| 单片机控制的8通道计时器的设计 |
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| 引用本文： | 吕养民.单片机控制的8通道计时器的设计[J].价值工程,2012,31(21):217-218. |
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| 作者姓名： | 吕养民 |
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| 作者单位： | 西安体育学院网络中心,西安,710068 |
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| 摘 要： | 设计制作了一种基于单片机AT89C51为控制核心的大量程高精度8通道计时器。使用Protel DXP 2004软件仿真设计。开始、结束信号经整形处理后进入单片机进行比较、计算、储存、显示、打印等处理。采用7位LED数码管显示。显示精度为999.999秒,并可直接连接微型打印机直接打印所需数据。
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| 关 键 词： | 单片机 计时器 动态驱动 LED数码管 |
Design of Eight-channel Timer System Based on Single Chip Microcomputer |
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| LV Yang-min.Design of Eight-channel Timer System Based on Single Chip Microcomputer[J].Value Engineering,2012,31(21):217-218. |
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| Authors: | LV Yang-min |
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| Institution: | LV Yang-min(Network Center,Xi’an Physical Education University,Xi’an 710068,China) |
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| Abstract: | The 8-channel timer with big range and high precision is designed on the basis of the single chip microcomputer AT89C51.The simulation software Protel DXP 2004 is used.Afer proceeded,the beginning and ending of signals enters into the single chip microcomputer to make a comparison and computation,storage,display,printing processing.And the result is shown by the seven digital LED display tube.The display precision is 999.999 seconds,and the timer can be connected directly to miniature printers printing the data demanded. |
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| Keywords: | SCM timer dynamic drive LED displays tube |
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