©MOTOROLA,INC.,1996Howtoreachus:USA/EUROPE/LocationsNotListed:MotorolaLiteratureDistribution;P.O.Box20912;Phoenix,Arizona85036.1-800-441-2447or602/303-5454MFAX:RMFAX0@email.sps.mot.com-TOUCHTONE(602)244-6609INTERNET::MotorolaSemiconductorsH.K.Ltd.;8BTaiPingIndustrialPark,51TingKokRoad,TaiPo,N.T.,HongKong.852-26629298Motorolareservestherighttomakechangeswithoutfurthernoticetoanyproductsherein.Motorolamakesnowarranty,representationorguaranteeregardingthesuitabilityofitsproductsforanyparticularpurpose,nordoesMotorolaassumeanyliabilityarisingoutoftheapplicationoruseofanyproductorcircuit,andspecificallydisclaimsanyandallliability,includingwithoutlimitationconsequentialorincidentaldamages.TypicalparameterswhichmaybeprovidedinMotoroladatasheetsand/orspecificationscananddovaryindifferentapplications.Alloperatingparameters,includingTypicalsmustbevalidatedforeachcustomerapplicationbycustomer'stechnicalexperts.Motoroladoesnotconveyanylicenseunderitspatentrightsnortherightsofothers.Motorolaproductsarenotdesigned,intended,orauthorizedforuseascomponentsinsystemsintendedforsurgicalimplantintothebody,orotherapplicationsintendedtosupportorsustainlife,orforanyotherapplicationinwhichthefailureoftheMotorolaproductcouldcreateasituationwherepersonalinjuryordeathmayoccur.ShouldBuyerpurchaseoruseMotorolaproductsforanysuchunintendedorunauthorizedapplication,BuyershallindemnifyandholdMotorolaanditsofficers,employees,subsidiaries,affiliates,anddistributorsharmlessagainstallclaims,costs,damages,andexpenses,andreasonableattorneyfeesarisingoutof,directlyorindirectly,anyclaimofpersonalinjuryordeathassociatedwithsuchunintendedorunauthorizeduse,evenifsuchclaimallegesthatMotorolawasnegligentregardingthedesignormanufactureofthepart.MCUinit,MCUasm,MCUdebug,andRTEKaretrademarksofMotorola,Inc.MotorolaandtheMotorolalogoareregisteredtrademarksofMotorola,Inc.Motorola,Inc.isanEqualOpportunity/AffirmativeActionEmployer.MC68HC58DATALINKCONTROLLERMC68HC58MOTOROLATECHNICALDATAiiiParagraphTitlePageSECTION1INTRODUCTIONSECTION2SIGNALANDPINDESCRIPTIONS2.1MC68HC58DLCParallelMode................................................................2-12.1.1DLCParallelModePinFunction.......................................................2-22.1.1.1ADDR0—AddressBit..............................................................2-22.1.1.2BUS—SAEJ1850MultiplexBus.............................................2-22.1.1.3CS—DLCChip-Select.............................................................2-22.1.1.4DATA[7:0]—DLCDataBus.....................................................2-32.1.1.5ECLK—6800BusClock..........................................................2-32.1.1.6INT—DLCInterruptRequest...................................................2-32.1.1.7LITO—LogicInTransceiverOut.............................................2-32.1.1.8LOAD—ExternalBusLoad.....................................................2-32.1.1.9LOTI—LogicOutTransceiverIn.............................................2-32.1.1.10OSC1,OSC2—ExternalOscillator..........................................2-32.1.1.11PRLMD—ParallelMode..........................................................2-32.1.1.12PSEN—PowerSupplyEnable................................................2-32.1.1.13RST—DLCReset....................................................................2-42.1.1.14REXT—ExternalBiasResistor................................................2-42.1.1.15R/W—Read/WriteStrobe........................................................2-42.1.1.16VBATT—BatteryVoltage..........................................................2-42.1.1.17VCC—AnalogPowerSupplyVoltage......................................2-42.1.1.18VDD—DigitalPowerSupplyVoltage.......................................2-42.1.1.19VSSA—AnalogPowerGround................................................2-42.1.1.20VSSD—DigitalPowerGround.................................................2-42.1.2ExampleDLCParallelModeSystem................................................2-52.2MC68HC58DLCSerialMode...................................................................2-72.2.1DLCSerialModePinFunction..........................................................2-72.2.1.1BUS—SAEJ1850MultiplexBus.............................................2-72.2.1.2CS—DLCChip-Select.............................................................2-72.2.1.3INT—DLCInterruptRequest...................................................2-82.2.1.4LITO—LogicInTransceiverOut.............................................2-82.2.1.5LOAD—ExternalBusLoad.....................................................2-82.2.1.6LOTI—LogicOutTransceiverIn.............................................2-82.2.1.7OSC1,OSC2—ExternalOscillator..........................................2-82.2.1.8PRLMD—ParallelMode...........................................................2-82.2.1.9PSEN—PowerSupplyEnable