HT46R23资料

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HT46R23

8-BitOTPMicrocontroller

I2CisatrademarkofPhilipsSemiconductors.

Rev.1.301August17,2001GeneralDescription

Thedeviceisan8-bithighperformanceRISC-likemicrocontrollerdesignedformultipleI/Oproductappli-cations.Itisparticularlysuitableforuseinproductssuchaswashingmachinecontrollersandhomeappli-ances.AHALTfeatureisincludedtoreducepowercon-sumption.Theprogramandoptionmemoriescanbeelectricallyprogrammed,makingthismicrocontrollersuitableforproductdevelopmentapplications.Features

·Operatingvoltage:fSYS=4MHz:3.3V~5.5VfSYS=8MHz:4.5V~5.5V·23bidirectionalI/Olines(max.)·1interruptinputsharedwithanI/Oline·16-bitprogrammabletimer/eventcounterwithoverflowinterruptand7-stageprescaler·On-chipcrystalandRCoscillator·WatchdogTimer·4096´15programmemoryPROM·192´8datamemoryRAM·SupportsPFDforsoundgeneration·HALTfunctionandwake-upfeaturereducepowerconsumption·Upto0.5msinstructioncyclewith8MHzsystemclockatVDD=5V·8-levelsubroutinenesting·8channels10-bitresolution(9-bitaccuracy)A/Dcon-verter·2-channel(6+2)/(7+1)-bitPWMoutputsharedwithtwoI/Olines·Bitmanipulationinstruction·15-bittablereadinstruction·63powerfulinstructions·Allinstructionsinoneortwomachinecycles·Lowvoltageresetfunction·I2CBUS(slavemode)·24/28-pinSKDIP/SOP

package元器件交易网www.cecb2b.comBlockDiagram

Pin

AssignmentHT46R23

Rev.1.302August17,

2001cc元器件交易网www.cecb2b.comPinDescription

PinNameI/OROMCodeOptionDescription

PB0/AN0PB1/AN1PB2/AN2PB3/AN3PB4/AN4PB5/AN5PB6/AN6PB7/AN7I/OPull-highBidirectional8-bitinput/outputport.SoftwareinstructionsdeterminetheCMOSoutput,Schmitttriggerinputwithorwithoutpull-highresistor(deter-minedbypull-highoption:portoption)orA/Dinput.OnceaPBlineisselectedasanA/Dinput(byusingsoftwarecontrol),theI/Ofunctionandpull-highresistoraredisabledautomatically.

PA0~PA2PA3/PFDPA4/TMRPA5/INTPA6/SDAPA7/SCLI/OPull-highWake-upPA3orPFDI/OorSerialBusBidirectional8-bitinput/outputport.Eachbitcan

beconfiguredaswake-upinputbyROMcodeoption.SoftwareinstructionsdeterminetheCMOSout-putorSchmitttriggerinputwithorwithoutpull-highresistor(determinedbypull-highoptions:bitoption).The

PFD,TMRandINTarepin-sharedwithPA3,PA4andPA5,respectively.OncetheI2CBUSfunctionisused,thein-ternalregistersrelatedtoPA6andPA7cannotbeused.

VSS¾¾Negativepowersupply,ground.

PC0~PC4I/OPull-highBidirectional5-bitinput/outputport.SoftwareinstructionsdeterminetheCMOSoutput,Schmitttriggerinputwithorwithoutpull-highresistor(deter-minebypull-highoption:portoption).

PD0/PWM0PD1/PWM1I/OPull-highI/OorPWMBidirectional2-bitinput/outputport.SoftwareinstructionsdeterminetheCMOSoutput,Schmitttriggerinputwithorwithoutapull-highresistor(de-terminedbypull-highoption:portoption).ThePWM0/PWM1outputfunc-tionarepin-sharedwithPD0/PD1(dependentonPWMoptios).

RESI¾Schmitttriggerresetinput.Activelow.

VDD¾¾Positivepowersupply

OSC1OSC2IOCrystalorRCOSC1,OSC2areconnectedtoanRCnetworkoraCrystal(determinedbyROMcodeoption)fortheinternalsystemclock.InthecaseofRCopera-tion,OSC2istheoutputterminalfor1/4systemclock.

AbsoluteMaximumRatings

SupplyVoltage...........................VSS-0.3VtoVSS+5.5VStorageTemperature............................-50°Cto125°C

InputVoltage..............................VSS-0.3VtoVDD+0.3VOperatingTemperature...........................-40°Cto85°C

Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder²AbsoluteMaximumRatings²maycausesubstantialdamagetothedevice.Functionaloperationofthisdeviceatotherconditionsbeyondthoselistedinthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmayaffectdevicereliabil-ity.HT46R23

Rev.1.303August17,2001元器件交易网www.cecb2b.comD.C.CharacteristicsTa=25°CSymbol

ParameterTestConditionsMin.Typ.Max.UnitVDDConditions

VDD1OperatingVoltage¾fSYS=4MHz3.3¾5.5V

VDD2OperatingVoltage¾fSYS=8MHz4.5¾

5.5V

IDD1OperatingCurrent(CrystalOSC)3.3VNoload,fSYS=4MHzADCdisable¾1.33mA

5V¾3.35mA

IDD2OperatingCurrent(RCOSC)3.3VNoload,fSYS=4MHzADCdisable¾1.33mA

5V¾3.35mA

IDD3OperatingCurrent5VNoload,fsys=8MHzADCdisable¾48mA

IADCOnlyADCEnable,OthersDisable3.3VNoload¾12mA

5V¾24mA

ISTB1StandbyCurrent(WDTEnabled)3.3VNoload,systemHALT¾¾5mA

5V¾¾10mA

ISTB2StandbyCurrent(WDTDisabled)3.3VNoload,systemHALT¾¾1mA

5V¾¾2mA

VADA/DInputVoltage¾¾0¾VDDV

VIL1InputLowVoltageforI/OPorts,TMRandINT3.3V¾0¾0.3VDDV

5V¾0¾0.3VDDV

VIH1InputHighVoltageforI/OPorts,TMRandINT3.3V¾0.7VDD¾VDDV

5V¾0.7VDD¾VDDV

VIL2InputLowVoltage(RES)3.3V¾0¾0.4VDDV

5V¾0¾0.4VDDV

VIH2InputHighVoltage(RES)3.3V¾0.9VDD¾VDDV

5V¾0.9VDD¾VDDV

VLVRLowVoltageReset¾¾2.733.3V

IOLI/OPortSinkCurrent3.3VVOL=0.1VDD48¾mA

5VVOL=0.1VDD1020¾mA

IOHI/OPortSourceCurrent3.3VVOH=0.9VDD-2-4¾mA

5VVOH=0.9VDD-5-10¾mA

RPHPull-highResistance3.3V¾406080kW

5V¾103050kW

EADA/DConversionError5V¾¾±0.5±1LSBHT46R23

Rev.1.304August17,2001元器件交易网www.cecb2b.com