intel 87C51о?

CHMOSSINGLE-CHIP8-BITMICROCONTROLLERS

Commercial󰁋Express87C51FA󰁋83C51FA󰁋80C51FA󰁋87C51FB󰁋83C51FB󰁋87C51FC󰁋83C51FC

󰀂SeeTable1forProliferationOptions

Y

HighPerformanceCHMOSEPROM󰁋ROM󰁋CPU12󰁋24󰁋33MHzOperationThree16-BitTimer󰁋CountersProgrammableCounterArraywith󰀌󰁛HighSpeedOutput󰀷󰁛Compare󰁋Capture󰀷

󰁛PulseWidthModulator󰀷

󰁛WatchdogTimerCapabilitiesUp󰁋DownTimer󰁋Counter

ThreeLevelProgramLockSystem8K󰁋16K󰁋32KOn-ChipProgramMemory256BytesofOn-ChipDataRAMImprovedQuickPulseProgrammingAlgorithm

BooleanProcessor

YYYY

32ProgrammableI󰁋OLines7InterruptSources

FourLevelInterruptPriorityProgrammableSerialChannelwith󰀌󰁛FramingErrorDetection

󰁛AutomaticAddressRecognitionTTLCompatibleLogicLevels64KExternalProgramMemorySpace64KExternalDataMemorySpaceMCS󰀄51ControllerCompatibleInstructionSet

PowerSavingIdleandPowerDownModes

ONCE(On-CircuitEmulation)ModeExtendedTemperatureRangeExceptfor33MHzOffering(b40󰀅Ctoa85󰀅C)

YYY

YYYY

YYYYY

Y

YY

Y

MEMORYORGANIZATION

ROMDevice83C51FA83C51FB83C51FC

EPROMVersion87C51FA87C51FB87C51FC

ROMLESSVersion80C51FA80C51FA80C51FA

ROM󰁋EPROMBytes8K16K32K

RAMBytes256256256

Thesedevicescanaddressupto64Kbytesofexternalprogram󰁋datamemory󰀟

TheIntel87C51FA󰁋8XC51FB󰁋8XC51FCisasingle-chipcontrolorientedmicrocontrollerwhichisfabricatedonIntel’sreliableCHMOSIII-Etechnology󰀟TheIntel83C51FA󰁋80C51FAisfabricatedonCHMOSIIItechnology󰀟BeingamemberoftheMCS󰀄51controllerfamily󰀸the8XC51FA󰁋8XC51FB󰁋8XC51FCusesthesamepowerfulinstructionset󰀸hasthesamearchitecture󰀸andispin-for-pincompatiblewiththeexistingMCS51controllerproducts󰀟The8XC51FA󰁋8XC51FB󰁋8XC51FCisanenhancedversionofthe8XC52󰁋8XC54󰁋8XC58󰀟ItsaddedfeaturesmakeitanevenmorepowerfulmicrocontrollerforapplicationsthatrequirePulseWidthModulation󰀸HighSpeedI󰁋Oandup󰁋downcountingcapabilitiessuchasmotorcontrol󰀟

Fortheremainderofthisdocument󰀸the8XC51FA󰀸8XC51FB󰀸8XC51FCwillbereferredtoasthe8XC51FX󰀸unlessinformationappliestoaspecificdevice󰀟

󰀂Otherbrandsandnamesarethepropertyoftheirrespectiveowners󰀟

InformationinthisdocumentisprovidedinconnectionwithIntelproducts󰀟Intelassumesnoliabilitywhatsoever󰀸includinginfringementofanypatentorcopyright󰀸forsaleanduseofIntelproductsexceptasprovidedinIntel’sTermsandConditionsofSaleforsuchproducts󰀟Intelretainstherighttomakechangestothesespecificationsatanytime󰀸withoutnotice󰀟MicrocomputerProductsmayhaveminorvariationstothisspecificationknownaserrata󰀟COPYRIGHT󰀁INTELCORPORATION󰀸1996April1996OrderNumber󰀌272322-004