【正文】 .......................................................2 市場上單片機實驗開發(fā)板情況 ...........................................................2 課題研究的意義 ...................................................................................33 課題研究內(nèi)容 .............................................................................................4 研究主要內(nèi)容 .......................................................................................4 主要方案選擇 .......................................................................................44 主要器件的原理及應(yīng)用 .............................................................................5 ATMEGA16 ............................................................................................5 ATmega16L 性能 .................................................................................................5 引腳說明 ..............................................................................................................7 AVR CPU 內(nèi)核 ..........................................................................................9 STC89C52...........................................................................................10 STC89C52 性能 .................................................................................................10 STC89C52 內(nèi)部結(jié)構(gòu)圖及外部管腳圖 .............................................................11 74HC595 芯片資料 ............................................................................12 芯片特點 ............................................................................................................12 輸出能力 ............................................................................................................12 芯片描述 ............................................................................................................13 參考數(shù)據(jù) ............................................................................................................13 引腳說明 ............................................................................................................13 高耐壓、大電流達林頓陳列— ULN2022.........................................15. . . .. . 學(xué)習(xí)好幫手 概述與特點 ........................................................................................................15 外部管腳圖 ........................................................................................................15 極限值 ................................................................................................................16 DS18B20 溫度采集芯片 ....................................................................16 芯片特性 ............................................................................................................16 DS18B20 的內(nèi)部結(jié)構(gòu) ........................................................................................17 DS18B20 溫度傳感器的存儲器 ........................................................................18 DS1820 使用中注意事項 ..................................................................................19 DS1302................................................................................................19 DS1302 概述 ......................................................................................................19 DS1302 的基本組成和工作原理 .....................................................................21 DS1302 內(nèi)部寄存器 .........................................................................................21 24C02 ..................................................................................................21 1K/2K/4K/8K/16K 位串行 E2PROM..............................................................21 工作特性和可靠參數(shù) ........................................................................................22 24C02 概述 .........................................................................................................22 極限參數(shù) ............................................................................................................23 可靠性參數(shù) ........................................................................................................23 功能描述 ............................................................................................................23 管腳描述 ............................................................................................................23 12864 液晶顯示 ..................................................................................24 概述 ....................................................................................................................24 基本特性 ............................................................................................................25 方框圖 ................................................................................................................26 外形尺寸圖 ........................................................................................................26 模塊接口說明 ....................................................................................................27 模塊主要硬件構(gòu)成說明 ....................................................................................27 E 信號 .................................................................................................................285 整體電路設(shè)計 ...........................................................................................29 主控制 MCU 模塊 ..............................................................................29 DS1302 時鐘模塊 ...............................................................................31 74HC595 串轉(zhuǎn)并模塊 ........................................................................32 8*8 點陣模塊 ......................................................................................32 數(shù)碼管模塊 .........................................................................................33. . . .. . 學(xué)習(xí)好幫手 流水燈模塊 ........................