Motorola MPC8260 User Manual

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MOTOROLA

Table ii lists certain terms used in this manual that differ from the architecture terminology
conventions.

UISA

User instruction set architecture

UPM

User-programmable machine

USART

Universal synchronous/asynchronous receiver/transmitter

USB

Universal serial bus

VA

Virtual address

VEA

Virtual environment architecture

XER

Register used primarily for indicating conditions such as carries and overßows for integer operations 

Data storage interrupt (DSI)

DSI exception

Extended mnemonics

SimpliÞed mnemonics

Instruction storage interrupt (ISI)

ISI exception 

Interrupt

Exception

Privileged mode (or privileged state)

Supervisor-level privilege

Problem mode (or problem state)

User-level privilege

Real address

Physical address

Relocation

Translation

Storage (locations)

Memory

Storage (the act of)

Access