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.
All labels observed (12)
| Label | Occurrences |
|---|---|
| Motorola 68040 | 23 |
| Motorola 68LC040 | 4 |
| MC68040 | 1 |
| MC68EC040 | 1 |
| MC68EC040 has reduced MMU support | 1 |
| MC68EC040V | 1 |
| MC68LC040 | 1 |
| MC68LC040 lacks integrated FPU | 1 |
| MC68LC040V | 1 |
| Motorola 68040 family | 1 |
| Motorola 68040 microprocessor canonical | 1 |
| Motorola 68050 (canceled design) | 1 |
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.
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
subject surface form:
NeXT Inc.
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
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)
subject surface form:
Motorola 68040
this entity surface form:
MC68040
subject surface form:
Motorola 68040
this entity surface form:
MC68LC040
subject surface form:
Motorola 68040
this entity surface form:
MC68EC040
subject surface form:
Motorola 68040
this entity surface form:
MC68EC040V
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
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68LC040
this entity surface form:
Motorola 68040 family
this entity surface form:
Motorola 68LC040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68LC040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68LC040
this entity surface form:
Motorola 68040
this entity surface form:
Motorola 68040