MPC8280 datasheet(240/1386 Pages) FREESCALE

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MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

III-2

Freescale Semiconductor

MPC82xx Documentation

Supporting documentation for the MPC8280 can be accessed through the world-wide web at

www.freescale.com. This documentation includes technical specifications, reference materials, and

detailed applications notes.

Conventions

This document uses the following notational conventions:

Bold entries in figures and tables showing registers and parameter RAM should

be initialized by the user.

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

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

NOT logical operator

AND logical operator

OR logical operator

Acronyms and Abbreviations

Table i contains acronyms and abbreviations used in this document. Note that the meanings for some

acronyms (such as SDR1 and DSISR) are historical, and the words for which an acronym stands may not

be intuitively obvious.

Table I-i. Acronyms and Abbreviated Terms

Term

Meaning

Buffer descriptor

BIST

Built-in self test

BRI

Basic rate interface

CAM

Content-addressable memory

Bold

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