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Table A-1 Instruction Description Notation (Continued)Addressing Mode Operators« 110 Short Addressing Mode Force Operator< Short Addressing Mode Force Operator> Long Addressing Mode Force Operator# Immediate Addressing Mode Operator#> Immediate Long Addressing Mode Force Operator#< Immediate Short Addressing Mode Force OperatorMode Register (MR) SymbolsDMDouble Precision Multiply Bit Indicating if the Chip is in Double Precision Multiply ModeLFLoop Flag Bit Indicating When a DO Loop is in ProgressTTrace Mode Bit Indicating if the Tracing Function has been EnabledS1, SO Scaling Mode Bits Indicating the Current Scaling Mode11,10 Interrupt Mask Bits Indicating the Current Interrupt Priority LevelCondition Code Register (CCR) SymbolsStandard Definitions (Table A-5 in Section A.5 Describes Exceptions)SLEUNZVCBlock Floating Point Scaling Bit Indicating Data Growth DetectionLimit Bit Indicating Arithmetic Overflow and/or Data Shifting/LimitingExtension Bit Indicating if the Integer Portion of A or B is in UseUnnormalized Bit Indicating if the A or B Result is UnnormalizedNegative Bit Indicating if Bit 55 of the A or B Result is SetZero Bit Indicating if the A or B Result Equals ZeroOverflow Bit Indicating if Arithmetic Overflow has Occurred in A or BCarry Bit Indicating if a Carry or Borrow Occurred in A or B Result
Table A-1 Instruction Description Notation (Continued)Instruction Timing Symbolsaioapaxayaxyeajxmvmvbmvcmvmmvprxwiowpwxwylime Required to Access an I/O Operandlime Required to Access a P Memory Operandlime Required to Access an X Memory Operandlime Required to Access a V Memory Operandlime Required to Access XV Memory Operandslime or Number of Words Required for an Effective Addresslime Required to Execute Part of a Jump-Type Instructionlime or Number of Words Required for a Move-Type Operationlime Required to Execute Part of a Bit Manipulation Instructionlime Required to Execute Part of a MOVEC Instructionlime Required to Execute Part of a MOVEM Instructionlime Required to Execute Part of a MOVEP Instructionlime Required to Execute Part of an RTI or RTS InstructionNumber of Wait States Used in Accessing External 110Number of Wait States Used in Accessing External P MemoryNumber of Wait States Used in Accessing External X MemoryNumber of Wait States Used in Accessing External V Memory()( ... )EXTLSLSPMSMSPrS/LSign ExtZeroOther SymbolsOptional Letter, Operand, or OperationAny Arithmetic or Logical Instruction Which Allows Parallel MovesExtension Register Portion of an Accumulator (A2 or B2)Least SignificantLeast Significant Portion of an Accumulator (AO or BO)Most SignificantMost Significant Portion of a n Accumulator (A1 or B1)Rounding constantShifting and/or Limiting on a Data ALU RegisterSign Extension of a Data ALU RegisterZeroing of a Data ALU Register-
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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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Page 199 and 200: shifted in (so a new command is ava
Page 201 and 202: 10.3.4.4 Software Debug Occurrence
Page 203 and 204: 10.4.4 Memory High Address Comparat
Page 205 and 206: 10.6.1 External Debug Request Durin
Page 207 and 208: PABCIRCULARBUFFERPOINTERDSCKDSOFigu
Page 209 and 210: are serially available to the exter
Page 211 and 212: k. ACKI. ClKm. Send command READ FI
Page 213 and 214: 19. ACK20. Send command READ GDB RE
Page 215 and 216: 10.11.6.1 Case 1: Return To The Pre
Page 217: SECTION 11ADDITIONAL SUPPORTDr. BuB
Page 220 and 221: The following is a partial list of
Page 222 and 223: • In-line assembler language code
Page 224 and 225: I Document 10 I Version Synopsis I
Page 228 and 229: I Document ID I Version Synopsis I
Page 232 and 233: 11.5 MOTOROLA DSP NEWSThe Motorola
Page 234 and 235: DIGITAL SIGNAL PROCESSINGAlan V. Op
Page 236 and 237: C Programming Language:Controls:. C
Page 238 and 239: Image Processing:DIGITAL IMAGE PROC
Page 240 and 241: LINEAR PREDICTION OF SPEECHJ. D. Ma
Page 243 and 244: A.1 APPENDIX A INTRODUCTIONThis app
Page 245 and 246: XnYnTable A-1 Instruction Descripti
Page 247: Table A-1 Instruction Description N
Page 251 and 252: Table A-2 DSP56K Addressing ModesAd
Page 253 and 254: The address register indirect addre
Page 255 and 256: A.SCONDITION CODE COMPUTATION15 14
Page 257 and 258: S1 SO Scaling Mode Signed Integer P
Page 259 and 260: Table A-5 Condition Code Computatio
Page 261 and 262: A.7 INSTRUCTION DESCRIPTIONSThe fol
Page 263 and 264: ABSAbsolute ValueABSInstruction For
Page 265 and 266: ADC Add Long with Carry ADCresult.
