Acronyms And Abbreviations - Motorola MPC860 PowerQUICC User Manual

Part I. Overview
REG[FIELD]
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Acronyms and Abbreviations

Table i contains acronyms and abbreviations that are used in this document.
Term
BD Buffer descriptor
BPU Branch processing unit
CPM Communications processor module
DMA Direct memory access
DPLL Digital phase-locked loop
DRAM Dynamic random access memory
DSP Digital signal processing
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
I-ii
Abbreviations or acronyms for registers or buffer descriptors are
shown in uppercase text. SpeciÞc bits, Þelds, or numerical ranges
appear in brackets. For example, MSR[LE] refers to the little-endian
mode enable bit in the machine state register.
In certain contexts, such as in a signal encoding or a bit Þeld,
indicates a donÕt care.
Indicates an undeÞned numerical value
Table iv. Acronyms and Abbreviated Terms
MPC860 PowerQUICC UserÕs Manual
Meaning
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