MPC8280 datasheet(92/1386 Pages) FREESCALE

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MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

I-2

Freescale Semiconductor

Acronyms and Abbreviations

Table I-1 contains acronyms and abbreviations that are used in this document.

Table I-1. Acronyms and Abbreviated Terms

Term

Meaning

ATM

Asynchronous Mode

Buffer descriptor

BPU

Branch processing unit

COP

Common on-chip processor

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

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

I2C

Inter-integrated circuit

IEEE

Institute of Electrical and Electronics Engineers

ISDN

Integrated services digital network

ITLB

Instruction translation lookaside buffer

Integer unit

JTAG

Joint Test Action Group

LRU

Least recently used (cache replacement algorithm)

LSU

Load/store unit

MCC

Multi-channel controller

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