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uAddress Register UpdateuOperation:( ..... ); ea-+RnAssembler Syntax:( ..... ) eawhere ( ..... ) refers to any arithmetic or logical instruction which allows parallel moves.Description: Update the specified address register according to the specified effectiveaddressing mode. All update addressing modes may be used.Example:RND 8 (R3)+N3;round value in 8 into 81, R3+N3-+R3Before ExecutionAfter ExecutionR31~ ____ ~$0_0_07 ______ ~ R31~ _____ $_00_OB ______ ~N3 ~I _______ $~0_00_4 ____ ~ N3 1L-_____ $_00_04 _____ ~Explanation of Example: Prior to execution, the 16-bit address register R3 contains thevalue $0007, and the 16-bit address offset register N3 contains the value $0004. Theexecution of the parallel move portion of the instruction, (R3)+N3, updates the R3address register according to the specified effective addressing mode by adding thevalue in the R3 register to the value in the N3 register and storing the 16-bit result back inthe R3 address register.Condition Codes:15 14 13 12 11 10 9 8 7 6 5 4 3 2 01 LF I DM I T I" I 81 I 80 I 11 I 10 18 I LIE I u I N I z v I :.1.... MR ..... CCR _.The condition codes are not affected by this type of parallel move.
uAddress Register UpdateuInstruction Format:( ..... ) eaOpcode:23 16 15 8 7 0o 0 1 0 0 0 0 0 0 10M M R R R INSTRUCTION OPCODEInstruction Fields:ea=5-bit Effective Address=MMRRREffectiveAddressing Mode(Rn)-Nn(Rn)+Nn(Rn)-(Rn)+MMRRRo 0 r r ro 1 r r r1 0 r r1 1 r rwhere "rrr" refers to an address register RO-R7Timing: mv oscillator clock cyclesMemory: mv program words
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DSP56K FAMILY INTRODUCTIONDSP56K CE
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Motorola reserves the right to make
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Table of Contents (Continued)Paragr
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ParagraphNumberTable of Contents (C
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FigureNumberList of Figures (Contin
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List of Tables (Continued)TablePage
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1.1 INTRODUCTIONThe DSP56K family i
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Fewer componentsStable, determinist
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Digital FilteringFinite Impulse Res
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architecture matches the shape of t
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• DSP56001 Compatibility - All me
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SECTION 2DSP56K CENTRAL ARCHITECTUR
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--I«a:w:ca.ffi~a. a.24-Bit 56KModu
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-rectly addressable registers: the
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3.1 DATA ARITHMETIC LOGIC UNITThis
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3.2.1 Data ALU Input Registers (X1,
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"""""" 24 BITS;:~:>~~::~~~:~:~:~:::
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3.2.4 Accumulator ShifterThe accumu
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Table 3-1 Limited Data ValuesDestin
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_--- N BITS ---_TWOS COMPLEMENT INT
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CASE I: IF AO < $800000 (1/2), THEN
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one instruction cycle. The ANDI ins
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3.5 DATA ALU PROGRAMMING MODELThe D
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4.1 ADDRESS GENERATION UNIT AND ADD
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!---LOWADDRESS ALU -----I~.j.I.....
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•••••••• _ ........
