參數(shù)資料
型號： TS68332VR16
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： High performance 32-bit integrated microcontroller
中文描述： 32-BIT, 16.78 MHz, MICROCONTROLLER, CPGA132
封裝： CERAMIC, PGA-132
文件頁數(shù)： 47/56頁
文件大?。?/td> 1510K
代理商： TS68332VR16
47
TS68332
2118A–HIREL–03/02
TPUEmulationMode
Operation
TheRAMarraymaybeusedasthemicrocodecontrolstorefortheTPUmodule.This
modeofoperationisselectedfromwithintheTPU.SeeDevelopmentsupportinthe
TPUmanualforacompletedescription.
TheTPUisconnectedtotheRAMviaadedicatedbus.Whileinemulationmode,the
accesstimingoftheRAMmodulematchesthetimingoftheTPUmicroinstructionROM
toensureaccurateemulation.NormalaccessesviatheIMBareinhibitedandthecontrol
registerhavetoeffect,allowingexternalRAMtoemulatethe2KRAMarrayatthesame
addresses.
ThefurtherinformationrefertotheSystemIntegrationModuleManual.
TPUOverview
TheTPUperformssimpleaswellascomplextimingtasks,independentlyfromtheCPU,
makingitthelatestadvanceintimersystems.Viewedasaspecialpurposemicrocom-
puter,thisprocessorperformstwooperations,matchandcapture,ononeoperand:
TIME.Everyoccurrenceofeitheractioniscalledanevent.Theservicingofthese
eventsbytheTPUreplacestheservicingofinterruptsbythehostCentralProcessing
Unit(CPU).Thetimingfunctionscurrentlysynthesizedarethefollowing:
DiscreteInput/output
InputCapture/inputTransitionCounter
OutputCompare
PulseWidthModulation
SynchronizedPulseWidthModulation
PeriodMeasurementWithAdditionalTransitionDefect
PeriodMeasurementWithMissingTransitionDetect
Position-synchronizedPulseGenerator
StepperMotor
Period/pulse-widthAccumulator
Thepreviouspre-programmedfunctionsarerelatedtotheTPURommasksetA,cur-
rentlyinusefortheTS68332MCU,asthe“standard”TPUmaskset.
TheadvancedTPUaffordsforthefirsttimehigh-resolutiontimingandmultipletime
functioncapability(flexibility)inthetimersystempins.
High-resolutionTiming
High-resolutiontimingislimitedbyCPUoverheadrequiredforservicingtimingtasks
suchasperiodmeasurement,pulsemeasurement,pulse-widthmodulatedwaveform
generation,etc.OntheTPU,high-resolutiontimingisachievedbytwomaincapabilities:
reducedlatency,
reducedservicetime,whichfreetheCPUtofocusonotherresponsibilities.
TheTPUprovidesahigherresolutionthantheCPUcouldachieve,andcreatesnoCPU
overheadforservicingtimingtasks.
Latency
Latencyistheintervaloftimefromaneventothestartofeventservicing.Theabilityof
theTPUtoserviceitsowninterruptsoreventsreduceslatencyandtheCPUisnot
requiredtoserviceeachinputtransitioncapturethatoccursonapin,ortodetermine
eachmatchtimerequiredforwaveformsynthesis.OnceconfiguredbythehostCPU,
theself-containedTPUperformscomplextimefunctionsrequiringhighresolutionwith
littleornoCPUintervention.
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相關代理商/技術參數(shù)
參數(shù)描述
TS68332VR16A 功能描述:IC MPU 32BIT 16.78MHZ 132PGS RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微處理器 系列:- 標準包裝:60 系列:SCC 處理器類型:Z380 特點:全靜電 Z380 CPU 速度:20MHz 電壓:5V 安裝類型:表面貼裝 封裝/外殼:144-LQFP 供應商設備封裝:144-LQFP 包裝:托盤
TS68332VR20 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:High Highperformance 32-bit Integrated Microcontroller
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