InterfacingTMS320C5000DSP
toMSP430MixedSignalMicrocontroller
MuhammadHaqueDigitalSignalProcessingSolutions
ABSTRACT
TheTMS320C5000Efamilyofdigitalsignalprocessors(DSPs)featuresHostPortInterface
Controllers(HPI)andDirectMemoryAccessControllers(DMAC)forefficientdatamovement
withoutanyCPUinvolvement.TheHPIenablestheDSPtointerfacetohostprocessors
(typicallymicrocontrollers)bidirectionallywithminimalornoexternalinterfacelogic.This
applicationreportpresentsahardwareinterfaceandasoftwareprotocoltocommunicate
betweentheTMS320VC5402DSPandtheMSP430x33xmixedsignalmicrocontroller.Aset
ofsimplearithmeticfunctionsareimplementedontheDSP,underthesupervisionofthe
microcontroller
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