accurate estimateFPGAdesignpower consumptionrightmake suregetget rightElectricitysource rackstructuretocloseimportant.
FPGAstand out from the crowdDokiother classtypeGroupthe differencewhereis that its coreVoltage,auxiliaryhelpVoltageandI/Ovoltage electricitysource demanddecideAtDesign implementation.Therefore, determineanswerin useFPGApower consumption rationumberin handbookdescriptionconditionEvencomplexa little, toaccomplishcorrectElectricitysource rackstructureTherefore, there are certain challengeswarsex.ThisDo notonlyto testconsiderto the desiredstatic electricityflow, ramp rate and onElectric smoothsequence,Alsoneed to be ablefor the endendanswerapplywhenforElectricity,sameTimeholding deviceJunction temperaturein an acceptable rangewithin.
XPEandXPAwhat’s itwhat?ThisYesXilinlaunched bytwopaymentdesigntools, canhelphelpyouaccuratelyEnterRowFPGAdesignpower analysis.youAvailable atdesignearlyorderSegment usage is based onElectricitysonnumberaccording to the tableXilinThink Power Estimationcountdevice(XPE)after finishingaccomplishuse againXilinThink Power Analyzer(XPA).XPAcanhelphelpyour designThe power consumption requirements doEnterone step analysis,andbase on needsAssociationpower consumptionexcellentchange.
initial stepstep
firststart developmenttargetTime,verydifficulthave a wholeindivualFPGAdesignall in placecondition(if luckytransportoftalk,orAllowCan be heavycomplexuse somecode,ThiscanforPower consumptionpredictprovide more accurate information). therefore,Enterline to estimate power consumption can first befromXPEElectricitysonnumberStart with the table (see: http://www.origin.xilinx.com/prod- ucts/design_tools/logic_design/xpe.htm).youaccording to engineeringteam to designrequiredclock,logicand itsother resourcesA preliminary examination of the sourcecome inPerform an initial power consumption estimate.
XPEis very straightforward to useview,even better is,ShouldTool canhelphelpyou enterLine a lot of “falseAssume“accomplish,fromclearly differentdesignplanselect pairImpact of Power Estimationring.ifyousolutiondecideProgram consumptionElectricityhigh, thatwhat kind ofFunctionto helphelpyoufind the bestaccomplishplanplayimportant role.
XPEcan be scattered according tohot,gasStream and printElectricityroad boardLayer predictiondeviceJunction temperature,Thisa function indesignearlyorderSegments are very useful.itcan tellv.Iwe designcanup toarrivepreExpectaccomplishprogrammaticForeheadCertainlyJunction temperature.
existXPEmiddle,youThe first step is toas much as possiblepossible to complete accuratelyAssumeset.Apart fromchooseoutside the device,Alsospecialdo notPay attention to packaging, speed Waitclassandtemperaturedegree, etc.classbe correctAssumeset, same asSampleif applicablestillto be accurateAssumestepEnter,workartand power modes.allThissomeparameter,rightThe overall power consumption required has a large impact on theringespecially the workersartofAssumeset, itsAssumeset Minutefor“maximumvalue” and “Typicalvalue“.typicalvalue setsetfor yousupplystatisticssuperioranswerwith the required power consumption while the maximumvalue setsetbutcanFullthe worstconditionrequirements below.to ensureyouofuntiedecideProgram canresponsehighest useElectricitydemand condition,butThisalso have some sleepinessdifficult,becauseto compareLarger devices also have higherElectricityflow requirements.
ItheyAlso available hererighteousWorkringenvironment, includingringterritorytemperaturedegree, dispersionhotandgasflow etc.set hererighteousmaximumringterritorytemperaturecan improve the estimation accuracy, becauseforrequired power consumptionwill followdeviceJunction temperaturerise and rise.including scatteredhot,gasstream orthese twowait, you can changeEnterPower consumption estimation.
hereorderdon’t ignoreXilinthinkISE®excellentchangeAssumeset.this settingsetrightPower consumption estimates also play a rolering,becausefordifferentexcellentscheme (for examplewhen speakingsequential performanceandnoodleproductminimization scheme) bothwill bringdifferentaccomplishprogram, eachrealizationThe plan has its owncapitalsource usage and fanout modes, alsoCanfilmringPower consumption estimation.
estimating the nextorderDuan is the boyscrutinyXPEElectricitysonnumberat the bottom of the tableLabel,as much as possiblepossibly accuratelyfill inbuiltdiscussionsolutiondecideprogrammaticdetail
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