Acronyms and abbreviations – Freescale Semiconductor MPC8260 User Manual
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MPC8260 PowerQUICC II Family Reference Manual, Rev. 2
I-2
Freescale Semiconductor
Acronyms and Abbreviations
contains acronyms and abbreviations that are used in this document.
Table I-1. Acronyms and Abbreviated Terms
Term
Meaning
ATM
Asynchronous Mode
BD
Buffer descriptor
BPU
Branch processing unit
COP
Common on-chip processor
CP
Communications processor
CPM
Communications processor module
CRC
Cyclic redundancy check
CTR
Count register
DABR
Data address breakpoint register
DAR
Data address register
DEC
Decrementer register
DMA
Direct memory access
DPLL
Digital phase-locked loop
DRAM
Dynamic random access memory
DTLB
Data translation lookaside buffer
EA
Effective address
FCC‘
Fast communications controller
FPR
Floating-point register
GPCM
General-purpose chip-select machine
GPR
General-purpose register
HDLC
High-level data link control
I
2
C
Inter-integrated circuit
IEEE
Institute of Electrical and Electronics Engineers
ISDN
Integrated services digital network
ITLB
Instruction translation lookaside buffer
IU
Integer unit
JTAG
Joint Test Action Group
LRU
Least recently used (cache replacement algorithm)
LSU
Load/store unit
MCC
Multi-channel controller