Motorola 68020 microprocessor

E220388

CISC processor CPU microprocessor

The Motorola 68020 microprocessor is a 32-bit CISC CPU introduced in the early 1980s that powered many workstations, servers, and Apple Macintosh computers, offering enhanced performance and features over its 68000-series predecessors.

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All labels observed (6)

Label	Occurrences
Motorola 68020	28
MC68020	1
MC68020 CPU core	1
Motorola 68020 generation	1
Motorola 68020 microprocessor canonical	1
Motorola 68EC020	1

How this entity was disambiguated

This entity first appeared as the object of triple T1774608 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Motorola 68020 microprocessor
Context triple: [Motorola, notableProduct, Motorola 68020 microprocessor]

A. Motorola 68000 family
The Motorola 68000 family is a line of 16/32-bit CISC microprocessors widely used in early personal computers, workstations, and game consoles during the 1980s and early 1990s.
B. Motorola 6800 microprocessor
The Motorola 6800 microprocessor is an 8-bit CPU introduced in the mid-1970s that became influential in early microcomputer and embedded system designs.
C. Motorola 88000 family
The Motorola 88000 family is a RISC-based microprocessor line developed by Motorola as a high-performance follow-up to its earlier 68000 series, aimed primarily at workstations and embedded systems.
D. Intel 80186
The Intel 80186 is a 16-bit microprocessor introduced in the early 1980s that integrated additional peripherals and control functions onto the CPU die, making it popular for embedded systems rather than mainstream personal computers.
E. Sharp X68030
The Sharp X68030 is a high-end Japanese personal computer released in the early 1990s, known for its powerful Motorola 68030 CPU and advanced graphics and sound capabilities popular among enthusiasts and game developers.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Motorola 68020 microprocessor
Target entity description: The Motorola 68020 microprocessor is a 32-bit CISC CPU introduced in the early 1980s that powered many workstations, servers, and Apple Macintosh computers, offering enhanced performance and features over its 68000-series predecessors.

A. Motorola 68000 family
The Motorola 68000 family is a line of 16/32-bit CISC microprocessors widely used in early personal computers, workstations, and game consoles during the 1980s and early 1990s.
B. Motorola 6800 microprocessor
The Motorola 6800 microprocessor is an 8-bit CPU introduced in the mid-1970s that became influential in early microcomputer and embedded system designs.
C. Motorola 88000 family
The Motorola 88000 family is a RISC-based microprocessor line developed by Motorola as a high-performance follow-up to its earlier 68000 series, aimed primarily at workstations and embedded systems.
D. Intel 80186
The Intel 80186 is a 16-bit microprocessor introduced in the early 1980s that integrated additional peripherals and control functions onto the CPU die, making it popular for embedded systems rather than mainstream personal computers.
E. Sharp X68030
The Sharp X68030 is a high-end Japanese personal computer released in the early 1990s, known for its powerful Motorola 68030 CPU and advanced graphics and sound capabilities popular among enthusiasts and game developers.
F. None of above. chosen

Statements (56)

Predicate	Object
instanceOf	CISC processor ⓘ CPU ⓘ microprocessor ⓘ
addressBusWidth	32-bit ⓘ
applicationDomain	high-end personal computers ⓘ servers ⓘ workstations ⓘ
architectureFamily	Motorola 68000 family ⓘ
backwardCompatibleWith	Motorola 68000 binary code ⓘ
clockSpeedRangeMHz	12.5–33 ⓘ
compatibleFPU	Motorola 68881 ⓘ Motorola 68881 ⓘ surface form: Motorola 68882
compatibleMMU	Motorola 68851 ⓘ
dataBusWidth	32-bit ⓘ
extendsInstructionSetWith	bit field instructions ⓘ multiply-accumulate style operations ⓘ new integer instructions ⓘ
hasFeature	improved exception handling over 68000 ⓘ instruction pipeline ⓘ loop mode optimization instructions ⓘ new addressing modes ⓘ on-chip instruction cache ⓘ scaled index addressing ⓘ
instructionCacheSize	256 bytes ⓘ
introducedInDecade	1980s ⓘ
introducedInYear	1984 ⓘ
manufacturer	Motorola ⓘ
notableImprovementOver	Motorola 68000 in performance ⓘ Motorola 68010 in features ⓘ
packageType	ceramic PGA ⓘ plastic QFP ⓘ
pipelineType	three-stage pipeline ⓘ
predecessor	Motorola 68000 family ⓘ surface form: Motorola 68000 Motorola 68010 ⓘ
processTechnology	HMOS-III ⓘ
successor	Motorola 68030 microprocessor ⓘ surface form: Motorola 68030
supports	32-bit linear addressing ⓘ external memory management unit ⓘ misaligned memory accesses better than 68000 ⓘ virtual memory when used with MMU ⓘ
supportsAddressSpace	4 GB ⓘ
supportsCoprocessorInterface	yes ⓘ
supportsInstructionSet	Motorola 68000 instruction set ⓘ
supportsOperatingSystem	AmigaOS via accelerator boards ⓘ Classic Mac OS ⓘ surface form: Mac OS (Classic) UNIX variants ⓘ
transistorCountApprox	190000 ⓘ
typicalClockSpeedMHz	16 ⓘ
usedInComputer	Macintosh II ⓘ surface form: Apple Macintosh II Macintosh LC ⓘ surface form: Apple Macintosh LC NeXT Computer prototypes and early systems ⓘ Sun-3 workstation ⓘ surface form: Sun-3 workstations
usedInSystem	Amiga accelerator boards ⓘ Apollo/Domain workstations ⓘ surface form: Apollo Domain workstations HP 9000 Series 300 ⓘ surface form: HP 9000/300 series
wordSize	32-bit ⓘ

How these facts were elicited