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2.1description
2.2terminal/pinassignments
2.2.1terminalassignmentsfortheggupackage
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3456781012 1113 9
TMS320VC5410A
fixed-pointdigitalsignalprocessor
SPRS139G–NOVEMBER2000–REVISEDJANUARY2005
thetms320vc5410afixed-要点,digitalsignalprocessor(dsp)(hereafterreferredtoasthe5410a
unlessotherwisespecified)isbasedonanadvancedmodifiedharvardarchitecturethathasoneprogram
memorybusandthreedatamemorybuses.thisprocessorprovidesanarithmeticlogicunit(alu)witha
highdegreeofparallelism,应用-specifichardwarelogic,在-chipmemory,andadditionalon-碎片
peripherals.thebasisoftheoperationalflexibilityandspeedofthisdspisahighlyspecializedinstruction
设置.
separateprogramanddataspacesallowsimultaneousaccesstoprograminstructionsanddata,供应
ahighdegreeofparallelism.tworeadoperationsandonewriteoperationcanbeperformedinasingle
循环.instructionswithparallelstoreandapplication-specificinstructionscanfullyutilizethisarchitecture.
inaddition,datacanbetransferredbetweendataandprogramspaces.suchparallelismsupportsa
powerfulsetofarithmetic,逻辑,andbit-manipulationoperationsthatcanallbeperformedinasingle
machinecycle.the5410aalsoincludesthecontrolmechanismstomanageinterrupts,重复的
行动,andfunctioncalls.
figure2-1illustratestheballlocationsforthe144-pinballgridarray(bga)packageandisusedin
conjunctionwithtable2-1tolocatesignalnamesandballgridnumbers.figure2-2providesthepin
assignmentsforthe144-pinlow-profilequadflatpack(lqfp)包装.
figure2-1.144-ballggumicrostarbga™(bottomview)
table2-1listseachsignalnameandbgaballnumberforthe144-pintms320vc5410aggupackage.
table2-2listseachterminalname,terminalfunction,andoperatingmodesforthetms320vc5410a.
DV
DD
isthepowersupplyforthei/opinswhilecv
DD
isthepowersupplyforthecorecpu.dv
SS
isthe
groundforthei/opinswhilecv
SS
isthegroundforthecorecpu.thedv
SS
andCV
SS
pinscanbe
connectedtoacommongroundplaneinasystem.
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