Page 267 and 268: ADD Add ADDCondition Codes:15 14 13
Page 269 and 270: ADDL Shift Left and Add Accumulator
Page 271 and 272: ADDR Shift Right and Add Accumulato
Page 273 and 274: ANDLogical ANDANDInstruction Format
Page 275 and 276: ANDIAND Immediate with Control Regi
Page 277 and 278: ASL Arithmetic Shift Accumulator Le
Page 279 and 280: ASR Arithmetic Shift Accumulator Ri
Page 281 and 282: BCHG Bit Test and Change BCHGExplan
Page 283 and 284: BCHGBit Test and ChangeBCHGInstruct
Page 285 and 286: BCHGBit Test and ChangeBCHGInstruct
Page 287 and 288: BCHG Bit Test and Change BCHGNotes:
Page 289 and 290: BCLR Bit Test and Clear BCLRExplana
Page 291 and 292: BClRBit Test and ClearBClRInstructi
Page 293 and 294: BClRBit Test and ClearBClRInstructi
Page 295 and 296: BClR Bit Test and Clear BClRNotes:
Page 297 and 298: 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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JScc Jump to Subroutine Conditional
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JSCLR Jump to Subroutine if Bit Cle
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JSCLRJump to Subroutine If Bit Clea
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JSCLRJump to Subroutine If Bit Clea
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JSCLR Jump to Subroutine If Bit Cle
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JSET Jump if Bit Set JSETRestrictio
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JSETJump if Bit SetJSETInstruction
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JSET Jump If Bit Set JSETInstructio
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JSR Jump to Subroutine JSRInstructi
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JSSET Jump to Subroutine if Bit Set
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JSSETJump to Subroutine if Bit SetJ
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JSSET Jump to Subroutine if Bit Set
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LSL Logical Shift Left LSLCondition
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LSR Logical Shift Right LSRConditio
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LUALoad Updated AddressLUACondition
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MAC Signed Multiply-Accumulate MACC
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MACSigned Multiply-AccumulateMACTim
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MACR Signed Multiply-Accumulate and
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MACR Signed MUltiply-Accumulate and
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MOVE Move Data MOVEExplanation of E
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MOVE Move Data MOVEWhen a 56-bit ac
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No Parallel Data MoveInstruction Fo
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I Immediate Short Data Move IExampl
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I Immediate Short Data Move IDDD d
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R Register to Register Data Move RE
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R Register to Register Data Move RI
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uAddress Register UpdateuInstructio
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X: X Memory Data Move X:Note:Due to
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X: X Memory Data Move X:S D DS,D d
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X: X Memory Data Move X:S D DS,D d
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X:R X Memory and Register Data Move
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Y: Y Memory Data Move Y:Note: This
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Y: Y Memory Data Move Y:S D DS,D d
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Y: Y Memory Data Move Y:S D DS,D d
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R:V Register and V Memory Data Move
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R:V Register and Y Memory Data Move
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R:V Register and Y Memory Data Move
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L: Long Memory Data Move L:Example:
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L: Long Memory Data Move L:Instruct
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X: Y: xv Memory Data Move X: Y:Exam
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X: Y: xv Memory Data Move X: Y:S1 D
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MOVEC Move Control Register MOVECst
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MOVEC Move Control Register MOVECCo
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MOVECMove Control RegisterMOVECInst
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MOVEC Move Control Register MOVECTi
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MOVEM Move Program Memory MOVEMoper
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MOVEM Move Program Memory MOVEMInst
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MOVEMMove Program MemoryMOVEMInstru
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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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