Motorola MC68306 Bedienungsanleitung Seite 16

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MOTOROLA 68K and ColdFire Product Portfolio Overview 9
MC68020
Features • 32-bit address and data buses
• 256-byte instruction cache
• Coprocessor interface
• 9.8 MIPS/0.25 MFLOPS performance at 33 MHz
Target Markets and
Applications
The MC68020 was the first microprocessor to use a full 32-bit internal
and external architecture and the first to offer a vast increase in
performance over 8- and 16-bit processors. The dynamic bus feature
improves system flexibility, which allows use of 8- or 16-bit
peripherals. The MC68EC020 should also be considered unless there is
a clear need for the full 32-bit address bus.
Competitors AMD and Intel
Motorola’s
Competitive
Advantage
The Motorola MC68020 has some of the best support tools available.
Related
Documentation
PREFETCH/
DECODE
CONTROL
32-BIT ADDRESS BUS
32-BIT DATA BUS
BIU
AND
CONTROLLER
SEQUENCE/
CONTROL
EXECUTION
UNIT
INSTRUCTION
CACHE
MISCELLANEOUS
TITLE
ORDER NUMBER
MC68020 Product Brief (Rev 4)
MC68020/D
M68020 User’s Manual
M68020UM/AD
M68000 Programmer’s Reference Manual
M68000PM/AD
The High Performance Embedded Systems
Source Catalog
BR729/D
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