Powerpc Architecture Terminology Conventions - Motorola MPC860 PowerQUICC User Manual

Table i. Acronyms and Abbreviated Terms (Continued)
Term
UISA User instruction set architecture
UPM User-programmable machine
USART Universal synchronous/asynchronous receiver/transmitter
VA Virtual address
VEA Virtual environment architecture
XER Register used primarily for indicating conditions such as carries and overßows for integer operations

PowerPC Architecture Terminology Conventions

Table ii lists certain terms used in this manual that differ from the architecture terminology
conventions.
The Architecture SpeciÞcation
Data storage interrupt (DSI)
Extended mnemonics
Instruction storage interrupt (ISI)
Interrupt
Privileged mode (or privileged state)
Problem mode (or problem state)
Real address
Relocation
Storage (locations)
Storage (the act of)
MOTOROLA
Table ii. Terminology Conventions
About This Book
Meaning
This Manual
DSI exception
SimpliÞed mnemonics
ISI exception
Exception
Supervisor-level privilege
User-level privilege
Physical address
Translation
Memory
Access
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