Motorola MPC8260 User Manual

MOTOROLA

lxi

Table i contains acronyms and abbreviations used in this document. Note that the meanings
for some acronyms (such as SDR1 and DSISR) are historical, and the words for which an
acronym stands may not be intuitively obvious. 

A/D

Analog-to-digital

ALU

Arithmetic logic unit

ATM

Asynchronous transfer mode

BD

Buffer descriptor

BIST

Built-in self test

BPU

Branch processing unit

BRI

Basic rate interface.

BUID

Bus unit ID

CAM

Content-addressable memory 

CEPT

Conference des administrations Europeanes des Postes et Telecommunications (European 
Conference of Postal and Telecommunications Administrations).

CMX

CPM multiplexing logic

CPM

Communication processor module

CR

Condition register 

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

DSISR

Register used for determining the source of a DSI exception

DTLB

Data translation lookaside buffer

EA

Effective address

EEST

Enhanced Ethernet serial transceiver 

EPROM

Erasable programmable read-only memory

FPR

Floating-point register

FPSCR

Floating-point status and control register