| 合理占用空间的智能数模转换控制系统 |
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| 引用本文： | 崔海龙,李金海,张云飞.合理占用空间的智能数模转换控制系统[J].信息技术,2005,29(6):60-62. |
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| 作者姓名： | 崔海龙 李金海 张云飞 |
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| 作者单位： | 黑龙江省电子技术研究所,哈尔滨,150040 |
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| 摘 要： | 提出一种节省印制电路板空间的智能数模转换控制方法，系统以AT89C51为主体构成控制电路，通过MAX232芯片接收上位机发送的命令，控制串行数模转换器MAX517输出模拟量，以便控制设备。着重介绍了8位串行数模转换器MAX517的特性，并详细说明了AT89C51单片机与MAXS17和MAX232的硬件连接与软件编程方法。
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| 关 键 词： | AT89C51单片机 MAX517 MAX232 串行数模转换 |
| 文章编号： | 1009-2552(2005)06-0060-03 |
| 修稿时间： | 2004年12月27 |
Intelligent D/A conversion control system of rational using space |
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| CUI Hai-long,Li Jin-Hai,ZHANG Yun-Fei.Intelligent D/A conversion control system of rational using space[J].Information Technology,2005,29(6):60-62. |
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| Authors: | CUI Hai-long Li Jin-Hai ZHANG Yun-Fei |
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| Abstract: | This paper presnted a kind of intelligent D/A conversion control method of saving printed circuit board space.The control circuit is composed of AT89C51 mainly.The system received the instructions of computer through MAX 232 chip,controlled serial digital-analog converter MAX517 to produce analog variable in order to control equipment.The paper introduced characteristics of 8 bits serial D/A converter MAX517,illustrated interfaces between AT89C51 and MAX517,MAX232,and software programming method. |
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| Keywords: | AT89C51 single chip computer MAX517 MAX232 serial digital-analog conversion |
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