Motorola DSP56305 Manuel d'utilisateur Page 13

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1-6 Optimizing DSP56300/DSP56600 Applications MOTOROLA
Introduction
Application Note Structure
1.4 APPLICATION NOTE STRUCTURE
This document has three main component parts:
DSP56300 and DSP56600 features description and use
Optimizing the code for best performance
Appendices
1.4.1 DSP56300 and DSP56600 Features
Description and Use
The first five sections in this application note describe all the
architectural and instruction set enhancements in the new DSP
cores and how they can be used to optimize applications.
Section 1—Introduction
DSP56300 core family
DSP56600 core family
Enhancements over the DSP56000
Section 2—Data Operations
How to organize data in memory to use parallel moves
How to use the barrel shifter in various applications
The benefit and use of the 16-bit Arithmetic support
Some examples that show the benefit of few of the new
arithmetic and logical instructions
Section 3—Program Control
How to use the on-chip hardware stack
Benefit and usage of the Stack Extension
Usage of the conditional arithmetic and logical
instructions
How to use the PC relative instructions for code
relocation and saving of program words
Using fast interrupts
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