ADSP-219x/2191 DSP Hardware Reference, Introduction

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For Technical or Customer SupportFor Technical or Customer SupportYou can reach our Customer Support group in the following ways:• E-mail questions to dsp.support@analog.com ordsp.europe@analog.com (European customer support)• Telex questions to 924491, TWX:710/394-6577• Cable questions to ANALOG NORWOODMASS• Contact your local ADI sales office or an authorized ADI distributor• Send questions by mail to:Analog Devices, Inc.DSP DivisionOne Technology WayP.O. Box 9106Norwood, MA 02062-9106USAWhat’s New in this ManualThis is the first edition of the ADSP-219x DSP Hardware Reference. Summariesof changes between editions will start with the next edition.Related DocumentsFor more information about Analog Devices DSPs and developmentproducts, see the following documents:• ADSP-2191 DSP Microcomputer Data Sheet• ADSP-219x DSP Instruction Set Reference• VisualDSP++ User’s Guide for ADSP-21xx Family DSPs1-32 ADSP-219x/2191 DSP Hardware Reference
Introduction• C Compiler and Library Manual for ADSP-219x Family DSPs• Assembler and Preprocessor Manual for ADSP-219x Family DSPs• Linker and Utilities Manual for ADSP-219x Family DSPs• Getting Started Guide for ADSP-219x Family DSPsAll the manuals are included in the software distribution CD-ROM. Toaccess these manuals, use the Help Topics command in the VisualDSP++environment’s Help menu and select the Online Manuals. From this Helptopic, you can open any of the manuals, which are in Adobe Acrobat PDFformat.ConventionsThe following are conventions that apply to all chapters. Note that additionalconventions, which apply only to specific chapters, appearthroughout this document.Table 1-1. Notation ConventionsExampleAX0, SR, PXTMR0E, RESETDRx, MS3-0If, Do/UntilDescriptionRegister names appear in UPPERCASE and keyword fontPin names appear in UPPERCASE and keyword font; activelow signals appear with an OVERBAR.Register and pin names in the text may refer to groups of registersor pins. When a lowercase “x” appears in a register name(e.g., DRx), that indicates a set of registers (e.g., DR0, DR1, andDR2). A range also may be shown with a hyphen (e.g., MS3-0indicates MS3, MS2, MS1, and MS0).Assembler instructions (mnemonics) appear in Mixed-case andkeyword fontADSP-219x/2191 DSP Hardware Reference 1-33
Page 1 and 2: 1 INTRODUCTIONFigure 1-0.Table 1-0.
Page 3 and 4: IntroductionFigure 1-1 shows a deta
Page 5 and 6: IntroductionUnconstrained Data Flow
Page 7 and 8: Introduction• Update one or two d
Page 9 and 10: Introduction• Data Memory Address
Page 11 and 12: Introductioninterface to external m
Page 13 and 14: IntroductionBoth the DSP core and D
Page 15 and 16: IntroductionExternal (Off-chip) Mem
Page 17 and 18: Introductionchained, the completion
Page 19 and 20: Introductionthe SPI ports provide a
Page 21 and 22: IntroductionThe DSP provides a user
Page 23 and 24: Introductionory; and trace instruct
Page 25 and 26: Introductionand/or multifunction in
Page 27 and 28: IntroductionThe SV status condition
Page 29 and 30: IntroductionProgram Sequencer, Inst
Page 31: Introductionare available in ADSP-2

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