【正文】 lication system were analyzed each part of hardware and software realization. This design is to plete a reliable and stable working voice recording circuit. The design is simple in structure, reliable control and facilitate promotion. Keyword: ISD4004； 89C52microcontroller； voice recording and playback 孟新：基于單片機的語音錄放器設(shè)計 2 目錄 引 言 ............................................................................................................................................. 1 第 1章緒論 ........................................................................................................................................ 2 系統(tǒng)設(shè)計的意義 ........................................................................................................................ 2 系統(tǒng)設(shè)計的目的 ........................................................................................................................ 2 ................................................................................................................ 3 第 2章 單片機控制技術(shù)和開發(fā)環(huán)境介紹 ............................................................................................ 4 STC12C5A60S2 單片 機性能和引腳介紹 ..................................................................................... 4 STC12C5A60S2 系列單片機簡介 ......................................................................................... 4 STC12C5A60S2 主要性能參數(shù) ............................................................................................. 4 STC12C5A60S2 引腳 ........................................................................................................... 5 keil開 發(fā)環(huán)境和建立工程 ........................................................................................................... 7 keil簡介 ............................................................................................................................. 7 Keil工程建立 ..................................................................................................................... 7 ISD4004介紹 ........................................................................................................................ 10 性能簡述和引腳圖 ............................................................................................................ 10 引腳描述 .......................................................................................................................... 10 SPI(串行外設(shè)接口 )............................................................................................................... 12 協(xié)議介紹 .......................................................................................................................... 12 信息快進(jìn) ......................................................................................................................... 13 上電順序 .......................................................................................................................... 13 SPI 端口的控制位 ............................................................................................................. 14 SPI 控制寄存器 ................................................................................................................. 15 時序 ................................................................................................................................. 15 第 3章 系統(tǒng)總體設(shè)計 ........................................................................................................ 17 硬件電路設(shè)計 ....................................................................................................................... 17 ............................................................................................................................... 20 語音芯片的內(nèi)部信息尋址機制 ........................................................................................... 20 監(jiān)控 ISD4004錄音地址的實例 ......................................................................................... 21 程序流程圖 ....................................................................................................................... 21 第 4 章 測試實例 ............................................................................................................................. 23 測試內(nèi)容 .............................................................................................................................. 23 參考文獻(xiàn) ......................................................................................................................................... 25 安徽工程大學(xué)畢業(yè)設(shè)計（論文） 插圖清單 圖 STC12C5A60S2單片機引腳圖 ............................................................................................ 6 圖 選擇單片機型號 ............................................................................................................... 8 圖 加入文件 .......................................................................................................................... 8 圖 重復(fù)加入源程序得到的提示 ......................................................................................