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4.4.1 Address Register Indirect Mod
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EXAMPLE: MOVE BO,V: (R1)+BEFORE EXE
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EXAMPLE: MOVE X1,X: (R2)+N2BEFORE E
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EXAMPLE: MOVE Y1,X: (RS+NS)BEFORE E
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Table 4-2 Address Modifier SummaryM
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ADDRESS -f-_POINTERUPPER BOUNDARYiM
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EXAMPLE: MOVE XO,X:(R2)+NLET:M2 00
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oundary gives a 16-bit binary numbe
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4.4.2.4 Address-Modifier-Type Encod
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SECTION 5PROGRAM CONTROL UNIT-
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X MEMORYRAM/ROMIII E:XPAf'JSIC)N LI
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interruptible since they are fetche
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PROGRAM CONTROL UNIT-23 1615 023 16
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The GGR is a special purpose contro
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If S 1 =0 and SO=O (no scaling)then
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-23 876543210I * 1* JSO I * I Mel y
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5.4.5.1 Stack Pointer (Bits 0-3)The
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-DATA ARITHMETIC LOGIC UNITINPUT RE
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6.1 INSTRUCTION SET INTRODUCTIONThe
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shown in Figure 6-2. Most instructi
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23 87 0L...-I ___-'-I_---'I BUS~ LS
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The MR and CCR may be accessed indi
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6.3.4 Operand ReferencesThe DSP sep
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Some address register indirect mode
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EXAMPLE A: IMMEDIATE INTO 24-BIT RE
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EXAMPLE A: IMMEDIATE SHORT INTO AO,
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EXAMPLE A: MOVE P: $3200,XOBEFORE E
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Table 6-1 Addressing Modes SummaryA
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6.4.2 LogicallnstructlonsThe logica
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START OF LOOP1)SP+ 1 • SP; LA. SS
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OPCODE/OPERANDSPARALLEL MOVE EXAMPL
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SECTION 7PROCESSING STATES-
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Each instruction requires a minimum
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second instruction of the downloade
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The DO instruction is another instr
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SP and SSH/SSL register manipulatio
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7.3.1 Interrupt TypesThe DSP56K rel
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Table 7-2 Status Register Interrupt
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7.3.3 Interrupt SourcesInterrupts c
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interrupts makes it very useful for
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MAINPROGRAMFETCHESLONG INTERRUPTSER
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7.3.3.3 Other Interrupt SourcesOthe
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7.3.4 Interrupt ArbitrationInterrup
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7.3.7 Interrupt Instruction Executi
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MAINPROGRAMMEMORYINTERRUPT SYNCHRON
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MAINPROGRAMFETCHESINTERRUPTSYNCHRON
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MAINPROGRAMFAST INTERRUPTVECTORLONG
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MAINPROGRAMFETCHESNTERRUPTSYN8HRCNZ
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7.5 WAIT PROCESSING STATEThe WAIT i
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The stop processing state halts all
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the first instruction fetch). If th
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RESET -----------------------------
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16 - BIT INTERNALADDRESS BUSESX ADD
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8.2.2.1 Address (AO-A15)These three
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SECTION 9PLL CLOCK OSCILLATOR-
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X MEMORYRAM/ROMEXPANSION24-Bit56KMo
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23 22 21 20 19 18 17 16 15 14 13 12
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cleared. To enable rapid recovery w
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-CLVCCVCC for the CKOUT output. The
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4. For all input frequencies which
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While the PLL is regaining lock, th
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10.1 ON-CHIP EMULATION INTRODUCTION
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10.2.2 Debug Serial Clock/Chip Stat
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76543210I R/W I GO I EX I RS41 RS31
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shifted in (so a new command is ava
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10.3.4.4 Software Debug Occurrence
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10.4.4 Memory High Address Comparat
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10.6.1 External Debug Request Durin
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PABCIRCULARBUFFERPOINTERDSCKDSOFigu
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are serially available to the exter
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k. ACKI. ClKm. Send command READ FI
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19. ACK20. Send command READ GDB RE
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10.11.6.1 Case 1: Return To The Pre
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SECTION 11ADDITIONAL SUPPORTDr. BuB
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The following is a partial list of
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• In-line assembler language code
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I Document 10 I Version Synopsis I
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I Document ID I Version Synopsis I
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11.5 MOTOROLA DSP NEWSThe Motorola
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DIGITAL SIGNAL PROCESSINGAlan V. Op
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C Programming Language:Controls:. C
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Image Processing:DIGITAL IMAGE PROC
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LINEAR PREDICTION OF SPEECHJ. D. Ma
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A.1 APPENDIX A INTRODUCTIONThis app
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XnYnTable A-1 Instruction Descripti
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Table A-1 Instruction Description N
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Table A-1 Instruction Description N
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Table A-2 DSP56K Addressing ModesAd
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The address register indirect addre
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A.SCONDITION CODE COMPUTATION15 14
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S1 SO Scaling Mode Signed Integer P
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Table A-5 Condition Code Computatio
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A.7 INSTRUCTION DESCRIPTIONSThe fol
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ABSAbsolute ValueABSInstruction For
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ADC Add Long with Carry ADCresult.
