TMS320C80GF datasheet(56/171 Pages) TI

56 / 171 page

TMS320C80

DIGITAL SIGNAL PROCESSOR

SPRS023B – JULY 1994 – REVISED OCTOBER 1997

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251–1443

PP opcode formats (continued)

Table 12. Data Unit Mnemonics

MNEMONIC

FUNCTION

A = 1 selects arithmetic operations, A = 0 selects Boolean operations

ALU Operation

For Boolean operation (A = 0) select the 8 ALU function signals. For arithmetic operation (A = 1), odd bits specify the ALU

function and even bits define the ALU function modifiers.

class

Operation class, determines routing of ALU operands

cond

condition code

dst

D register destination or lower 3 bits of non-D register code

dst1

ALU dest. for MPY||ADD, MPY||EALU, or EALU||ROTATE operation. D register or lower 3 bits of non-D register code

dst2

Multiply dest. for MPY||ADD or MPY||EALU operation or rotate dest. for EALU||ROTATE operation. D register

dstbank

ALU register bank

imm.src2

5-bit immediate for src2 of ALU operation

32-Bit Immediate

32-bit immediate for src2 of ALU operation

oper

Six-operand data unit operation (MPY||ADD, MPY||SADD, MPY||EALU, EALU||ROTATE, divi)

Operation

Miscellaneous operation

src1

ALU source 1 register code (D register unless srcbank or s1bank is used)

src2

D register used as ALU source 2

src3

D register for multiplier source (MPY||ADD or MPY||EALU) or rotate amount (EALU||ROTATE)

src4

D reg for ALU C port operand or EALU||ROTATE mask generator input or multiplier source 2 for MPY||ADD, MPY||EALU

s1bnk

Bits 5-3 of src1 register code (bit 6 assumed to be 0)

TMS320C80GF Datasheet(PDF) 56 Page - Texas Instruments

TMS320C80GF Datasheet(HTML) 56 Page - Texas Instruments

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL