Motorola MC68306 Bedienungsanleitung PDF herunterladen (Seite 30)

MOTOROLA 68K and ColdFire Product Portfolio Overview 23

MC68040V

Features • Low voltage (3.3 V) and low power (1.5 W at 33 MHz) version of

the MC68LC040

• Low-power mode for full power-down capability

• Full static design

• Dual input voltage compatibility (3.3 and 5 V TTL)

• Identical code to the MC68LC040 plus LPSTOP command for

power-down

• Nonmultiplexed 32-bit address and data buses

• 4-Kbyte on-chip instruction and data caches

• 37 MIPS performance at 33 MHz

• Burst memory interface

• On-chip memory management

• Upward pin compatibility with the MC68040 and MC68EC/LC040

Target Markets and

Applications

The principle targets for the XC68040V are all high-performance,

power-sensitive, general computing, and embedded processing

applications.

Competitors AMD, Hitachi, IBM, IDT, Intel, LSI, MIPs, and NEC

Motorola’s

Competitive

Advantage

The Intel 960CA/F is marketed as a RISC high-end solution, but it

consumes more power. The low-performance RISC machine is

intolerant of wait states and requires expensive high-speed SRAM.

Continued on next page

IFETCH

DECODE

EA CALC

EA FETCH

EXECUTE

ATC

CACHE

IMEMC

B

U

S

C

O

N

T

R

O

ATC CACHE

CONTROL

32-BIT ADDRESS BUS

32-BIT DATA BUS

MISCELLANEOUS

DMEMC

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