Motorola MPC533 Reference Manual page 72

Acronyms and Abbreviations
Table ii. Acronyms and Abbreviated Terms (continued)
Term
BIU Bus interface unit
BPU Branch processing unit
BSDL Boundary-scan description language
CMOS Complementary metal-oxide semiconductor
EA Effective address
EAR External access register
FIFO First-in-first-out
FPR Floating-point register
FPSCR Floating-point status and control register
FPU Floating-point unit
GPR General-purpose register
IABR Instruction address breakpoint register
IEEE Institute for Electrical and Electronics Engineers
IU Integer unit
JTAG Joint Test Action Group
LIFO Last-in-first-out
LR Link register
LSB Least-significant byte
lsb Least-significant bit
LSU Load/store unit
MSB Most-significant byte
msb Most-significant bit
MSR Machine state register
NaN Not a number
No-op No operation
OEA Operating environment architecture
PLL Phase-locked loop
POR Power-on reset
PVR Processor version register
RISC Reduced instruction set computing
SPR Special-purpose register
SRR0 Machine status save/restore register 0
SRR1 Machine status save/restore register 1
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PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Meaning
MPC533 Reference Manual MOTOROLA