TMS320C28x Floating Point Unit and Instruction Set Reference Guide(1).pdfVIP免费

TMS320C28xFloatingPointUnitandInstructionSetReferenceGuideLiteratureNumber:SPRUEO2AJune2007–RevisedAugust20082SPRUEO2A–June2007–RevisedAugust2008SubmitDocumentationFeedbackContentsPreface...............................................................................................................................51Introduction...............................................................................................................71.1IntroductiontotheCentralProcessingUnit(CPU)......................................................................81.2CompatibilitywiththeC28xFixed-PointCPU............................................................................81.2.1Floating-PointCodeDevelopment................................................................................91.3ComponentsoftheC28xplusFloating-PointCPU......................................................................91.3.1EmulationLogic....................................................................................................101.3.2MemoryMap.......................................................................................................101.3.3On-ChipProgramandData......................................................................................101.3.4CPUInterruptVectors............................................................................................101.4MemoryInterface...........................................................................................................101.4.1AddressandDataBuses.........................................................................................111.4.2Alignmentof32-BitAccessestoEvenAddresses............................................................112CPURegisterSet......................................................................................................132.1CPURegisters..............................................................................................................142.1.1Floating-PointStat...