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