| 基于模拟I^2C总线的社区求助系统的设计 |
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| 引用本文： | 张媛 李志俊 邹轶才 陈绵云. 基于模拟I^2C总线的社区求助系统的设计[J]. 微机发展, 2005, 15(9): 128-130 |
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| 作者姓名： | 张媛 李志俊 邹轶才 陈绵云 |
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| 作者单位： | [1]武汉理工大学自动化学院,湖北武汉430063 [2]华中科技大学控制科学与工程系,湖北武汉430074 |
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| 摘 要： | 模拟I^2C总线以其较强的实用性广泛应用于各个方面。将模拟I^2C总线应用到智能小区紧急求助系统中，实现了通讯数据的断电保存和读写。系统采用双音频解码方式实现数据传输，采用E^2PROM长期保存有用信息。E^2PROM与单片机使用模拟I^2C技术进行连接，将数据传输控制线简化为两根，使系统结构得到了简化。
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| 关 键 词： | 模拟I^2C总线 紧急呼叫 智能小区 双音多频 |
| 文章编号： | 1005-3751（2005）09-0128-03 |
| 收稿时间： | 2004-12-26 |
| 修稿时间： | 2004-12-26 |
Design of Emergency Calling System in Community Based on Analog I^2C Bus |
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| Zhang Yuan;Li ZhiJun;Zou YiCai;Chen MianYun. Design of Emergency Calling System in Community Based on Analog I^2C Bus[J]. Microcomputer Development, 2005, 15(9): 128-130 |
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| Authors: | Zhang Yuan Li ZhiJun Zou YiCai Chen MianYun |
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| Abstract: | Analog I^2C bus which has powerful practicability is widely used. It simplifies the structure of emergency calling system, which is used in intelligent community. The communication data can be saved when power cut is happened, and the data can be read and write in the system. In this paper, the case of practice and the principle of analog I^2C bus are given. The system will have a bright prospect. |
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| Keywords: | analog I^2C bus cmergency calling intelligent community DTMF |
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