毕业设计----远程电话控制器的设计与实现

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1、 摘摘 要：要：在现有电话网络的基础上，以 STC89C52 控制器为核心，设计了远程电话控制器的 硬件与软件，实现了铃流检测、摘挂机控制、语音提示、密码校验、控制及驱动、键盘控 制、功能显示等功能。为充分利用资源，增加了时钟和闹钟定时，实时显示时间和给出语 音提示。按此设计制作的样机，经测试、试用完全达到设计要求，用户可以用电话很方便 地控制家中的电器设备。本文详细阐述了控制器的系统方案、硬件设计、软件设计，给出 了系统电路图和系统软件流程图。 关关 键键 词：词：解码，MT8870，单片机，液晶显示 毕业设计 1 Abstract: The long-distance telephone

2、controller (include hardware and software) was designed in the existing telephone network foundation.It ook the STC89C52 controller as the core and realized many functions, such as the bell-stream examination, picking and hang off controlling,voice prompting,password verification,controlling and act

3、uation,keyboard controlling and function demonstration .So, the manufacture prototype has been designed,for the full use of resources,with the clock and alarm clock to fix time, the real-time to display time and also,the voice prompt can be given by it .This manufacture prototype has been gone throu

4、gh the test which proved that it can achieve the design request perfectly .With the help of this machine,the electric appliance equipment can be controlled by users very conveniently.This article elaborated in detail the controller system plan, the hardware design and the software design .Besides, the system circuit diagram and system software flow chart has also been given. Key word: Decoding, MT8870, monolithic integrated circuit, liquid crystal display 毕业设计 2 目目 录录 1 引言 . 3 2 系统方案 . 3 3 系统原