MCHC908JW32FC中文资料

M68HC08Microcontrollersfreescale.comMC68HC908JW32DataSheetMC68HC908JW32Rev.510/2006MC68HC908JW32DataSheet,Rev.5FreescaleSemiconductor3Freescale™andtheFreescalelogoaretrademarksofFreescaleSemiconductor,Inc.ThisproductincorporatesSuperFlash®technologylicensedfromSST.©FreescaleSemiconductor,Inc.,2005,2006.Allrightsreserved.MC68HC908JW32DataSheetToprovidethemostup-to-dateinformation,therevisionofourdocumentsontheWorldWideWebwillbethemostcurrent.Yourprintedcopymaybeanearlierrevision.Toverifyyouhavethelatestinformationavailable,referto:(s)January,20052Firstgeneralrelease.—March,20053Secondgeneralrelease.Cleanedtypos.—October,20064Table4-1.InstructionSetSummary—UpdateddefinitionfortheSTOPinstructionandaddedWAITinstruction.485.4I/OSignals—RemovedsubsectionsreferringtoVDDAandVSSA.64Figure5-1.CGMBlockDiagram—CorrectedreferencestoVDDAandVSSAtoVDDandVSS.56Figure5-3.CGMExternalConnections—RemovedVDDconnectiontoVDDPLL.63Figure5-10.PLLFilter—CorrectedreferencetoVSSAtoVSS.72Figure7-1.MonitorModeCircuit—CorrectedVDDPLLconnection.92Chapter20OrderingInformationandMechanicalSpecifications—Combinedorderinginformationandmechanicalspecifications.Updatedpackagedimensionstothelatestavailableattimeofpublication.219October,200651.7.2AnalogyPowerSupply(VDDPLLandVSSPLL)—Reworkedforclarity.21MC68HC908JW32DataSheet,Rev.5FreescaleSemiconductor5ListofChaptersChapter1GeneralDescription................................................17Chapter2Memory..........................................................23Chapter3ConfigurationRegisters(CONFIG)...................................39Chapter4CentralProcessorUnit(CPU)........................................43Chapter5ClockGeneratorModule(CGM)......................................55Chapter6SystemIntegrationModule(SIM).....................................73Chapter7MonitorROM(MON)...............................................91Chapter8TimerInterfaceModule(TIM).......................................105Chapter9TimebaseModule(TBM)...........................................121Chapter10SerialPeripheralInterfaceModule(SPI).............................125Chapter11USB2.0FSModule..............................................145Chapter12PS2ClockGenerator(PS2CLK)....................................161Chapter13Input/Output(I/O)Ports...........................................165Chapter14ExternalInterrupt(IRQ)...........................................183Chapter15KeyboardInterruptModule(KBI)...................................189Chapter16ComputerOperatingProperly(COP)................................195Chapter17Low-VoltageInhibit(LVI)..........................................199Chapter18BreakModule(BRK).............................................203Chapter19ElectricalSpecifications..........................................209Chapter20OrderingInformationandMechanicalSpecifications..................219ListofChaptersMC68HC908JW32DataSheet,Rev.56FreescaleSemiconductorMC68HC908JW32DataSheet,Rev.5FreescaleSemiconductor7TableofContentsChapter1GeneralDescription1.1Introduction................................................................171.2Features...................................................................171.3MCUBlockDiagram.........................................................181.4PinAssignments............................................................191.5ClockTree.................................................................191.6PowerManagement..........................................................201.7PinFunction................................................................211.7.1PowerSupplyPins(VDDandVSS)............................................211.7.2AnalogyPowerSupply(VDDPLLandVSSPLL)....................................211.7.3InternalVoltageRegulatorSupply(REG25V,REG33V,andVSS33)..................211.7.4OscillatorPins(OSC1andOSC2)............................................211.7.5ExternalResetPin(RST)...................................................221.7.6ExternalInterruptPin(IRQ).................................................221.7.7ExternalFilterCapacitorPin(CGMXFC).......................................221.7.8PortAInput/Output(I/O)Pins(PTA7–PTA0)....................................221.7.9PortBInput/Output(I/O)Pins(PTB5,PTB1,PTB0)..............................221.7.10PortCInput/Output(I/O)Pins(PTC3–PTC0)...................................221.7.11PortDInput/Output(I/O)Pins(PTD7–PTD0)...................................221.7.12PortEInput/Output(I/O)Pins(PTE7–PTE2)....................................22Chapter2Memory2.1Introduction................................................................232.2Input/OutputI/OSection......................................................232.3MonitorROM....................