iC-LV
5ꢀBITꢁOPTOꢁENCODER
RevꢁA3,ꢁPageꢁ11/12
APPLICATIONS INFORMATION
IfꢁaꢁstableꢁSSIꢁoutputꢁlevelꢁisꢁrequiredꢁallꢁMSBsꢁused
inꢁtheꢁsynchronizationꢁchainꢁmustꢁbeꢁswitchedꢁtoꢁthe
relevantꢁoutputsꢁonꢁtheꢁfirstꢁfallingꢁedge.ꢁTheꢁiCꢀLV
chainꢁshouldꢁalsoꢁbeꢁsynchronizedꢁinꢁitsꢁentiretyꢁbeꢀ
foreꢁtheꢁfirstꢁrisingꢁedgeꢁofꢁSCLK.
Inꢁtheꢁsynchronizationꢁmodesꢁallꢁofꢁtheꢁinformationꢁis
outputꢁafterꢁjustꢁ4ꢁrisingꢁclockꢁedgesꢁperꢁchainedꢁiCꢀ
LV.
InꢁkeepingꢁwithꢁtheꢁrequiredꢁSSIꢁclockꢁfrequencyꢁthe
timeꢁspanꢁofꢁtheꢁinternalꢁmonoflop,ꢁusedꢁtoꢁdetectꢁidle
timesꢁonꢁtheꢁclockꢁline,ꢁcanꢁbeꢁadjustedꢁbyꢁexternally
connectingꢁpinꢁRCꢁtoꢁanꢁRCꢁnetwork.ꢁShouldꢁpinꢁRC
remainꢁunconnected,ꢁtmfꢁ(ElectricalꢁCharacteristics
No.ꢁ603)ꢁisꢁtakenꢁasꢁtheꢁinternalꢁtimeꢁspan.
Toꢁguaranteeꢁfunctionalityꢁitꢁisꢁsufficientꢁforꢁsynchroniꢀ
zationꢁtoꢁbeꢁcompletedꢁbyꢁtheꢁsecondꢁfallingꢁedgeꢁof
SCLK;ꢁSOUTꢁis,ꢁhowever,ꢁthenꢁnotꢁstableꢁforꢁhalfꢁa
clockꢁcycle.ꢁDespiteꢁthisꢁlimitationꢁitꢁisꢁalsoꢁpossibleꢁto
synchronizeꢁwithꢁMSBsꢁwhichꢁareꢁonlyꢁoutputꢁonꢁthe
firstꢁrisingꢁSCLKꢁedgeꢁ(e.g.ꢁfromꢁexternalꢁSSIꢀcomꢀ
patibleꢁdevices).
Note:ꢁiCꢀLVꢁstoresꢁinputꢁdataꢁreceivedꢁatꢁSERINꢁon
theꢁfallingꢁedgeꢁofꢁSCLKꢁandꢁoutputsꢁdataꢁviaꢁSOUT
onꢁtheꢁrisingꢁedgeꢁofꢁSCLK.
Figureꢁ3ꢁgivesꢁsignalꢁpatternsꢁforꢁaꢁcascadeꢁofꢁthree
iCꢀLVs.
Figureꢁ3:ꢁSOUTꢁinꢁtheꢁvariousꢁmodesꢁofꢁoperation.
Thisꢁspecificationꢁisꢁforꢁaꢁnewlyꢁdevelopedꢁproduct.ꢁiCꢀHausꢁthereforeꢁreservesꢁtheꢁrightꢁtoꢁchangeꢁorꢁupdate,ꢁwithoutꢁnotice,ꢁanyꢁinformationꢁcontainedꢁherein,
designꢁandꢁspecification;ꢁandꢁtoꢁdiscontinueꢁorꢁlimitꢁproductionꢁorꢁdistributionꢁofꢁanyꢁproductꢁversions.ꢁꢁPleaseꢁcontactꢁiCꢀHausꢁtoꢁascertainꢁtheꢁcurrentꢁdata.
CopyingꢁꢀꢁevenꢁasꢁanꢁexcerptꢁꢀꢁisꢁonlyꢁpermittedꢁwithꢁiCꢀHausꢁapprovalꢁinꢁwritingꢁandꢁpreciseꢁreferenceꢁtoꢁsource.
iCꢀHausꢁdoesꢁnotꢁwarrantꢁtheꢁaccuracy,ꢁcompletenessꢁorꢁtimelinessꢁofꢁtheꢁspecificationꢁonꢁthisꢁsiteꢁandꢁdoesꢁnotꢁassumeꢁliabilityꢁforꢁanyꢁerrorsꢁorꢁomissionsꢁin
theꢁmaterials.ꢁTheꢁdataꢁspecifiedꢁisꢁintendedꢁsolelyꢁforꢁtheꢁpurposeꢁofꢁproductꢁdescription.ꢁꢁNoꢁrepresentationsꢁorꢁwarranties,ꢁeitherꢁexpressꢁorꢁimplied,ꢁof
merchantability,ꢁfitnessꢁforꢁaꢁparticularꢁpurposeꢁorꢁofꢁanyꢁotherꢁnatureꢁareꢁmadeꢁhereunderꢁwithꢁrespectꢁtoꢁinformation/specificationꢁorꢁtheꢁproductsꢁtoꢁwhich
informationꢁrefersꢁandꢁnoꢁguaranteeꢁwithꢁrespectꢁtoꢁcomplianceꢁtoꢁtheꢁintendedꢁuseꢁisꢁgiven.ꢁInꢁparticular,ꢁthisꢁalsoꢁappliesꢁtoꢁtheꢁstatedꢁpossibleꢁapplications
orꢁareasꢁofꢁapplicationsꢁofꢁtheꢁproduct.ꢁ
iCꢀHausꢁconveysꢁnoꢁpatent,ꢁcopyright,ꢁmaskꢁworkꢁrightꢁorꢁotherꢁtradeꢁmarkꢁrightꢁtoꢁthisꢁproduct.ꢁiCꢀHausꢁassumesꢁnoꢁliabilityꢁforꢁanyꢁpatentꢁand/orꢁotherꢁtrade
markꢁrightsꢁofꢁaꢁthirdꢁpartyꢁresultingꢁfromꢁprocessingꢁorꢁhandlingꢁofꢁtheꢁproductꢁand/orꢁanyꢁotherꢁuseꢁofꢁtheꢁproduct.ꢁꢁꢁꢁ
ICHAUS [ IC-HAUS GMBH ]
