MPC8280 datasheet(91/1386 Pages) FREESCALE

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MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

I-1

Part I

Overview

Intended Audience

Part I is intended for readers who need a high-level understanding of the MPC8280.

Contents

Part I provides a high-level description of the MPC8280, describing general operation and listing basic

features.

•

Chapter 1, “Overview,” provides a high-level description of MPC8280 functions and features. It

roughly follows the structure of this book, summarizing the relevant features and providing

references for the reader who needs additional information.

•

Chapter 2, “G2_LE Core,” provides an overview of the MPC8280 core.

•

Chapter 3, “Memory Map,” presents a table showing where MPC8280 registers are mapped in

memory. It includes cross references that indicate where the registers are described in detail.

Conventions

Part I uses the following notational conventions:

mnemonics

Instruction mnemonics are shown in lowercase bold.

italics

Italics indicate variable command parameters, for example, bcctrx.

Book titles in text are set in italics.

0x0

Prefix to denote hexadecimal number

0b0

Prefix to denote binary number

rA, rB

Instruction syntax used to identify a source GPR

Instruction syntax used to identify a destination GPR

REG[FIELD]

Abbreviations or acronyms for registers or buffer descriptors are shown in

uppercase text. Specific bits, fields, or numerical ranges appear in brackets. For

example, MSR[LE] refers to the little-endian mode enable bit in the machine state

In certain contexts, such as in a signal encoding or a bit field, indicates a don’t

care.

Indicates an undefined numerical value

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