MPC8280 datasheet(171/1386 Pages) FREESCALE

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MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

II-1

Part II

Configuration and Reset

Intended Audience

Part II is intended for system designers and programmers who need to understand the operation of the

MPC8280 at start up. It assumes understanding of the PowerPC programming model described in the

previous chapters and a high level understanding of the MPC8280.

Contents

Part II describes start-up behavior of the MPC8280.

It contains the following chapters:

•

Chapter 4, “System Interface Unit (SIU),” describes the system configuration and protection

functions which provide various monitors and timers, and the 60x bus configuration.

•

Chapter 5, “Reset,” describes the behavior of the MPC8280 at reset and start-up.

Suggested Reading

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 chapter 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

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

Bold

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