接口转换芯片【GL842】详细的英文版开发资料

Xu062fGL842USB2.02-in-1ScannerControllerDatasheetRevision1.00Nov.14,2003GenesysLogic,Inc.GL842USB2.02-in-1ScannerControllerGenesysLogicInc.—Allrightsreserved.Page2Copyright:Copyright©2003GenesysLogicIncorporated.Allrightsreserved.NopartofthematerialsmaybereproducedinanyformorbyanymeanswithoutpriorwrittenconsentofGenesysLogicInc..Disclaimer:ALLMATERIALSAREPROVIDEDASISWITHOUTEXPRESSORIMPLIEDWARRANTYOFANYKIND.NOLICENSEORRIGHTISGRANTEDUNDERANYPATENTORTRADEMARKOFGENESYSLOGICINC..GENESYSLOGICHEREBYDISCLAIMSALLWARRANTIESANDCONDITIONSINREGARDTOMATERIALS,INCLUDINGALLWARRANTIES,IMPLIEDOREXPRESS,OFMERCHANTABILITY,FITNESSFORANYPARTICULARPURPOSE,ANDNON-INFRINGEMENTOFINTELLECTUALPROPERTY.INNOEVENTSHALLGENESYSLOGICBELIABLEFORANYDAMAGESINCLUDING,WITHOUTLIMITATION,DAMAGESRESULTINGFROMLOSSOFINFORMATIONORPROFITS.PLEASEBEADVISEDTHATTHEMATERIALSMAYCONTAINERRORSOROMMISIONS.GENESYSLOGICMAYMAKECHANGESTOTHEMATERIALSORTOTHEPRODUCTSDESCRIBEDTHEREINATANYTIMEWITHOUTNOTICE.Trademarks:isaregistratedtrademarkofGenesysLogicInc..Alltrademarksarethepropertiesoftheirrespectiveowners.Office:GenesysLogic,Inc.12F,No.205,Sec.3,BeishinRd.,ShindianCity,Taipei,TaiwanTel:(886-2)8913-1888Fax:[phone]—Allrightsreserved.Page3RevisionHistoryRevisionDateDescription1.0011/14/2003FirstformalreleaseGL842USB2.02-in-1ScannerControllerGenesysLogicInc.—Allrightsreserved.Page4TABLEOFCONTENTSCHAPTER1GERERALDESCRIPTION........................................................................6CHAPTER2FEATURES...................................................................................................7CHAPTER3PINASSIGNMENT......................................................................................83.1PINOUTS.........................................................................................................................83.2PINLIST..........................................................................................................................93.3PINDESCRIPTIONS.......................................................................................................10CHAPTER4REGISTERS...............................................................................................144.1REGISTERSBASEADDRESS..........................................................................................144.2REGISTERDESCRIPTIONS............................................................................................184.3REGISTERMAPPING....................................................................................................524.3.1ShadingMapping(ChunkyforSingleBank)...................................................524.3.2ShadingMapping(Planer).................................................................................524.3.3SlopeCurveTableMapping..............................................................................534.3.4ImageBufferMapping.......................................................................................53CHAPTER5BLOCKDIAGRAM...................................................................................545.1USB2.0SYSTEMBLOCKDIAGRAM.............................................................................545.2FUNCTIONBLOCKDIAGRAM.......................................................................................54CHAPTER6FUNCTIONALDESCRIPTION...............................................................55CHAPTER7ELECTRICALCHARACTERISTICS....................................................627.1ABSOLUTEMAXIMUMRATINGS(VOLTAGEREFERENCEDTOGND)........................627.2DCCHARACTERISTICS(DIGITALPINS):3.3VLOGICCOREORPADS.....................627.3DCCHARACTERISTICS(DIGITALPINS):5.0VPADS.................................................637.4DCCHARACTERISTICS(D+/D-)..................................................................................63CHAPTER8PACKAGEDIMENSION..........................................................................64GL842USB2.02-in-1ScannerControllerGenesysLogicInc.—Allrightsreserved.Page5LISTOFFIGURESFIGURE3.1-PINOUTDIAGRAM..........................................................................................8FIGURE5.1-USB2.0SYSTEMBLOCKDIAGRAM.............................................................54FIGURE5.2-FUNCTIONBLOCKDIAGRAM.......................................................................54FIGURE8.1-GL842128PINQFPPACKAGE...................................................................64LISTOFTABLESTABLE3.1-PINLIST...........................................................................................................9TABLE3.2-PINDESCRIPTIONS.........................................................................................10TABLE4.1-BASEADDRESSFORREGISTERS....................................................................14TABLE4.2-SHADINGMAPPING(CHUNKYFORSINGLEBANK)......................................52TABLE4.3-SHADINGMAPPING(PLANER)...............................