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Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 460

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Index

Index-6

SPRU733

INTSPU instruction 3-122
INVAL bit

in FADCR 2-24
in FAUCR 2-27
in FMCR 2-31

IRP 2-19
ISn bit 2-20
ISR 2-20
ISTB bits 2-21
ISTP 2-21

L

latency 3-14
LDB instruction

5-bit unsigned constant offset or register

offset 3-123

15-bit unsigned constant offset 3-126

LDBU instruction

5-bit unsigned constant offset or register

offset 3-123

15-bit constant offset 3-126

LDDW instruction 3-128

constraints 3-29

LDDW instruction with long write instruction,

D-unit instruction constraints 4-55

LDH instruction

5-bit unsigned constant offset or register

offset 3-131

15-bit unsigned constant offset 3-134

LDHU instruction

5-bit unsigned constant offset or register

offset 3-131

15-bit unsigned constant offset 3-134

LDW instruction

5-bit unsigned constant offset or register

offset 3-136

15-bit unsigned constant offset 3-139

leftmost bit detection (LMBD) 3-141
linear addressing mode 3-30

add instructions 3-30
load instructions 3-30
store instructions 3-30
subtract instructions 3-30

LMBD instruction 3-141

load

byte

from memory with a 5-bit unsigned constant

offset or register offset (LDB and
LDBU) 3-123

from memory with a 15-bit unsigned constant

offset (LDB and LDBU) 3-126

doubleword from memory with an unsigned

constant offset or register offset
(LDDW) 3-128

halfword

from memory with a 5-bit unsigned constant

offset or register offset (LDH and
LDHU) 3-131

from memory with a 15-bit unsigned constant

offset (LDH and LDHU) 3-134

word

from memory with a 5-bit unsigned constant

offset or register offset (LDW) 3-136

from memory with a 15-bit unsigned constant

offset (LDW) 3-139

load and store paths, CPU 2-6
load instructions

.D-unit instruction constraints 4-52
block diagram 4-21
conflicts 3-22
pipeline operation 4-20
syntax for indirect addressing 3-32
using circular addressing 3-31
using linear addressing 3-30

load or store to the same memory location,

rules 4-19

load paths 2-6
logical shift right (SHRU) 3-217

M

memory

introduction 1-8
paths 2-6

memory bank hits 4-62
memory considerations 4-60

memory bank hits 4-62
memory stalls 4-61

memory paths 2-6
memory stalls 4-61