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ADD Add ADDCondition Codes:15 14 13
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ADDL Shift Left and Add Accumulator
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ADDR Shift Right and Add Accumulato
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ANDLogical ANDANDInstruction Format
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ANDIAND Immediate with Control Regi
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ASL Arithmetic Shift Accumulator Le
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ASR Arithmetic Shift Accumulator Ri
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BCHG Bit Test and Change BCHGExplan
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BCHGBit Test and ChangeBCHGInstruct
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BCHGBit Test and ChangeBCHGInstruct
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BCHG Bit Test and Change BCHGNotes:
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BCLR Bit Test and Clear BCLRExplana
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BClRBit Test and ClearBClRInstructi
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BClRBit Test and ClearBClRInstructi
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BClR Bit Test and Clear BClRNotes:
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BSET Bit Test and Set BSETExplanati
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BSETBit Test and SetBSETInstruction
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BSETBit Test and SetBSETInstruction
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BSET Bit Test and Set BSETNotes: If
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BTSTBit TestBTSTCondition Codes:115
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8TSTBit Test8TSTInstruction Format:
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8TSTBit Test8TSTInstruction Format:
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CLRClear AccumulatorCLRInstruction
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CMP Compare CMPCondition Codes:15 1
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CMPM Compare Magnitude CMPMConditio
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DEBUGEnter Debug ModeDEBUGOpcode:23
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DEBUGcc Enter Debug Mode Conditiona
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DEC Decrement by One DECInstruction
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DIV Divide Interation DIVThe DIV in
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DIV Divide Interation DIVNote that
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DIVInstruction Format:DIV S,DDivide
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DO Start Hardware Loop DOexecuted 6
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DOStart Hardware LoopDOAt LAOther R
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DOStart Hardware LoopDOInstruction
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DOStart Hardware LoopDOInstruction
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DO Start Hardware Loop DONotes: If
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ENDDO End Current DO Loop ENDDOExpl
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EOR Logical Exclusive OR EORInstruc
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ILLEGALIllegal Instruction Interrup
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INC Increment by One INCInstruction
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Jcc Jump Conditionally JccRestricti
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JccJump ConditionallyJccEffectiveAd
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JCLR Jump If Bit Clear JCLRRestrict
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JCLRJump If Bit ClearJCLRInstructio
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JCLR Jump If Bit Clear JCLRInstruct
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JMPJumpJMPInstruction Fields:xxx=12
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JSccJump to Subroutine Conditionall
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Page 363 and 364: JSCLR Jump to Subroutine if Bit Cle
Page 365 and 366: JSCLRJump to Subroutine If Bit Clea
Page 367 and 368: JSCLRJump to Subroutine If Bit Clea
Page 369 and 370: JSCLR Jump to Subroutine If Bit Cle
Page 371 and 372: JSET Jump if Bit Set JSETRestrictio
Page 373 and 374: JSETJump if Bit SetJSETInstruction
Page 375 and 376: JSET Jump If Bit Set JSETInstructio
Page 377 and 378: JSR Jump to Subroutine JSRInstructi
Page 379 and 380: JSSET Jump to Subroutine if Bit Set
Page 381 and 382: JSSETJump to Subroutine if Bit SetJ
Page 383 and 384: JSSET Jump to Subroutine if Bit Set
Page 385 and 386: LSL Logical Shift Left LSLCondition
Page 387 and 388: LSR Logical Shift Right LSRConditio
Page 389 and 390: LUALoad Updated AddressLUACondition
Page 391 and 392: MAC Signed Multiply-Accumulate MACC
Page 393 and 394: MACSigned Multiply-AccumulateMACTim
Page 395 and 396: MACR Signed Multiply-Accumulate and
Page 397 and 398: MACR Signed MUltiply-Accumulate and
Page 399 and 400: MOVE Move Data MOVEExplanation of E
Page 401 and 402: MOVE Move Data MOVEWhen a 56-bit ac
Page 403 and 404: No Parallel Data MoveInstruction Fo
Page 405 and 406: I Immediate Short Data Move IExampl
Page 407 and 408: I Immediate Short Data Move IDDD d
Page 409 and 410: R Register to Register Data Move RE
Page 411: R Register to Register Data Move RI
Page 415 and 416: X: X Memory Data Move X:Note:Due to
Page 417 and 418: X: X Memory Data Move X:S D DS,D d
Page 419 and 420: X: X Memory Data Move X:S D DS,D d
Page 421 and 422: X:R X Memory and Register Data Move
Page 427 and 428: Y: Y Memory Data Move Y:Note: This
Page 429 and 430: Y: Y Memory Data Move Y:S D DS,D d
Page 431 and 432: Y: Y Memory Data Move Y:S D DS,D d
Page 433 and 434: R:V Register and V Memory Data Move
Page 435 and 436: R:V Register and Y Memory Data Move
Page 437 and 438: R:V Register and Y Memory Data Move
Page 439 and 440: L: Long Memory Data Move L:Example:
Page 441 and 442: L: Long Memory Data Move L:Instruct
Page 443 and 444: X: Y: xv Memory Data Move X: Y:Exam
Page 445 and 446: X: Y: xv Memory Data Move X: Y:S1 D
Page 447 and 448: MOVEC Move Control Register MOVECst
Page 449 and 450: MOVEC Move Control Register MOVECCo
Page 451 and 452: MOVECMove Control RegisterMOVECInst
Page 453 and 454: MOVEC Move Control Register MOVECTi
