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Motorola Manuals
Signal Processors
DSP56600
Manual
Table Of Contents - Motorola DSP56600 Manual
Application optimization for digital signal processors
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Contents
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TABLE OF CONTENTS
SECTION
1
1.1
DSP56300 CORE FAMILY
. . . . . . . . . . . . . . 1-1
1.2
DSP56600 CORE FAMILY
. . . . . . . . . . . . . . 1-2
1.3
ENHANCEMENTS OVER THE DSP56000
. . 1-3
1.3.1
Instruction Set Enhancements
. . . . . . . . . . 1-3
1.3.2
Architectural Enhancements
. . . . . . . . . . . 1-5
1.4
APPLICATION NOTE STRUCTURE
. . . . . . . 1-6
1.4.1
DSP56300 and DSP56600 Features
Description and Use
. . . . . . . . . . . . . . . . . 1-6
1.4.2
Optimizing the Code for Best Performance 1-7
1.4.3
Appendixes . . . . . . . . . . . . . . . . . . . . . . . . 1-8
SECTION
2
2.1
USING THE DUAL DATA PATHS
. . . . . . . . . 2-1
2.2
16-BIT ARITHMETIC MODE
(DSP56300 ONLY)
. . . . . . . . . . . . . . . . . . . . . 2-6
2.3
THE MAX INSTRUCTION
. . . . . . . . . . . . . . . 2-7
2.4
USING THE BARREL SHIFTER
. . . . . . . . . . 2-8
2.5
BIT MANIPULATION INSTRUCTIONS
. . . . 2-10
2.6
DOUBLE PRECISION ARITHMETIC
. . . . . . 2-11
2.7
USING LESS STRAIGHT-FORWARD
INSTRUCTIONS
. . . . . . . . . . . . . . . . . . . . . 2-13
SECTION
3
3.1
HARDWARE LOOPS
. . . . . . . . . . . . . . . . . . . 3-1
3.2
THE HARDWARE STACK
. . . . . . . . . . . . . . . 3-3
3.3
USING THE STACK EXTENSION
. . . . . . . . . 3-7
3.4
TASK SWITCHING WITH THE STACK
EXTENSION
. . . . . . . . . . . . . . . . . . . . . . . . 3-10
3.5
CONDITIONAL DALU INSTRUCTIONS
. . . 3-11
3.6
PC RELATIVE INSTRUCTIONS
. . . . . . . . . 3-13
3.7
USING FAST INTERRUPTS
. . . . . . . . . . . . 3-17
MOTOROLA
Optimizing DSP56300/DSP56600 Applications
INTRODUCTION
. . . . . . . . . . . . . . . 1-1
DATA OPERATIONS
. . . . . . . . . . . . 2-1
PROGRAM CONTROL
. . . . . . . . . . 3-1
iii
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