| 单片机系统中复合键和一键多功能的设计 |
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| 引用本文： | 刘桂敏.单片机系统中复合键和一键多功能的设计[J].鞍山科技大学学报,2011(3). |
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| 作者姓名： | 刘桂敏 |
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| 作者单位： | 辽宁信息职业技术学院; |
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| 摘 要： | 为节省I/O线和时间、降低成本、简化键盘软件设计,提出了一种新型单片机系统的设计方法,设计简单了复合键,利用AT89S51单片机内部两个16位可编程定时器/计数器的中断计数功能实现了一键多功能,给出其硬件电路和软件设计。
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| 关 键 词： | AT89S52单片机 复合键 一键多功能I/O线 |
Design of composite key and multi-function by one key in SCM system |
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| LIU Gui-min.Design of composite key and multi-function by one key in SCM system[J].Journal of Anshan University of Science and Technology,2011(3). |
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| Authors: | LIU Gui-min |
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| Institution: | LIU Gui-min(Liaoning Institute of Information Technology,Liaoyang 111000,China) |
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| Abstract: | A new design method of SCM system is proposed to save I/O lines,a simple composite key is designed,and multi-function by one key is realized by using the interrupt counting function of two 16-bit programmable timer/counter in AT89S51.It saves time and cost,and also simplifys the software design of keyboard. |
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| Keywords: | AT89S52 microcontroller composite key I/O lines of multi-function by one key |
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