EM78P156,EM78P156ELM,规格书,技术资料,datasheet,PDF,义隆代理商

EM78P156ELOTPROMEM78P156EL8-BITMICRO-CONTROLLERVersion1.3ELAN0755-28269789(V1.3)2ELAN0755-28269789*13-bitsElectricalOneTimeProgrammableReadOnlyMemory(OTP-ROM).ItprovidesaPROTECTIONbittopreventuser’scodeintheOTPmemoryfrombeingintruded.6OPTIONbitsarealsoavailabletomeetuser’srequirements.WithitsOTP-ROMfeature,theEM78P156ELisabletoofferaconvenientwayofdevelopingandverifyinguser’sprograms.Moreover,usercantakeadvantageofEMCWritertoeasilyprogramhisdevelopmentcode.Thisspecificationissubjecttochangewithoutpriornotice.07.29.2004(V1.3)3ELAN0755-28269789•Operatingvoltagerange:2.3V~5.5V•Operatingtemperaturerange:0°C~70°C•Operatingfrequencyrang(baseon2clocks):*Crystalmode:DC~20MHzat5V,DC~8MHzat3V,DC~4MHzat2.3V.*ERCmode:DC~4MHzat5V,DC~4MHzat3V,DC~4MHzat2.3V.•Lowpowerconsumption:*Lessthen2.0mAat5V/4MHz*Typically15µAat3V/32KHz*Typically1µAduringsleepmode•1K×13bitsonchipROM•OnesecurityregistertopreventintrusionofOTPmemorycodes•Oneconfigurationregistertoaccommodateuser’srequirements•48×8bitsonchipregisters(SRAM,generalpurposeregister)•2bi-directionalI/Oports•5levelstacksforsubroutinenesting•8-bitrealtimeclock/counter(TCC)withselectivesignalsources,triggeredges,andoverflowinterrupt•Twoclocksperinstructioncycle•Powerdown(SLEEP)mode•Threeavailableinterruptions*TCCoverflowinterrupt*Input-portstatuschangedinterrupt(wakeupfromsleepmode)*Externalinterrupt•Programmablefreerunningwatchdogtimer•8programmablepull-highpins•7programmablepull-downpins•8programmableopen-drainpins•2programmableR-optionpins•Packagetypes:*18pinDIP300mil:EM78P156ELP*18pinSOP300mil:EM78P156ELMThisspecificationissubjecttochangewithoutpriornotice.07.29.2004(V1.3)4ELAN0755-28269789*20pinSSOP209mil:EM78P156ELAS*20pinSSOP209mil:EM78P156ELKM•99.9%singleinstructioncyclecommands•ThetransientpointofsystemfrequencybetweenHXTandLXTisaround400KHzThisspecificationissubjecttochangewithoutpriornotice.07.29.2004(V1.3)5ELAN0755-28269789*Powersupply.OSCI16I*XTALtype:Crystalinputterminalorexternalclockinputpin.*ERCtype:RCoscillatorinputpin.OSCO15I/O*XTALtype:Outputterminalforcrystaloscillatororexternalclockinputpin.*RCtype:Instructionclockoutput.*Externalclocksignalinput.TCC3I*Therealtimeclock/counter(withSchmitttriggerinputpin),mustbetiedtoVDDorVSSifnotinuse./RESET4I*InputpinwithSchmitttrigger.Ifthispinremainsatlogiclow,thecontrollerwillalsoremaininresetcondition.P50~P5317,18,1,2I/O*P50~P53arebi-directionalI/Opins.*P50andP51canalsobedefinedastheR-optionpins.*P50~P52canbepulled-downbysoftware.P60~P676~13I/O*P60~P67arebi-directionalI/Opins.*Thesecanbepulled-highorcanbeopen-drainbysoftwareprogramming.*P60~P63canalsobepulled-downbysoftware./INT6I*Externalinterruptpintriggeredbyfallingedge.VSS5-*Ground.Thisspecificationissubjecttochangewithoutpriornotice.07.29.2004(V1.3)6ELAN0755-28269789*Powersupply.OSCI17I*XTALtype:Crystalinputterminalorexternalclockinputpin.*ERCtype:RCoscillatorinputpin.OSCO16I/O*XTALtype:Outputterminalforcrystaloscillatororexternalclockinputpin.*RCtype:Instructionclockoutput.*Externalclocksignalinput.TCC4I*Therealtimeclock/counter(withSchmitttriggerinputpin),mustbetiedtoVDDorVSSifnotinuse./RESET5I*InputpinwithSchmitttrigger.Ifthispinremainsatlogiclow,thecontrollerwillalsoremaininresetcondition.P50~P5318,19,2,3I/O*P50~P53arebi-directionalI/Opins.*P50andP51canalsobedefinedastheR-optionpins.*P50~P52canbepulled-downbysoftware.P60~P677~14I/O*P60~P67arebi-directionalI/Opins.*Thesecanbepulled-highorcanbeopen-drainbysoftwareprogramming.*P60~P63canalsobepulled-downbysoftware./INT7I*Externalinterruptpintriggeredbyfallingedge.VSS6-*Ground.Table3EM78P156ELKMPinDescriptionSymbolPinNo.TypeFunctionVDD15,16-*Powersupply.OSCI18I*XTALtype:Crystalinputterminalorexternalclockinputpin.*ERCtype:RCoscillatorinputpin.OSCO17I/O*XTALtype:Outputtermi