www.德州仪器.com
内容
TMS320VC5409A
fixed-pointdigitalsignalprocessor
SPRS140F–NOVEMBER2000–REVISEDJANUARY2005
RevisionHistory
...........................................................................................................................
2
1TMS320VC5409AFeatures
....................................................................................................
9
2Introduction
.......................................................................................................................
10
2.1description..................................................................................................................10
2.2pinassignments............................................................................................................10
2.2.1terminalassignmentsfortheggupackage...............................................................10
2.2.2pinassignmentsforthepgepackage......................................................................12
2.3signaldescriptions.........................................................................................................13
3FunctionalOverview
...........................................................................................................
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...........................................................................20
3.6on-chipperipherals.......................................................................................................22
3.6.1software-programmablewait-stategenerator.............................................................22
3.6.2programmablebank-切换...............................................................................23
3.6.3busholders.....................................................................................................25
3.7paralleli/oports...........................................................................................................25
3.7.1enhanced8-/16-bithost-portinterface(hpi8/16).........................................................25
3.7.2hpinonmultiplexedmode.....................................................................................26
3.8multichannelbufferedserialports(mcbsps)..........................................................................27
3.9hardwaretimer............................................................................................................30
3.10clockgenerator............................................................................................................30
3.11enhancedexternalparallelinterface(xio2)...........................................................................32
3.12dmacontroller.............................................................................................................35
3.12.1features..........................................................................................................35
3.12.2dmaexternalaccess..........................................................................................35
3.12.3dmprecissue.................................................................................................36
3.12.4dmamemorymap..............................................................................................38
3.12.5dmaprioritylevel..............................................................................................39
3.12.6dmasource/destinationaddressmodification.............................................................39
3.12.7dmainautoinitializationmode...............................................................................40
3.12.8dmatransfercounting........................................................................................40
3.12.9dmatransferindoublewordmode..........................................................................41
3.12.10dmachannelindexregisters..............................................................................41
3.12.11dmainterrupts................................................................................................41
3.12.12dmacontrollersynchronizationevents...................................................................42
3.13general-purposei/opins.................................................................................................43
3.13.1mcbsppinsasgeneral-purposei/o........................................................................43
3.13.2hpidatapinsasgeneral-purposei/o......................................................................43
3.14deviceidregister.........................................................................................................44
3.15memory-mappedregisters...............................................................................................45
3.16mcbspcontrolregistersandsubaddresses..........................................................................47
3.17dmasubbankaddressedregisters....................................................................................48
内容
3
: 点此下载
