-9114
3.2.3 程序及数据存储器.11
3.2.4  蜂鸣器模块 12
 3.4 时钟芯片模块电路.13
 3.5 AT24C芯片模块电路.15
 3.5 LCD显示模块设计.17
第4章  系统软件设计
 4.1 系统说明22
 4.2 系统总流程图23
第5章  系统调试
结    论 22
致    谢 23
参考文献 24
附录1  系统电路图 25
附录2  PCB图 26
附录3  元器件清单 27
附录4  程序清单 28

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