Motorola 68040 microprocessor

E224901

The Motorola 68040 microprocessor is a 32-bit CISC CPU from the Motorola 680x0 family, widely used in early 1990s workstations, servers, and Apple Macintosh computers for its integrated floating-point and memory management units.

Try in SPARQL Jump to: Surface forms Statements Referenced by

All labels observed (12)

Statements (50)

Predicate Object
instanceOf CISC processor
CPU
Motorola 680x0 family processor
microprocessor
addressBusWidth 32-bit
applicationDomain embedded control
personal computers
servers
workstations
architecture Motorola 68000 family
surface form: Motorola 680x0
bitWidth 32-bit
cacheSize 4 KB data cache
4 KB instruction cache
clockSpeedRange 20 MHz to 40 MHz
dataBusWidth 32-bit
designGoal higher performance than Motorola 68030
familyMemberOf Motorola 68000 family
surface form: Motorola 68000 series
featureOfVariant Motorola 68040 microprocessor self-linksurface differs
surface form: MC68EC040 has reduced MMU support

Motorola 68040 microprocessor self-linksurface differs
surface form: MC68LC040 lacks integrated FPU
hasIntegratedUnit floating-point unit
memory management unit
instructionSetType CISC
introductionYear 1990
manufacturer Motorola
maxClockSpeed 40 MHz (standard parts)
onChipCache separate instruction and data caches
pipelineStages 6-stage pipeline
predecessor Motorola 68030 microprocessor
surface form: Motorola 68030
processTechnology 0.65 µm CMOS (later steppings)
0.8 µm CMOS
successor Motorola 68040 microprocessor self-linksurface differs
surface form: Motorola 68050 (canceled design)

Motorola 68060
supports IEEE 754 floating-point (full 68040)
burst bus cycles
copyback cache mode
on-chip demand-paged virtual memory
write-through cache mode
usedIn Commodore Amiga 4000
surface form: Amiga 4000

Amiga accelerator boards
Apple Macintosh Centris 650
surface form: Apple Macintosh Centris series

Macintosh Quadra
surface form: Apple Macintosh Quadra series

HP 9000
surface form: HP 9000 workstations

NeXT Computer line
surface form: NeXT computers

Sun workstations
embedded systems
variant Motorola 68040 microprocessor self-linksurface differs
surface form: MC68040

Motorola 68040 microprocessor self-linksurface differs
surface form: MC68EC040

Motorola 68040 microprocessor self-linksurface differs
surface form: MC68EC040V

Motorola 68040 microprocessor self-linksurface differs
surface form: MC68LC040

Motorola 68040 microprocessor self-linksurface differs
surface form: MC68LC040V

Referenced by (37)

Full triples — surface form annotated when it differs from this entity's canonical label.

Motorola notableProduct Motorola 68040 microprocessor
Apollo/Domain workstations cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
NetBSD/mac68k supportsArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Sun-3 workstation architecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Commodore Amiga 4000 cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68040
AmigaOS architecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Macintosh Quadra cpuFamily Motorola 68040 microprocessor
this entity surface form: Motorola 68040
NEXT hardwareArchitecture Motorola 68040 microprocessor
subject surface form: NeXT Inc.
this entity surface form: Motorola 68040
NeXTSTEP architecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Apple Macintosh Performa series hardwareArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
NeXTstation cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68040
NeXTcube cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68040
ARAnyM emulatesCPU Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Mac 68k bootloaders targetCPUArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Apple Macintosh Centris 650 cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Apple Macintosh Centris 650 cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Motorola 68030 microprocessor successor Motorola 68040 microprocessor
subject surface form: Motorola 68030
this entity surface form: Motorola 68040
Motorola 68040 microprocessor successor Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: Motorola 68050 (canceled design)
Motorola 68040 microprocessor variant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68040
Motorola 68040 microprocessor variant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68LC040
Motorola 68040 microprocessor variant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68EC040
Motorola 68040 microprocessor variant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68EC040V
Motorola 68040 microprocessor variant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68LC040V
Motorola 68040 microprocessor featureOfVariant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68LC040 lacks integrated FPU
Motorola 68040 microprocessor featureOfVariant Motorola 68040 microprocessor self-linksurface differs
subject surface form: Motorola 68040
this entity surface form: MC68EC040 has reduced MMU support
NeXTSTEP Interface Builder platform Motorola 68040 microprocessor
this entity surface form: Motorola 68040
68k Macintosh usesCPU Motorola 68040 microprocessor
this entity surface form: Motorola 68040
NeXT Computer line processorArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Macintosh Performa 475 cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68LC040
Macintosh Performa 475 cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040 family
Macintosh Performa 575 cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68LC040
Macintosh Performa 575 cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Macintosh Performa 520 cpu Motorola 68040 microprocessor
this entity surface form: Motorola 68LC040
Macintosh Performa 520 cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Macintosh Performa 580 cpuModel Motorola 68040 microprocessor
this entity surface form: Motorola 68LC040
Macintosh Performa 580 cpuArchitecture Motorola 68040 microprocessor
this entity surface form: Motorola 68040
Motorola 68060 predecessor Motorola 68040 microprocessor
this entity surface form: Motorola 68040