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内容
TMS320VC5402A
fixed-pointdigitalsignalprocessor
SPRS015E–SEPTEMBER2001–REVISEDJANUARY2005
RevisionHistory
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2
1TMS320VC5402ADSP
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9
1.1features.......................................................................................................................9
2Introduction
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10
2.1description..................................................................................................................10
2.2pinassignments............................................................................................................10
2.2.1terminalassignmentsfortheggupackage...............................................................11
2.2.2pinassignmentsforthepgepackage......................................................................12
2.3signaldescriptions.........................................................................................................13
3FunctionalOverview
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17
3.1memory......................................................................................................................17
3.1.1datamemory.....................................................................................................17
3.1.2programmemory...............................................................................................18
3.1.3extendedprogrammemory...................................................................................18
3.2on-chipromwithbootloader...........................................................................................18
3.3on-chipram...............................................................................................................19
3.4on-chipmemorysecurity.................................................................................................19
3.5memorymap................................................................................................................20
3.5.1relocatableinterruptvectortable............................................................................21
3.6on-chipperipherals.......................................................................................................23
3.6.1software-programmablewait-stategenerator.............................................................23
3.6.2programmablebank-切换................................................................................25
3.6.3busholders......................................................................................................26
3.7paralleli/oports...........................................................................................................27
3.7.1enhanced8-/16-bithost-portinterface(hpi8/16)..........................................................27
3.7.2hpinonmultiplexedmode......................................................................................28
3.8multichannelbufferedserialports(mcbsps)..........................................................................29
3.9hardwaretimer............................................................................................................32
3.10clockgenerator............................................................................................................32
3.11enhancedexternalparallelinterface(xio2)...........................................................................34
3.12dmacontroller.............................................................................................................38
3.12.1features..........................................................................................................38
3.12.2dmaexternalaccess..........................................................................................38
3.12.3dmprecissue.................................................................................................40
3.12.4dmamemorymap..............................................................................................41
3.12.5dmaprioritylevel...............................................................................................42
3.12.6dmasource/destinationaddressmodification.............................................................42
3.12.7dmainautoinitializationmode...............................................................................43
3.12.8dmatransfercounting.........................................................................................43
3.12.9dmatransferindoublewordmode..........................................................................44
3.12.10dmachannelindexregisters..............................................................................44
3.12.11dmainterrupts................................................................................................44
3.12.12dmacontrollersynchronizationevents...................................................................45
3.13general-purposei/opins.................................................................................................46
3.13.1mcbsppinsasgeneral-purposei/o.........................................................................46
3.13.2hpidatapinsasgeneral-purposei/o......................................................................46
3.14memory-mappedregisters...............................................................................................47
3.15mcbspcontrolregistersandsubaddresses..........................................................................49
3.16dmasubbankaddressedregisters....................................................................................50
内容
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