毕业的设计论文基于单片机的电子音乐门铃的设计.doc

基于单片机的电子音乐门铃的设计 摘 要 随着时代的前进和发展，控制智能化、仪器小型化、功耗微小化得到广泛关注。在这些领域中，单片机起到了举足轻重的作用，这就把单片机的应用提升到重要的地位，单片机应用系统设计就成为新的技术热点。 近几年来，随着市场上智能化楼宇的不断升温，门铃系统已作为智能化办公室和智能化住宅小区的一个重要组成部分，被各商家和用户所接受。人们已开始习惯用门铃系统代替传统的铁钥匙去管理各通道门，这使门铃系统得到了飞跃性的发展。本系统主要完成，等功能：he design of electronic music doorbell based on Single Chip Microprocessor Abstract With the progress of the times and development of intelligent control,small machines, micro-power consumption get a wide concern. In these areas,Single chip microprocessor played a pivotal role,which the MCU applications important to enhance the status of Single Chip Microprocessor applications designed to become the new hot technology. In recent years,with intelligent buildings on the market has been heating up,the doorbell system has been as intelligent office and intelligent residential quarters of an important component of the traders and users to accept. People have begun to use doorbell system used to replace the traditional iron keys to manage the access door, rang the doorbell so that this system has been leap of development. With the rapid development of Single Chip Microprocessor technology,people will increasingly become an important future development direction, through the material life of the meet. It is introduced by the AT89C51 chip to a system of electronic music doorbell process. This system is mainly to complete the electronic doorbell rang the doorbell not only a common electronic features, but also has some extensions. Its work by the state to set its own users, such as conventional capabilities, and visitors to provide the necessary response to the voice and text information, in addition, users can also visit a wide range of information enquiries. Key words: Single Chip Microprocessor;Electronic doorbell;LCD display;Voice record-play 目 录 引 言 1 第1章 绪论 2 1.1 概述 2 1.2课题的总体设计及思路 2 第2章 硬件电路设计 4 2.1 硬件最小系统设计 4 2.1.1 核心芯片AT89C51简介 4 2.1.2 复位电路的设计 5 2.1.3 时钟电路的设计 6 2.1.4 存储器的分配 7 2.2 时钟电路的设计 8 2.2.1 DS1302