Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 459

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Index

Index-5

SPRU733

IEn bit 2-17
IER 2-17
IFn bit 2-18
IFR 2-18
INEX bit

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

INFO bit

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

instruction compatibility 3-34, A-1
instruction descriptions 3-34
instruction execution

.D unit C-2
.L unit D-2
.M unit E-2
.S unit F-2
no unit instructions G-2

instruction operation, notations 3-2
instruction to functional unit mapping B-1
instruction types

ADDDP instruction 4-28
branch instructions 4-22
DP compare 4-27
four-cycle 4-25
INTDP instruction 4-26
load instructions 4-20
MPYDP instruction 4-31
MPYI instruction 4-29
MPYID instruction 4-30
MPYSPDP instruction 4-32
MPYSP2DP instruction 4-33
multiply instructions 4-17
single-cycle 4-16
store instructions 4-18
SUBDP instruction 4-28
two-cycle DP 4-24

INTDP instruction 3-117

.L-unit instruction constraints 4-50
pipeline operation 4-26

INTDPU instruction 3-119
interleaved memory bank scheme 4-62

8-bank memory

single memory space 4-62
with two memory spaces 4-63

interrupt clear register (ICR) 2-16

interrupt enable register (IER) 2-17
interrupt flag register (IFR) 2-18
interrupt return pointer register (IRP) 2-19
interrupt service fetch packet (ISFP) 5-7
interrupt service table (IST) 5-6
interrupt service table pointer (ISTP), overview 5-9
interrupt service table pointer register (ISTP) 2-21
interrupt set register (ISR) 2-20
interrupts

clearing 5-14
control 5-13
control registers 5-10
detection and processing 5-16

actions taken during nonreset interrupt

processing 5-18

actions taken during RESET interrupt

processing 5-20

conditions for processing a nonreset

interrupt 5-16

setting the nonreset interrupt flag 5-16
setting the RESET interrupt flag 5-19

disabling 5-13
enabling 5-13
global control 5-11
globally disabling 5-11
globally enabling 5-11
overview 5-2
performance considerations 5-21

frequency 5-21
latency 5-21
overhead 5-21
pipeline interaction 5-21

pipeline interaction

branches 5-21
code parallelism 5-21
memory stalls 5-21
multicycle NOPs 5-21

priorities 5-3
programming considerations 5-22

manual interrupt processing 5-25
nested interrupts 5-23
single assignment 5-22
traps 5-26

returning from interrupt servicing 5-15
setting 5-14
signals used 5-2
status 5-14
types of 5-2

INTSP instruction 3-121

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