Freescale Semiconductor PowerQUICC MPC885 Reference Manual page 96

Acronyms and Abbreviations
Table I-1 contains acronyms and abbreviations that are used in this document.
Term
BD Buffer descriptor
BPU Branch processing unit
CP Communications processor
CPM Communications processor module
DMA Direct memory access
DPLL Digital phase-locked loop
DRAM Dynamic random access memory
DTLB Data translation lookaside buffer
EA Effective address
GPCM General-purpose chip-select machine
GPR General-purpose register
HDLC High-level data link control
2
I C Inter-integrated circuit
IEEE Institute of Electrical and Electronics Engineers
IrDA Infrared Data Association
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
MMU Memory management unit
MSR Machine state register
NMSI Nonmultiplexed serial interface
OEA Operating environment architecture
OSI Open systems interconnection
PCI Peripheral component interconnect
PCMCIA Personal Computer Memory Card International Association
RISC Reduced instruction set computing
RTOS Real-time operating system
I-2
Table I-1. Acronyms and Abbreviated Terms
MPC885 PowerQUICC Family Reference Manual, Rev. 2
Meaning
Freescale Semiconductor