Motorola MPC8260 - Manual (Page 64)

lxiv MPC8260 PowerQUICC II UserÕs Manual MOTOROLA
PowerPC Architecture Terminology Conventions
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
Table ii. Terminology Conventions
The Architecture SpeciÞcation This Manual
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
Table i. Acronyms and Abbreviated Terms (Continued)
Term Meaning