MPC8280 datasheet(87/1386 Pages) FREESCALE

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MPC8280 PowerQUICC II Family Reference Manual, Rev. 1

Freescale Semiconductor

lxxxvii

EPROM

Erasable programmable read-only memory

FPR

Floating-point register

FPSCR

Floating-point status and control register

FPU

Floating-point unit

GCI

General circuit interface

GPCM

General-purpose chip-select machine

GPR

General-purpose register

GUI

Graphical user interface

HDLC

High-level data link control

I2C

Inter-integrated circuit

IDL

Inter-chip digital link

IEEE

Institute of Electrical and Electronics Engineers

IrDA

Infrared Data Association

ISDN

Integrated services digital network

ITLB

Instruction translation lookaside buffer

Integer unit

JTAG

Joint Test Action Group

LIFO

Last-in-first-out

Link register

LRU

Least recently used

LSB

Least-significant byte

lsb

Least-significant bit

LSU

Load/store unit

MAC

Multiply accumulate

MESI

Modified/exclusive/shared/invalid—cache coherency protocol

MMU

Memory management unit

MSB

Most-significant byte

msb

Most-significant bit

MSR

Machine state register

NaN

Not a number

NIA

Next instruction address

NMSI

Nonmultiplexed serial interface

No-op

No operation

Table i. Acronyms and Abbreviated Terms (continued)

Term

Meaning

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