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1TMS320VC5409AFeatures
TMS320VC5409A
fixed-pointdigitalsignalprocessor
SPRS140F–NOVEMBER2000–REVISEDJANUARY2005
•
FastReturnFromInterrupt
•
AdvancedMultibusArchitectureWithThree
separate16-bitdatamemorybusesandone
•
在-chipperipherals
ProgramMemoryBus
–software-programmablewait-状态
•
40-bitarithmeticlogicunit(alu)includinga
GeneratorandProgrammable
bank-切换
40-bitbarrelshifterandtwoindependent
40-bitaccumulators
–on-chipprogrammablephase-锁
循环(pll)clockgeneratorwithinternal
•
17-
×
17-bitparallelmultipliercoupledtoa
OscillatororExternalClockSource
(1)
40-bitdedicatedadderfornon-pipelined
–one16-bittimer
单独的-cyclemultiply/accumulate(mac)
–six-channeldirectmemoryaccess(dma)
运作
控制
•
对比,选择,andstoreunit(cssu)forthe
–ThreeMultichannelBufferedSerialPorts
增加/compareselectionoftheviterbioperator
(mcbsps)
•
ExponentEncodertoComputeanExponent
–8/16-bitenhancedparallelhost-端口
valueofa40-bitaccumulatorvalueina
接口(hpi8/16)
SingleCycle
•
powerconsumptioncontrolwithidle1,
•
TwoAddressGeneratorsWithEightAuxiliary
idle2,andidle3instructionswith
RegistersandTwoAuxiliaryRegister
电源-downmodes
arithmeticunits(araus)
•
CLKOUTOffControltoDisableCLKOUT
•
DataBusWithaBusHolderFeature
•
在-chipscan-basedemulationlogic,ieee
•
ExtendedAddressingModefor8M
×
16-位
std1149.1(jtag)boundaryscanlogic
(2)
MaximumAddressableExternalProgram
•
144-pinballgridarray(bga)(ggusuffix)
空间
•
144-pinlow-profilequadflatpack(lqfp)
•
32kx16-biton-chipramcomposedof:
(pgesuffix)
–FourBlocksof8K
×
16-biton-碎片
•
6.25-nssingle-cyclefixed-pointinstruction
双-accessprogram/dataram
executiontime(160mips)
•
16K
×
16-biton-chipromconfiguredfor
•
8.33-nssingle-cyclefixed-pointinstruction
ProgramMemory
executiontime(120mips)
•
enhancedexternalparallelinterface(xio2)
•
3.3-vi/osupplyvoltage(160and120mips)
•
单独的-操作指南-repeatandblock-repeat
•
1.6-vcoresupplyvoltage(160mips)
OperationsforProgramCode
•
1.5-vcoresupplyvoltage(120mips)
•
块-记忆-moveinstructionsforbetter
ProgramandDataManagement
•
instructionswitha32-bitlongwordoperand
•
instructionswithtwo-orthree-operand
读
(1)theon-chiposcillatorisnotavailableonall5409adevices.
forapplicabledevices,seethetms320vc5409adigital
•
ArithmeticInstructionsWithParallelStoreand
signalprocessorsiliconerrata(literaturenumbersprz186).
ParallelLoad
(2)ieeestandard1149.1-1990standard-测试-accessportand
•
ConditionalStoreInstructions
boundaryscanarchitecture.
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ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
necessarilyincludetestingofallparameters.