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MOVEC Move Control Register MOVECOperation:Assembler Syntax:X:ea-401 MOVE(C) X:ea,01X:aa-401 MOVE(C) X:aa,01S1-4X:ea MOVE(C) 81,X:ea81-4X:aa MOVE(C) 81,X:aaY:ea-401 MOVE(C) Y:ea,01Y:aa-401 MOVE(C) Y:aa,01S1-4Y:ea MOVE(C) 81,Y:ea81-4Y:aa MOVE(C) 81,Y:aa81-402 MOVE(C) 81,0282-401 MOVE(C) 82,01#xxxx-401 MOVE(C) #xxxx,01#xx-401 MOVE(C) #xx,01Description: Move the contents of the specified source control register 81 or 82 to thespecified destination or move the specified source to the specified destination controlregister 01 or 02. The control registers 81 and 01 are a subset of the S2 and 02 registerset and consist of the address ALU modifier registers and the program controller registers.These registers may be moved to or from any other register or memory space. AImemory addressing modes, as well as an immediate short addressing mode, may beused.If the system stack register 88H is specified as a source operand, the system stackpointer (8P) is postdecremented by 1 after 88H has been read. If the system stack register88H is specified as a destination operand, the system stack pOinter (SP) is preincrementedby 1 before 88H is written. This allows the system stack to be efficientlyextended using software stack pointer operations.When a 56-bit accumulator (A or B) is specified as a source operand, the accumulatorvalue is optionally shifted according to the scaling mode bits 80 and S1 in the system
MOVEC Move Control Register MOVECstatus register (SR). If the data out of the shifter indicates that the accumulator extensionregister is in use, and the data is to be moved into a 24-bit destination, the value stored inthe destination is limited to a maximum positive or negative saturation constant to minimizetruncation error. If the data is to be moved into a 16-bit destination and the accumulatorextension register is in use, the value is limited to a maximum positive or negativesaturation constant whose LS 16 bits are then stored in the 16-bit destination register.Limiting does not occur if an individual 24-bit accumulator register (A 1, AD, 81, or 80) isspecified as a source operand instead of the full 56-bit accumulator (A or 8). This limitingfeature allows block floating-point operations to be performed with error detection sincethe L bit in the condition code register is latched.When a 56-bit accumulator (A or 8) is specified as a destination operand, any 24-bitsource data to be moved into that accumulator is automatically extended to 56 bits bysign extending the MS bit of the source operand (bit 23) and appending the source operandwith 24 LS zeros. Whenever a 16-bit source operand is to be moved into a 24-bitdestination, the 16-bit value is stored in the LS 16 bits of the 24-bit destination, and theMS 8 bits of that destination are zeroed. Similarly, whenever a 16-bit source operand isto be moved into a 56-bit accumulator, the 16-bit value is moved into the LS 16 bits of theMSP portion of the accumulator (A1 or 81), the MS 8 bits of the MSP portion of thataccumulator are zeroed, and the resulting 24-bit value is extended to 56 bits by signextending the MS bit and appending the result with 24 LS zeros. Note that for 24-bitsource operands both the automatic sign-extension and zeroing features may be disabledby specifying the destination register to be one of the individual 24-bit accumulatorregisters (A 1 or 81 ).Note: Due to instruction pipelining, if an AGU register (Mn, Nn, or Rn) is directly changedwith this instruction, the new contents may not be available for use until the second followinginstruction. See the restrictions discussed in A.9.6 - R, N, and M Register Restrictionson page A-31 O.Restrictions: The following restrictions represent very unusual operations which probablywould never be used but are listed only for completeness.-A MOVEC instruction used within a DO loop which specifies SSH as the source operandor LA, LC, SR, SP, SSH, or SSL as the destination operand cannot begin at theaddress LA - 2, LA - 1, or LA within that DO loop.
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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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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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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 and 412: R Register to Register Data Move RI
Page 413 and 414: uAddress Register UpdateuInstructio
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: X: Y: xv Memory Data Move X: Y:S1 D
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
Page 463 and 464: MOVEP Move Peripheral Data MOVEPCon
Page 465 and 466: MOVEP Move Peripheral Data MOVEPIns
Page 467 and 468: MOVEP Move Peripheral Data MOVEPIns
Page 469 and 470: MPY Signed Multiply MPYExplanation
Page 471 and 472: MPY Signed Multiply MPYInstruction
Page 473 and 474: MPYR Signed Multiply and Round MPYR
Page 475 and 476: MPYR Signed Multiply and Round MPYR
Page 477 and 478: NEGNegate AccumulatorNEGInstruction
Page 479 and 480: NOPNo OperationNOPInstruction Forma
Page 481 and 482: NORM Normalize Accumulator Iteratio
Page 483 and 484: NOTLogical ComplementNOTInstruction
Page 485 and 486: ORLogical Inclusive ORORInstruction
Page 487 and 488: ORI OR Immediate with Control Regis
Page 489 and 490: REP Repeat Next Instruction REPRest
Page 491 and 492: REPRepeat Next InstructionREPInstru
Page 493 and 494: REPRepeat Next InstructionREPInstru
Page 495 and 496: 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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