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User’s Manual
IBM PowerPC 750GX and 750GL RISC Microprocessor
gx_acronyms.fm.(1.2)
March 27, 2006
Acronyms and Abbreviations
Page 365 of 377
Acronyms and Abbreviations
BAT block-address translation
BHT branch history table
BIST built-in self test
BIU bus interface unit
BPU branch processing unit
BSDL Boundary-Scan Description Language
BTIC branch target instruction cache
BUID bus unit ID
CMOS complementary metal-oxide semiconductor
COP common on-chip processor
CQ completion queue
CR Condition Register
CTR Count Register
DABR Data Address Breakpoint Register
DAR Data Address Register
DBAT data BAT
DCMP data TLB compare
DEC Decrementer Register
DLL delay-locked loop
DMISS data TLB miss address
DMMU data MMU
DPM dynamic power management
DSISR Register used for determining the source of a DSI exception.
DTLB data translation lookaside buffer
EA effective address
EAR External Access Register
ECC error checking and correction
FIFO first-in-first-out