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7.22EmulationFeaturesandCapability
7.22.1AdvancedEventTriggering(AET)
7.22.2Trace
SM320C6455-EP
FIXED-POINTDIGITALSIGNALPROCESSOR
SPRS462B–SEPTEMBER2007–REVISEDJANUARY2008
TheC6455devicesupportsAdvancedEventTriggering(AET).Thiscapabilitycanbeusedtodebug
complexproblemsaswellasunderstandperformancecharacteristicsofuserapplications.AETprovides
thefollowingcapabilities:
•HardwareProgramBreakpoints:specifyaddressesoraddressrangesthatcangenerateeventssuch
ashaltingtheprocessorortriggeringthetracecapture.
•DataWatchpoints:specifydatavariableaddresses,addressranges,ordatavaluesthatcangenerate
eventssuchashaltingtheprocessorortriggeringthetracecapture.
•Counters:counttheoccurrenceofaneventorcyclesforperformancemonitoring.
•StateSequencing:allowscombinationsofhardwareprogrambreakpointsanddatawatchpointsto
preciselygenerateeventsforcomplexsequences.
FormoreinformationonAET,seethefollowingdocuments:
UsingAdvancedEventTriggeringtoFindandFixIntermittentReal-TimeBugsapplicationreport(literature
numberSPRA753)
UsingAdvancedEventTriggeringtoDebugReal-TimeProblemsinHighSpeedEmbedded
MicroprocessorSystemsapplicationreport(literaturenumberSPRA387)
TheC6455devicesupportsTrace.Traceisadebugtechnologythatprovidesadetailed,historical
accountofapplicationcodeexecution,timing,anddataaccesses.Tracecollects,compresses,and
exportsdebuginformationforanalysis.Traceworksinreal-timeanddoesnotimpacttheexecutionofthe
system.
FormoreinformationonboarddesignguidelinesforTraceAdvancedEmulation,seethe60-PinEmulation
HeaderTechnicalReference(literaturenumberSPRU655).
C64x+PeripheralInformationandElectricalSpecifications 248SubmitDocumentationFeedback