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【正文】 ..............................................................................................2 PROTUES 仿真軟件簡(jiǎn)介 .........................................................................................................................3第 3 章 系統(tǒng)硬件設(shè)計(jì) ....................................................................................................................................3 整體硬件設(shè)計(jì)思路 ...............................................................................................................................3 89C52 單片機(jī)簡(jiǎn)介 ................................................................................................................................4 STC89C52 最小系統(tǒng) .............................................................................................................................5 晶振電路 .......................................................................................................................................5 復(fù)位電路 .......................................................................................................................................6 外圍電路設(shè)計(jì) ........................................................................................................................................6 按鍵選擇控制電路 .......................................................................................................................6 DAC0832 連接和幅值調(diào)節(jié)電路 ...................................................................................................6 顯示電路 .......................................................................................................................................8第 4 章 系統(tǒng)軟件設(shè)計(jì) ....................................................................................................................................8 軟件整體設(shè)計(jì)方案方框圖介紹 ............................................................................................................8 程序設(shè)計(jì) ................................................................................................................................................9 程序編寫介紹 ...............................................................................................................................9 KeilμVision3 程序編譯 .................................................................................................................9 程序的調(diào)試與仿真 ..............................................................................................................................12第 5 章 總結(jié)與展望 ......................................................................................................................................12 總結(jié) .....................................................................................................................................................12 展望 ..............................................................................................................................
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