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lir1099 - 2008/3/16 16:53:14
文件格式:word
文件大小:2.31MB
适用专业:单片机
适用年级:大学
下载次数:4 次
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论文编号:42551

资料简介:
  单片机课程设计 简易电子钟,共26页,8392字
  
第1章  简易电子钟设计方案的选择和论证........................................................1
  
1.1  采用实时时钟芯片...................................................................................................................1
  
1.2 键盘与显示选择发案.................................................................................................................2
  
第2章  单元电路的设计.........................................................................................3
  
2.1  电源的设计...............................................................................................................................3
  
2.2  时钟和复位电路.......................................................................................................................3
  
2.2.1  时钟电路................................................................................................................................3
  
2.2.2  复位电路................................................................................................................................4
  
2.3  显示接口电路...........................................................................................................................4
  
2.4  键盘接口电路的设计...............................................................................................................5
  
2.5  主电路原理图、PCB图...........................................................................................................6
  
2.5.1  主电路原理图........................................................................................................................6
  
2.5.2  电源电路原理图....................................................................................................................7
  
2.5.3  主电路PCB电路图...............................................................................................................7
  
2.5.4  下载线电路PCB板图...........................................................................................................8
  
第3章  硬件资源、存储器单元地址分配说明..............................................................8
  
3.1  硬件资源说明...........................................................................................................................8
  
3.2  数据存储器单元地址分配.......................................................................................................8
  
3.3  程序存储器单元地址分配.......................................................................................................9
  
第4章  程序设计思路与程序流程图.....................................................................9
  
4.1  程序设计思路.........................................................................................................................10
  
4.2  监控程序流程图.....................................................................................................................10
  
4.3  “P.”点显示子程序流程图.......................................................................................................11
  
4.4  显示子程序流程图.................................................................................................................11
  
4.5  键盘扫描子程序流程图.........................................................................................................11
  
4.6  时间设置子程序流程图.........................................................................................................12
  
4.7  中断自动计时程序流程图.....................................................................................................13
  
设计体会..........................................................................................................................................14
  
元器件清单......................................................................................................................................15
  
参考文献..........................................................................................................................................15
  
附录..................................................................................................................................................................16
  

  
附录A  程序清单...........................................................................................................................................16
  

  
附录B  简易电子钟操作说明........................................................................................................24


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