Motorola MPC8260 User Manual

Page 69

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MOTOROLA

Part I. Overview

Part I-lxix

Part I. Overview

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

MII

Media-independent interface

MMU

Memory management unit

MSR

Machine state register

NMSI

Nonmultiplexed serial interface

OEA

Operating environment architecture

OSI

Open systems interconnection

PCI

Peripheral component interconnect

RISC

Reduced instruction set computing

RTC

Real-time clock

RTOS

Real-time operating system

Rx

Receive

SCC

Serial communications controller

SDLC

Synchronous data link control

SDMA

Serial DMA

SI

Serial interface

SIU

System interface unit

SMC

Serial management controller

SPI

Serial peripheral interface

SPR

Special-purpose register

SRAM

Static random access memory

TAP

Test access port

TB

Time base register

TDM

Time-division multiplexed

TLB

Translation lookaside buffer

TSA

Time-slot assigner

Table iv. Acronyms and Abbreviated Terms (Continued)

Term

Meaning

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