| 基于DTMF的智能电话控制器设计 |
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| 引用本文： | 王秀玲,吴武臣.基于DTMF的智能电话控制器设计[J].现代电子技术,2007,30(20):189-191,194. |
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| 作者姓名： | 王秀玲 吴武臣 |
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| 作者单位： | 北京工业大学,VLSI实验室,北京,100022 |
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| 摘 要： | 介绍了一种以单片机AT89S52和双音多频解码集成电路MT8870为核心,通过电话线路遥控的远程智能控制器的设计。系统通过铃流检测,DTMF信号解调等,实现自动摘机,并且实现了密码校验、修改,系统标识,次数限制等功能。本文对该控制器的工作原理、硬件配置、软件设计、功能进行了详细论述,经样机调试试验证明,其各项功能完成良好,具有较高的实用价值。
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| 关 键 词： | 双音多频 远程控制 |
| 文章编号： | 1004-373X（2007）20-189-03 |
| 收稿时间： | 2007-01-16 |
| 修稿时间： | 2007-01-16 |
Design of Intelligent Telephone Control Device Based on DTMF |
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| WANG Xiuling,WU Wuchen.Design of Intelligent Telephone Control Device Based on DTMF[J].Modern Electronic Technique,2007,30(20):189-191,194. |
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| Authors: | WANG Xiuling WU Wuchen |
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| Institution: | vIsI Lab. ,Beijing University of Technology,Beijing, 100022,China |
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| Abstract: | In this paper a remote intelligent controller using telephone is introduced,which bases on single chip AT89S52 and integrated DTMF receiver.The system can examine the bell to realize the intention of auto hanging up,demodulating the DTMF sign,checking the password,marking the system,limiting the user times,etc.The controller is introduced in details in the following aspects: principle,composing of hardware,software design,function.The circuit of this system is successfully adjusted through operation and has applied value. |
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| Keywords: | AT89S52 MT8870 |
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