www.ti.com
1tms320dm643video/imagingfixed-pointdigitalsignalprocessor
1.1features
TMS320DM643
视频/imagingfixed-pointdigitalsignalprocessor
SPRS269A–FEBRUARY2005–REVISEDAPRIL2005
–1024m-bytetotaladdressableexternal
•
高-performancedigitalmediaprocessor
内存空间
–2-,1.67-nsinstructioncycletime
•
增强直接-记忆-访问权限(edma)
–500-,600-mhzclockrate
控制器(64independentchannels)
–eight32-bitinstructions/循环
•
10/100mb/sethernetmac(emac)
–4000,4800mips
–ieee802.3compliant
–fullysoftware-compatiblewithc64x™
–mediaindependentinterface(mii)
•
velociti.2™extensionstovelociti™
–8independenttransmit(tx)channelsand
advancedvery-长-说明书-字(vliw)
1receive(rx)频道
TMS320C64x™DSPCore
•
managementdatainput/输出(mdio)
–EightHighlyIndependentFunctionalUnits
withvelociti.2™extensions:
•
twoconfigurablevideoports(vp1,vp2)
•
sixalus(32-/40-有点),eachsupports
–providingagluelessi/ftocommonvideo
single32-有点,dual16-有点,orquad8-有点
DecoderandEncoderDevices
ArithmeticperClockCycle
–supportsmultipleresolutions/videostds
•
twomultiplierssupportfour16x16-有点
•
vcxointerpolatedcontrolport(vic)
乘法(32-bitresults)perclock
–supportsaudio/videosynchronization
cycleoreight8x8-bitmultiplies(16-有点
•
主机-portinterface(hpi)[32-/16-bit]
结果)perclockcycle
–load-storearchitecturewithnon-对齐
•
multichannelaudioserialport(mcasp)
支持
–EightSerialDataPins
–6432-bitgeneral-purposeregisters
–WideVarietyofI
2
SandSimilarBitStream
–InstructionPackingReducesCodeSize
格式
–AllInstructionsConditional
–integrateddigitalaudioi/ftransmitter
supportss/pdif,iec60958-1,aes-3,
•
InstructionSetFeatures
cp-430formats
–byte-可寻址(8-/16-/32-/64-bitdata)
•
国际米兰-integratedcircuit(我
2
cbus™)
–8-bitoverflowprotection
•
MultichannelBufferedSerialPort
–bit-fieldextract,设置,清除
–CLKSInputNotSupported
–normalization,饱和度,有点-计数
–velociti.2™increasedorthogonality
•
three32-bitgeneral-purposetimers
•
l1/l2memoryarchitecture
•
sixteengeneral-purposei/o(gpio)针脚
–128k-有点(16k-字节)l1pprogramcache
•
FlexiblePLLClockGenerator
(directmapped)
•
ieee-1149.1(jtag)边界-
–128k-有点(16k-字节)l1ddatacache(2-方式
扫描-兼容
设置-联想)
•
548-pinballgridarray(bga)包装
–2m-有点(256k-字节)l2unifiedmapped
(gdkandzdksuffixes),0.8-mmballpitch
ram/高速缓存(flexibleram/高速缓存
•
548-pinballgridarray(bga)包装
分配)
(gnzandznzsuffixes),1.0-mmballpitch
•
endianess:littleendian,bigendian
•
0.13-µm/6-levelcumetalprocess(cmos)
•
64-bitexternalmemoryinterface(emif)
•
3.3-六/o,1.2-vinternal(-500)
–GluelessInterfacetoAsynchronous
回忆(sramandeprom)和
•
3.3-六/o,1.4-vinternal(-600)
synchronousmemories(sdram,sbsram,
zbtsram,andfifo)
pleasebeawarethatanimportantnoticeconcerningavailability,标准保修,anduseincriticalapplicationsoftexas
instrumentssemiconductorproductsanddisclaimerstheretoappearsattheendofthisdocument.
windowsisaregisteredtrademarkofmicrosoftcorporation.
我
2
cbusisatrademarkofphilipselectronicsn.v.
alltrademarksarethepropertyoftheirrespectiveowners.
productiondatainformationiscurrentasofpublicationdate.
copyright©2005–2005,texasinstrumentsincorporated
ProductsconformtospecificationsperthetermsoftheTexas
instrumentsstandardwarranty.productionprocessingdoesnot
必要包括测试所有参数.
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