Motorola MPC8260 User Manual

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MOTOROLA

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Application notesÑThese short documents contain useful information about 
speciÞc design issues useful to programmers and engineers working with PowerPC 
processors. 

For a current list of PowerPC documentation, refer to the world-wide web at
http://www.mot.com/PowerPC.

This document uses the following notational conventions:

Bold entries in Þgures and tables showing registers and parameter 
RAM should be initialized by the user. 

Instruction mnemonics are shown in lowercase bold. 

Italics indicate variable command parameters, for example, bcctrx.
Book titles in text are set in italics.

0x0

PreÞx to denote hexadecimal number

0b0

PreÞx to denote binary number

rA, rB

Instruction syntax used to identify a source GPR

rD

Instruction syntax used to identify a destination GPR

REG[FIELD]

Abbreviations or acronyms for registers or buffer descriptors are 
shown in uppercase text. SpeciÞc bits, Þelds, or numerical ranges 
appear in brackets. For example, MSR[LE] refers to the little-endian 
mode enable bit in the machine state register.

x

In certain contexts, such as in a signal encoding or a bit Þeld, 
indicates a donÕt care. 

Used to express an undeÞned numerical value

NOT logical operator

&

AND logical operator

|

OR logical operator