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产品 预告(展)
1digitalmediasystem-在-碎片(dmsoc)
1.1features
TMS320DM6443
digitalmediasystemon-碎片
SPRS282–DECEMBER2005
•
高-performancedigitalmediasoc
•
arm926ej-s(mpu)核心
–594-mhzc64x+™clockrate–supportfor32-bitand16-位(thumb®
模式)instructionsets
–297-mhzarm926ej-s™clockrate
–DSPInstructionExtensionsandSingle
–eight32-bitc64x+instructions/循环
CycleMAC
–4752C64x+MIPS
–ARM®Jazelle®Technology
–fullysoftware-compatiblewithc64x/
–embeddedice-rt™logicforreal-时间
ARM9™
Debug
•
advancedvery-长-操作指南-文字(vliw)
•
ARM9MemoryArchitecture
TMS320C64x+™DSPCore
–16k-byteinstructioncache
–EightHighlyIndependentFunctionalUnits
–8k-bytedatacache
•
sixalus(32-/40-位),eachsupports
–16k-byteram
single32-位,dual16-位,orquad8-位
ArithmeticperClockCycle
–16k-byterom
•
twomultiplierssupportfour16x16-位
•
emulationtracebuffer™(etb11™)with4-kb
multiplies(32-bitresults)perclock
MemoryforARM9Debug
cycleoreight8x8-bitmultiplies(16-位
•
endianness:littleendianforarmanddsp
结果)perclockcycle
•
VideoProcessingSubsystem
–load-storearchitecturewithnon-排整齐
–resizeengineprovides:
支持
•
resizeimagesfrom1/4xto4x
–6432-bitgeneral-purposeregisters
•
SeparateHorizontalandVerticalControl
–InstructionPackingReducesCodeSize
–backendprovides:
–AllInstructionsConditional
•
hardwareon-screendisplay(osd)
–AdditionalC64x+™Enhancements
•
4-54mhzdacsforacombinationof
•
ProtectedModeOperation
•
compositentsc/palvideo
•
ExceptionsSupportforErrorDetection
andProgramRedirection
•
luma/chromaseparatevideo
(s-video)
•
HardwareSupportforModuloLoop
运作
•
组件(ypbprorrgb)video
(progressive)
•
C64x+InstructionSetFeatures
•
DigitalOutput
–byte-addressable(8-/16-/32-/64-bitdata)
•
8-/16-bityuvorupto24-bitrgb
–8-bitoverflowprotection
•
HDResolution
–bit-fieldextract,设置,clear
•
Upto2VideoWindows
–normalization,饱和,位-counting
•
externalmemoryinterfaces(emifs)
–compact16-bitinstructions
–32-bitddr2sdrammemorycontroller
–AdditionalInstructionstoSupportComplex
with256m-byteaddressspace(1.8vi/o)
Multiplies
–asynchronous16-bitwideemif(emifa)
•
c64x+l1/l2memoryarchitecture
with128m-byteaddressreach
–32k-bytel1pprogramram/cache(直接
•
FlashMemoryInterfaces
编排)
•
也不(8-/16-位-widedata)
–80k-bytel1ddataram/cache(2-方法
•
与非(8-/16-位-widedata)
设置-associative)
–64k-bytel2unifiedmappedram/cache
(flexibleram/cacheallocation)
pleasebeawarethatanimportantnoticeconcerningavailability,standardwarranty,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdocument.
c6000,i
2
cbus,i
2
c-busaretrademarksoftexasinstruments.
alltrademarksarethepropertyoftheirrespectiveowners.
PRODUCTPREVIEWinformationconcernsproductsinthe
copyright©2005,texasinstrumentsincorporated
formativeordesignphaseofdevelopment.characteristicdataand
otherspecificationsaredesigngoals.texasinstrumentsreserves
therighttochangeordiscontinuetheseproductswithoutnotice.
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