Page 455 and 456: MOVEM Move Program Memory MOVEMoper
Page 457 and 458: MOVEM Move Program Memory MOVEMInst
Page 459 and 460: MOVEMMove Program MemoryMOVEMInstru
Page 461 and 462: MOVEP Move Peripheral Data MOVEPist
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MOVEP Move Peripheral Data MOVEPCon
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MOVEP Move Peripheral Data MOVEPIns
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MOVEP Move Peripheral Data MOVEPIns
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MPY Signed Multiply MPYExplanation
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MPY Signed Multiply MPYInstruction
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MPYR Signed Multiply and Round MPYR
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MPYR Signed Multiply and Round MPYR
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NEGNegate AccumulatorNEGInstruction
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NOPNo OperationNOPInstruction Forma
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NORM Normalize Accumulator Iteratio
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NOTLogical ComplementNOTInstruction
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ORLogical Inclusive ORORInstruction
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ORI OR Immediate with Control Regis
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REP Repeat Next Instruction REPRest
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REPRepeat Next InstructionREPInstru
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REPRepeat Next InstructionREPInstru
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REP Repeat Next Instruction REPNote
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RESETReset On-Chip Peripheral Devic
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RND Round Accumulator RNDConvergent
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RNDRound AccumulatorRNDInstruction
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ROL Rotate Left ROLCondition Codes:
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ROR Rotate Right RORCondition Codes
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RTIReturn from InterruptRTIConditio
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RTSReturn from SubroutineRTSInstruc
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sec Subtract Long with Carry secExp
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secSubtract Long with CarrysecInstr
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STOPStop Instruction ProcessingSTOP
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SUB Subtract SUBCondition Codes:S -
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SUBL Shift Left and Subtract Accumu
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SUBR Shift Right and Subtract Accum
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SWISoftware InterruptSWICondition C
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Tee Transfer Conditionally Teetion
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Tee Transfer Conditionally TeeInstr
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TFR Transfer Data ALU Register TFRC
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TSTTest AccumulatorTSTInstruction F
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WAIT Wait for Interrupt WAITConditi
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including the number of words per i
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5. Compute final results.Thus, base
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JLC (R2+N2)will requireand will exe
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Table A-6 Instruction Timing Summar
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Note that the "ap" term in Table A-
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Table A-14 Memory Access Timing Sum
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Other RestrictionsDO SSH,xxxxJSR to
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Immediately before MOVEC from SSH o
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A.9.S REP RestrictionsThe REP instr
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Table A-18 Triple-Bit Register Enco
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Table A-24 Program Control Unit Reg
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R: Register to Register Parallel Da
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JSSETJSSET#n,X:pp,XXXX#n,Y:pp,xxxx2
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JSSET#n,S,xxxx23 16 15 87 000001011
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BCHGBCHG#n,X:aa#n,Y:aa23 16 15 87 0
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MOVE(M)MOVE(M)S,P:aaP:aa,DREP #XXXR
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LUAea,O23 16 15 87 0I 0 0 0 0 0 1 0
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ENDDO23 16 15 87 00 0 0 0 0 0 0 o 1
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Table A-28 Operation Code QQQ Decod
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Table A-30 Special Case #10 P E R C
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NEGD23 87 43 0DATA BUS MOVE FIELDLS
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ADDRS,D23 87 43 oDATA BUS MOVE FIEL
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lEI
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Table 8-1 27-MHz Benchmark Results
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.*._---*-----*-------**-------....
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;Latest Revision - September 30, 19
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All coefficients are divided by 2:w
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Real input FFT based on Glenn Bergl
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countountcountcountorg y:coefset 0d
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; Real-Valued FFT for MOTOROLA DSP5
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; first group in the last passmove
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A Accumulator ....... ' ...........
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-H- fast ..........................
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PGND ..............................
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DSP56K FAMILY INTRODUCTIONDSP56K CE
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