Motorola MCF5281 사용자 설명서
MOTOROLA
About This Book
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About This Book
The primary objective of this user’s manual is to define the functionality of the MCF5282
processors for use by software and hardware developers.
processors for use by software and hardware developers.
The information in this book, except for changes to the Flash functionality, also applies to
the MCF5281.
the MCF5281.
The information in this book is subject to change without notice, as described in the
disclaimers on the title page. As with any technical documentation, it is the reader’s
responsibility to be sure he is using the most recent version of the documentation.
disclaimers on the title page. As with any technical documentation, it is the reader’s
responsibility to be sure he is using the most recent version of the documentation.
To locate any published errata or updates for this document, refer to the world-wide web at
http://www.motorola.com/coldfire.
http://www.motorola.com/coldfire.
Audience
This manual is intended for system software and hardware developers and applications
programmers who want to develop products with the MCF5282. It is assumed that the
reader understands operating systems, microprocessor system design, basic principles of
software and hardware, and basic details of the ColdFire
programmers who want to develop products with the MCF5282. It is assumed that the
reader understands operating systems, microprocessor system design, basic principles of
software and hardware, and basic details of the ColdFire
®
architecture.
Organization
Following is a summary and brief description of the major sections of this manual:
• Chapter 1, “Overview,” includes general descriptions of the modules and features
incorporated in the MCF5282, focussing in particular on new features.
• Chapter 2, “ColdFire Core,” provides an overview of the microprocessor core of the
MCF5282. The chapter describes the organization of the Version 2 (V2) ColdFire
processor core and an overview of the program-visible registers (the programming
model) as they are implemented on the MCF5282.
processor core and an overview of the program-visible registers (the programming
model) as they are implemented on the MCF5282.
MCF5282 multiply/accumulate unit, which executes integer multiply,
multiply-accumulate, and miscellaneous register instructions. The EMAC is
integrated into the operand execution pipeline (OEP).
multiply-accumulate, and miscellaneous register instructions. The EMAC is
integrated into the operand execution pipeline (OEP).