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2DeviceOverview
2.1devicecharacteristics
TMS320DM642
video/imagingfixed-pointdigitalsignalprocessor
SPRS200J–JULY2002–REVISEDAUGUST2005
table2-1providesanoverviewofthedm642dsp.thetableshowssignificantfeaturesofthedm642
设备,includingthecapacityofon-chipram,theperipherals,thecpufrequency,andthepackagetype
withpincount.
table2-1.characteristicsofthedm642processor
HARDWAREFEATURESDM642
emifa(64-bitbuswidth)
1
(clocksource=aeclkin)
edma(64independentchannels)1
mcasp0(usesperipheralclock[auxclk])1
i2c0(usesperipheralclock)1
hpi(32-or16-bituserselectable)1(hpi16orhpi32)
Peripherals
pci(32-位),66-mhz/33-mhz
1
[DeviceIDRegistervalue0x9065]
Notallperipheralspinsare
availableatthesametime
McBSPs
2
(formoredetail,seethe
(internalclocksource=cpu/4clockfrequency)
deviceconfigurationsec-
configurablevideoports(vp0,vp1,vp2)3
tion).
10/100ethernetmac(emac)1
managementdatainput/输出(mdio)1
vcxointerpolatedcontrolport(vic)1
32-bittimers
3
(internalclocksource=cpu/8clockfrequency)
一般-purposeinput/outputport(gp0)16
大小(字节)288k
16k-字节(16kb)l1program(l1p)cache
在-chipmemory
organization16kbl1data(l1d)cache
256kbunifiedmappedram/cache(l2)
cpuid+cpurevidcontrolstatusregister(csr.[31:16])0x0c01
jtagbsdl_idjtagidregister(addresslocation:0x01b3f008)0x0007902f
frequencymhz500,600,720
2ns(dm642-500)和(dm642
一个
-500)
[500mhzcpu,100mhzemif
(1)
,33mhzpciport]
1.67ns(dm642-600)
CycleTimens
[600mhzcpu,133mhzemif
(1)
,66mhzpciport]
1.39ns(dm642-720)
[720mhzcpu,133mhzemif
(1)
,66mhzpciport]
1.2v(–500)
核心(v)
1.4v(
一个
-500,
一个
-600,-600,-720)
电压
i/o(v)3.3v
plloptionsclkinfrequencymultiplierbypass(x1),x6,x12
23x23mm548-pinbga(gdkandzdk)
BGAPackage
27x27mm548-pinbga(gnzandznz)
processtechnologyµm0.13µm
productpreview(pp),advanceinformation(ai),
ProductStatus
(2)
PD
orproductiondata(pd)
(1)onthisdm64x™device,theratedemifspeedaffectsonlythesdraminterfaceontheemif.formoredetailedinformation,seethe
emifdevicespeedportionofthisdatasheet.
(2)productiondatainformationiscurrentasofpublicationdate.productsconformtospecificationsperthetermsoftexas
instrumentsstandardwarranty.productionprocessingdoesnotnecessarilyincludetestingofallparameters.
6
DeviceOverview
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