MAXIICPLDLOWESTPOWER,LOWESTCOSTCPLDFAMILYEVERALTERASMAXIIFAMILYOFCPLDFAMILYARETHELOWESTPOWER,LOWESTCOSTCPLDSEVERMAXIICPLDFAMILYISBASEDONAGROUNDBREAKINGARCHITECTURETHATDELIVERSTHELOWESTPOWERANDTHELOWESTCOSTPERI/OPINOFANYCPLDFAMILYWITHTHEINTRODUCTIONOFTHEMAXIIZCPLD,THEREARENOWTHREEVARIANTSTHATALLUSETHESAMEINNOVATIVECPLDARCHITECTUREMAXIICPLDMAXIIGCPLDMAXIIZCPLDTHISINSTANTON,NONVOLATILECPLDFAMILYTARGETSGENERALPURPOSE,LOWDENSITYLOGICANDPORTABLEAPPLICATIONS,SUCHASCELLULARHANDSETDESIGNINADDITIONTODELIVERINGTHELOWESTCOSTFORTRADITIONALCPLDDESIGNS,THEMAXIICPLDDRIVESPOWERANDCOSTIMPROVEMENTSTOHIGHERDENSITIES,ENABLINGYOUTOUSEAMAXIICPLDINPLACEOFAHIGHERPOWERORHIGHERCOSTASSPORANDSTANDARDLOGICCPLDADVANCEDCPLDFEATURESTHEMAXIICPLDENABLESAHIGHLEVELOFFUNCTIONALINTEGRATIONTOREDUCESYSTEMDESIGNCOSTSTHISSECTIONDESCRIBESTHEADVANCEDFEATURESFOUNDINEVERYMAXIICPLDLOWPOWERCPLDONETENTHTHEPOWERCONSUMPTIONCOMPAREDTOAPREVIOUSGENERATION33VMAXCPLD18VCOREVOLTAGEFORREDUCEDPOWERCONSUMPTIONANDINCREASEDRELIABILITYCPLDINDUSTRYSLOWESTSTANDBYSPECIFICATION,ALLOWINGLONGERUSEINBATTERYPOWEREDAPPLICATIONSAUTOSTART/STOPCAPABILITYFORTURNINGOFFTHECPLDWHENNOTINUSECOSTOPTIMIZEDARCHITECTUREFOURTIMESTHEDENSITYATHALFTHEPRICECOMPAREDTOPREVIOUSMAXCPLDGENERATIONSDESIGNEDFORMINIMUMDIESIZE,GIVINGTHELOWESTCOSTPERI/OPININTHEINDUSTRYHIGHPERFORMANCESUPPORTFORINTERNALCLOCKFREQUENCYRATESOFUPTO300MHZTWICETHEPERFORMANCECOMPAREDTOA33VMAXCPLDUNIQUEFEATURESONBOARDOSCILLATORANDUSERFLASHMEMORYREDUCESCHIPCOUNTBYELIMINATINGDISCRETEOSCILLATORSORNONVOLATILESTORAGEDEVICESREALTIMEINSYSTEMPROGRAMMABILITYISPCAPABLEOFDOWNLOADINGASECONDDESIGNWHILETHEDEVICEISOPERATIONALREDUCESTHECOSTOFREMOTEFIELDUPDATESMULTIVOLTCOREFLEXIBILITYONCHIPVOLTAGEREGULATORACCEPTS33V,25V,OR18VSUPPLYSIMPLIFIESBOARDDESIGNWITHFEWERPOWERRAILSPARALLELFLASHLOADERMEGAFUNCTIONIMPROVESCONFIGURATIONEFFICIENCYOFNONJTAGCOMPLIANTFLASHDEVICESONTHEBOARDSIMPLIFIESBOARDMANAGEMENTBYALLOWINGJTAGCOMMANDIMPLEMENTATIONVIATHEMAXIICPLDI/OCAPABILITIESMULTIVOLTI/OCAPABILITYALLOWSINTERFACEWITHDEVICESAT15V,18V,25V,OR33VLOGICLEVELSSCHMITTTRIGGERS,PROGRAMMABLESLEWRATE,ANDPROGRAMMABLEDRIVESTRENGTHIMPROVESIGNALINTEGRITYEASIESTTOUSESOFTWAREALTERASNOCOSTQUARTUSIIWEBEDITIONSOFTWARESUPPORTSALLDEVICESINTHEMAXIICPLDFAMILYANDOPTIMIZESPINLOCKEDFITTINGANDPERFORMANCENEWMAXPLUSIILOOKANDFEELOPTIONINTHEQUARTUSIISOFTWAREENHANCESEASEOFUSECPLDAPPLICATIONSTHEMAXIICPLDFAMILYTARGETSCOMMONCONTROLPATHAPPLICATIONS,INCLUDINGPOWERUPSEQUENCINGSYSTEMCONFIGURATIONI/OEXPANSIONINTERFACEBRIDGINGMAXIICPLD系列概述及應(yīng)用ALTERA的MAXII系列CPLD是有史以來功耗最低、成本最低的CPLD。MAXIICPLD基于突破性的體系結(jié)構(gòu)，在所有CPLD系列中，其單位I/O引腳的功耗和成本都是最低的。隨著MAXIIZ的推出，有三種型號(hào)產(chǎn)品都使用了同樣的創(chuàng)新CPLD體系結(jié)構(gòu)MAXIICPLDMAXIIGCPLDMAXIIZCPLD這一瞬時(shí)接通的非易失器件系列面向蜂窩手機(jī)設(shè)計(jì)等通用低密度邏輯應(yīng)用。不但具有傳統(tǒng)CPLD設(shè)計(jì)的低成本特性，MAXIICPLD還進(jìn)一步提高了高密度產(chǎn)品的功耗和成本優(yōu)勢，這樣，您可以使用MAXIICPLD來替代高功耗和高成本ASSP以及標(biāo)準(zhǔn)邏輯CPLD。MAXII器件系列的高級(jí)特性MAXIICPLD支持高級(jí)功能集成，以降低系統(tǒng)設(shè)計(jì)成本。這一部分介紹MAXIICPLD的高級(jí)特性。低功耗十分之一的功耗和前一代33VMAX器件相比18V內(nèi)核電壓降低了功耗，提高可靠性。CPLD業(yè)界最低的待機(jī)規(guī)范，大大延長了電池供電時(shí)間。自動(dòng)啟動(dòng)/停止功能，CPLD不使用時(shí)關(guān)斷。低成本體系結(jié)構(gòu)以一半的價(jià)格實(shí)現(xiàn)四倍的密度和前一代MAX器件相比通過設(shè)計(jì)，減小了管芯面積，單位I/O引腳成本在業(yè)界是最低的。高性能支持高達(dá)300MHZ的內(nèi)部時(shí)鐘頻率性能加倍和33VMAX器件相比獨(dú)特的特性板上振蕩器和用戶閃存不需要分立振蕩器或者非易失存儲(chǔ)器，減少了芯片數(shù)量。實(shí)時(shí)在系統(tǒng)可編程能力ISP器件工作時(shí)，可下載第二個(gè)設(shè)計(jì)。降低了遠(yuǎn)程現(xiàn)場更新的成本靈活的MULTIVOLT內(nèi)核片內(nèi)電壓穩(wěn)壓器支持33V、25V和18V供電減少了電源數(shù)量，簡化了電路板設(shè)計(jì)。并行閃存加載程序宏功能提高了板上不兼容JTAG閃存的配置效率通過MAXII器件實(shí)現(xiàn)JTAG命令，簡化了電路板管理。I/O能力MULTIVOLTI/O支持和15V、18V、25V以及33V邏輯電平器件的接口施密特觸發(fā)器、可編程擺率和可