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1、摘要隨著單片機的日益發(fā)展，其應(yīng)用也越來越廣泛，通過對“汽車轉(zhuǎn)彎燈單片機控制系統(tǒng)”設(shè)計，可以對單片機的知識得到鞏固和擴張。本設(shè)計是設(shè)計一個單片機控制系統(tǒng)。在汽車進行左轉(zhuǎn)彎、右轉(zhuǎn)彎、剎車、合緊急開關(guān)、?？康炔僮鲄?，實現(xiàn)對■各種信號指示燈的控制。本設(shè)計主要是對旳片機的并行輸入/輸出口電路的應(yīng)用，通過I/O口控制發(fā)光二極管的亮、滅、閃爍，加上一?些復位電路、按鍵電路、驅(qū)動電路來模擬汽車尾燈的功能。汽車在駕駛時有左轉(zhuǎn)彎、右轉(zhuǎn)彎、剎車、合緊急開關(guān)、?？康炔僮鳌Ｔ谧筠D(zhuǎn)彎或右轉(zhuǎn)彎時，通過轉(zhuǎn)彎操作桿應(yīng)使左轉(zhuǎn)開關(guān)或右轉(zhuǎn)開關(guān)合上，從而使左頭燈、儀表板左轉(zhuǎn)彎燈、左尾燈或右頭燈、儀衣板右轉(zhuǎn)彎燈、右尾燈閃爍；合緊急開
2、關(guān)時要求前面所述的6個信號燈全部閃爍；汽車剎車時，兩個尾燈點亮；如止當轉(zhuǎn)彎吋剎車，則轉(zhuǎn)彎吋原應(yīng)閃爍的信號燈仍應(yīng)閃爍。以上閃爍，都是頻率為1Hz的低頻閃爍；在汽車?？慷？块_關(guān)合上吋，左頭燈、右頭燈、左尾燈、右尾燈按頻率為30Hz的髙頻閃爍。通過做實物，編寫程序，完成了設(shè)計的要求。通過該設(shè)計，対單片機的認識有了更進—涉的了解，對單片機的各個口的功能作用了解加深，對Protel的應(yīng)用更加熟練，對設(shè)計系統(tǒng)有了了解，掌握了一些設(shè)計方法，受益不少。關(guān)鍵詞：單片機，汽車信號轉(zhuǎn)彎燈，電路基礎(chǔ)，數(shù)字電子技術(shù)ABSTRACTAlongwiththedevelopmentofsinglechip,itsapp
3、licationinmoreandmorewidely,throughtotheMautolampsingle-chipmicrocomputercontrolsystem11turningtothesinglechipdesign,cantheknowledgehasbeenconsolidatedandexpansion.Thisdesignisthedesignofasingle-chipmicrocomputercontrolsystem.Inthecarleftturn,turnright,brakes,andemergencyswitch,calloperation,sucha
4、stherealizationtothevarioussignalindicatorlightcontrol.Thisdesignismainlytothechipparallelinput/outputcircuitapplication,throughtheI/Ocontrolledsonthemouth,destroy,flashing,plussomeresetcircuitcircuit,drivecircuit,keystosimulatethefunctionofoutsourcing.Inacardrivingleftturn,turnright,brakes,andeme
5、rgencyswitch,calloperation.In(umleftorrightturn,turnthroughtheoperationshouldmakealeftturnpoleswitchorturnrightswitchclosed,sothatlefttheheadlamp,instrumentpanelturnleftlamp,leftorrighttaillightstheheadlamp,dashboardsturnrightlamp,righttaillightsflashing;Andemergencyswitch,andtherequirementsofthem
6、entionedsixlightsflashingall;Automobilebraking,twotaillightslight;Suchaslegitimateturningthebrakes,isturningtheflashinglightsshouldbeshouldstillflashing.Aboveall,thefrequencyofflashing,is1Hzacfrequencytwinkle;Incardockandparkedclosetheswitchwhentheheadlamp,right,left,theheadkinip,left,andrighttail
7、lightsfor30Hzacfrequencytaillightsinthehighfrequencyblinking.Throughthedophysical,writeprograms,completethedesignrequirements?Throughthedesignofthesinglechip,recognizethefurtherunderstandingofthesinglechip,thefun
