| 单片机矩阵式键盘的设计 |
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| 引用本文： | 陈铭.单片机矩阵式键盘的设计[J].工业控制计算机,2012,25(1):99-100. |
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| 作者姓名： | 陈铭 |
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| 作者单位： | 南昌理工学院计算机系,江西南昌,330044 |
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| 摘 要： | 由于不同的单片机提供的片内外资源不同,所以在进行键盘扩展时其硬件电路也有所不同。以C8051F020单片机为例,介绍键盘采用中断扫描的工作方式实现数字键和功能键的输入。
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| 关 键 词： | 单片机C8051F020 矩阵式键盘 中断扫描 |
Design of Matrix Keyboard in Single Chip Computer |
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| Abstract: | As different single chip computer provides different source,therefore when the keyboard expands its hardware,the electric circuit has different.Taking micro-controller C8051F020 as an example,this paper introduces the input equipment of keyboard,the design uses the interrupt working way realizing the input of numeric keys and functional keys. |
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| Keywords: | C8051F020 micro-controller matrix keyboard interrupt scan |
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