万年历数码管.docx
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2022-11-27
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目 录
引言
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第一章智能化万年历时钟电路设计仿真
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1.1设计思路
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1.2 构成框图
.....................................................................................................................................2
第二章系统硬件电路的设计
.........................................................................................................3
2.1 单片机的选择与参数介绍
.....................................................................................................3
2.2时钟功能的实现选择
...............................................................................................................5
2.3复位电路的选择
........................................................................................................................5
2.4 时间调整电路的设计
2.5 时间显示电路的设计
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2.5.1 扫描方式的选择................................................................................................................. 7
2.5.2 LED数码管的选择.............................................................................................................. 7
2.5.3 显示电路的整体实现......................................................................................................... 9
第三章系统程序设计与软件仿真
.............................................................................................10
3.1 主程序的设计
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3.2 仿真实验
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第四章实物的制作与调试
.............................................................................................................12
4.1 原理图的绘制与 PCB的制作
...............................................................................................12
4.1.1 原理图的绘制................................................................................................................... 12
4.1.2 PCB的绘制........................................................................................................................ 13
4.2元件安装焊接
4.3 系统的调试
..........................................................................................................................14
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PROTEL 99SE原理图
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PCB板图
.................................................................................................................................................16
系统源程序
..........................................................................................................................................17
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