IBM POWERPC 750GL - Manual (Page 368)

User’s Manual
IBM PowerPC 750GX and 750GL RISC Microprocessor
Acronyms and Abbreviations
Page 368 of 377
gx_acronyms.fm.(1.2)
March 27, 2006
THRM n Thermal-Management Registers
TLB translation lookaside buffer
TTL transistor-to-transistor logic
UIMM unsigned immediate value
UISA user instruction set architecture
UMMCRn User Monitor Mode Control Registers
UPMCn User Performance-Monitor Counter Registers
USIA User Sampled Instruction Address Register
VEA virtual environment architecture
WAR write-after-read
WAW write-after-write
WIMG write-through/caching-inhibited/memory-coherency enforced/guarded bits
XATC extended address transfer code
XER Register used for indicating conditions such as carries and overflows for integer operations.