MPC8540 datasheet(87/1302 Pages) FREESCALE

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MPC8540 PowerQUICC III Integrated Host Processor Reference Manual, Rev. 1

Freescale Semiconductor

lxxxvii

changes. These addenda are intended for use with the corresponding reference or user’s

manuals.

•

Hardware specifications—Hardware specifications provide specific data regarding bus

timing, signal behavior, and AC, DC, and thermal characteristics, as well as other design

considerations.

•

Technical summaries—Each device has a technical summary that provides an overview of

its features. This document is roughly equivalent to the overview (Chapter 1) of an

implementation’s reference or user’s manual.

•

Application notes—These short documents address specific design issues useful to

programmers and engineers working with Freescale Semiconductor processors.

Additional literature is published as new processors become available. For a current list of

documentation, refer to http://www.freescale.com.

Conventions

This document uses the following notational conventions:

cleared/set

When a bit takes the value zero, it is said to be cleared; when it takes a value

of one, it is said to be set.

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

Internal signals are set in lowercase italics, for example, core int

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 for registers are shown in uppercase text. Specific bits, fields,

or ranges appear in brackets. For example, MSR[LE] refers to the

little-endian mode enable bit in the machine state register.

In some contexts, such as signal encodings, an unitalicized x indicates a

don’t care.

An italicized x indicates an alphanumeric variable.

An italicized n indicates a numeric variable.

NOT logical operator

AND logical operator

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