基于at89c52单片机的交通灯控制系统设计(外文翻译)

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1、Hll白£1UNIVEPSliyOFSCICNCEANOTECHNOLOGY电子与借息工程学陵本科毕业论文（设计）外文文献翻译译文题目：8-bitMicrocontrollerWith8KBytesFlashAT89C52学生姓名：吴远超专业：电气工程及其自动化指导教师：倪浩2012年11月外文资料8-bitMicrocontrollerWith8KBytesFlashAT89C52FeaturesCompatiblewithMCS-51™Products8KBytesofIn-SystemReprogra

2、mmableFlashMemoryEndurance:1,000Write/EraseCyclesFullyStaticOperation:0Hzto24MHzThree-levelProgramMemoryLock256x8-bitInternalRAM32ProgrammableI/OLinesThree16-bitTimer/CountersEightInterruptSourcesProgrammableSerialChannelLow-powerIdleandPower-downModesDesc

3、riptionTheAT89C52isalow-power,high-performanceCMOS8-bitmicrocomputerwith8KbytesofFlashprogrammableanderasablereadonlymemory(PEROM).ThedeviceismanufacturedusingAtmel’shigh-densitynonvolatilememorytechnologyandiscompatiblewiththeindustry-standard80C51and80C5

4、2instructionsetandpinout.Theon-chipFlashallowstheprogrammemorytobereprogrammedin-systemorbyaconventionalnonvolatilememoryprogrammer.Bycombiningaversatile8-bitCPUwithFlashonamonolithicchip，theAtmelAT89C52isapowerfulmicrocomputerwhichprovidesahighly-flexible

5、andcost-effectivesolutiontomanyembeddedcontrolapplications.PinConfigurationsPDIPBlockDiagram(T2)P1.0C

6、WR>P3.6匸(RD>P3.7匸XTAL2CXTAL1CGND匸1234567B91011121

7、3141516171819204039383736353433323130292827262524232221]VCC]PO.O(ADO)]P0.1(ADI)]P0.2(AD2)]P0.3(AD3)]P04(AD4>]P0.5(AD5)]P0.6(AD6)]P0.7(AD7)3EA>VPPZJALE'PROG□PSEN]P2.7(A15)□P2.6(A14)]P2.5(A13)□P2.4(A12)□P2.3(A11)□P2.2(A10)]P2.1(A9)]P2.0(A8)POO.P0.7P2O-P2.7•參

8、馨•參•參••參•參■•參••曇••嚳•參••馨••馨參■■參钃■b•4••A••b••!»•••參••曇••馨嚳••參•••••■•馨••馨•參•囔P3.0•P37BREGISTERTMP2PORT2DRIVERSINTERRUPTSERIALPORT.ANDTIMERBLOCKSpro-pi7PinDescriptionvccSupplyvoltage.GNDGround.PortOPort0isan8-bitopendrainbi-directionalI/Oport.Asanoutputport，e

9、achpincansinkeightTTLinputs.WhenIsarewrittentoport0pins，thepinscanbeusedashigh-impedanceinputs.Port0canalsobeconfiguredtobethemultiplexedlow-orderaddress/databusduringaccessestoexternalprogramanddatamemory.In