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内容
TMS320DM642
video/imagingfixed-pointdigitalsignalprocessor
SPRS200J–JULY2002–REVISEDAUGUST2005
1tms320dm642video/imagingfixed-pointdigital5dm642peripheralinformationandelectrical
SignalProcessor
.........................................
1规格
...........................................
72
1.1features..............................................15.1parameterinformation..............................72
5.2recommendedclockandcontrolsignaltransition
1.2description............................................2
行为.............................................74
1.2.1devicecompatibility.................................3
5.3powersupplies......................................74
1.3functionalblockdiagram............................4
5.4enhanceddirectmemoryaccess(edma)控制-
2DeviceOverview
.........................................
6
ler....................................................79
2.1devicecharacteristics................................6
5.5interrupts............................................83
2.2cpu(dspcore)描述.........................7
5.6reset................................................85
2.3memorymapsummary.............................13
5.7clockpll...........................................88
2.4bootmode...........................................16
5.8externalmemoryinterface(emif)..................94
2.5pinassignments....................................16
5.9multichannelaudioserialport(mcasp0)periph-
2.6development........................................50
eral.................................................110
3DeviceConfigurations
.................................
54
5.10inter-integratedcircuit(i2c).......................118
3.1configurationsatreset.............................54
5.11host-portinterface(hpi)..........................124
3.2configurationsafterreset..........................56
5.12peripheralcomponentinterconnect(pci)........130
3.3peripheralconfigurationlock.......................59
5.13multichannelbufferedserialport(mcbsp).......134
3.4devicestatusregisterdescription.................61
5.14videoport.........................................143
3.5multiplexedpinconfigurations......................63
5.15vcxointerpolatedcontrol(vic)..................151
3.6debuggingconsiderations..........................65
5.16ethernetmediaaccesscontroller(emac)........153
3.7configurationexamples.............................66
5.17managementdatainput/输出(mdio)..........159
4DeviceOperatingConditions
........................
70
5.18timer...............................................161
4.1absolutemaximumratingsoveroperatingcase
5.19general-purposeinput/输出(gpio)............163
TemperatureRange
5.20jtag...............................................166
(unlessotherwisenoted)..........................70
RevisionHistory
............................................
168
4.2recommendedoperatingconditions...............70
6MechanicalData
.......................................
170
4.3electricalcharacteristicsoverrecommended
RangesofSupplyVoltageandOperatingCase
6.1thermaldata......................................170
温度(unlessotherwisenoted)............71
6.2packaginginformation.............................171
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