Motorola MC68020 - Revision history

Jnc: /* External links */ + User's Manual

2023-07-12T15:34:31Z

‎External links: + User's Manual

Jnc: Proper cat

2018-11-03T11:55:50Z

Proper cat

Jnc: Avoid redirs

2018-11-01T10:48:43Z

Avoid redirs

Jnc: Avoid redirs

2018-10-28T01:31:34Z

Avoid redirs

Jnc: add some detail

2016-11-14T18:27:40Z

add some detail

Jnc: Jnc moved page MC68020 to Motorola MC68020: follow naming system

2016-11-14T18:17:26Z

Jnc moved page MC68020 to Motorola MC68020: follow naming system

Tor: Added stub 68020 page

2013-04-03T12:20:53Z

Added stub 68020 page

New page

{{Infobox CPU
| name = MC68020
| manufacturer = [[Motorola]]
| family = m68k
| architecture = 32-bit
| address bus = 32-bit
| data bus = 32-bit (but can work with 8- or 16-bit buses)
| year introduced = 1984
| cache = 256 byte icache
| registers = 15 registers (32-bit)
| clock speed = 12.5 MHz - 33.33 MHz
}}

The Motorola 68020 is a 32-bit microprocessor in the MC68K family.
Earlier members were the [[MC68000|68000]], [[MC68008|68008]] and [[MC68010|68010]].
Later members include the [[MC68030|68030]], [[MC68040|68040]] and [[MC68060|68060]].

{{Stub}}
[[Category:Microprocessors]]

← Older revision		Revision as of 15:34, 12 July 2023
Line 19:		Line 19:

	{{semi-stub}}		{{semi-stub}}
		+
		+	==External links==
		+
		+	* [http://www.bitsavers.org/components/motorola/68000/ 68000] - documentation at [[Bitsavers]]
		+	** [http://www.bitsavers.org/components/motorola/68000/MC68020_32-Bit_Microprocessor_Users_Manual_1984.pdf MC68020 32-Bit Microprocessor User's Manual]

	[[Category: Motorola Microprocessors]]		[[Category: Motorola Microprocessors]]

← Older revision		Revision as of 11:55, 3 November 2018
Line 20:		Line 20:
	{{semi-stub}}		{{semi-stub}}

−	[[Category: Microprocessors]]	+	[[Category: Motorola Microprocessors]]

@@ Line 14: / Line 14: @@
 The '''Motorola MC68020''' is a 32-[[bit]] [[microprocessor]] in the [[Motorola M68000 Family]], the first of the second generation in that family, with a full 32-bit implementation throughout (including the [[data bus]]).
-Earlier members were the [[MC68000|68000]], [[MC68008|68008]], [[MC68010|68010]], and [[MC68012|68012]].
+Earlier members were the [[Motorola MC68000|68000]], [[MC68008|68008]], [[Motorola MC68010|68010]], and [[Motorola  MC68012|68012]]. Later members include the [[Motorola MC68030|68030]], [[Motorola MC68040|68040]] and [[Motorola MC68060|68060]].
 Performance was increased by the use of [[pipeline|pipelining]] and [[cache|caching]]; the MC68020 included a three-stage pipeline, along with a 256-byte cache (for instructions only). It also had a companion [[floating point]] chip, the [[MC68881]], which provided IEEE-compatiable floating point.
@@ Line 21: / Line 20: @@
 {{semi-stub}}
-[[Category:Microprocessors]]
+[[Category: Microprocessors]]

@@ Line 12: / Line 12: @@
 }}
-The '''Motorola MC68020''' is a 32-bit [[microprocessor]] in the [[Motorola M68000 Family]], the first of the second generation in that family, with a full 32-bit implementation throughout (including the data bus).
+The '''Motorola MC68020''' is a 32-[[bit]] [[microprocessor]] in the [[Motorola M68000 Family]], the first of the second generation in that family, with a full 32-bit implementation throughout (including the [[data bus]]).
 Earlier members were the [[MC68000|68000]], [[MC68008|68008]], [[MC68010|68010]], and [[MC68012|68012]].
-Later members include the [[MC68030|68030]], [[MC68040|68040]] and [[MC68060|68060]].
+Later members include the [[Motorola MC68030|68030]], [[Motorola MC68040|68040]] and [[Motorola MC68060|68060]].
-Performance was increased by the use of [[pipelining]] and [[caching]]; the MC68020 included a three-stage pipeline, along with a 256-byte cache (for instructions only). It also had a companion [[floating point]] chip, the [[MC68881]], which provided IEEE-compatiable floating point.
+Performance was increased by the use of [[pipeline|pipelining]] and [[cache|caching]]; the MC68020 included a three-stage pipeline, along with a 256-byte cache (for instructions only). It also had a companion [[floating point]] chip, the [[MC68881]], which provided IEEE-compatiable floating point.
 [[Category:Microprocessors]]

@@ Line 2: / Line 2: @@
 | name = MC68020
 | manufacturer = [[Motorola]]
-| family = m68k
+| family = [[Motorola M68000 Family]]
 | architecture = 32-bit
 | address bus = 32-bit
@@ Line 8: / Line 8: @@
 | year introduced = 1984
 | cache = 256 byte icache
-| registers = 15 registers (32-bit)
+| registers = 15 general 32-bit registers (8 data, 7 address)
 | clock speed = 12.5 MHz - 33.33 MHz
 }}
-The Motorola 68020 is a 32-bit microprocessor in the MC68K family.
+Earlier members were the [[MC68000|68000]], [[MC68008|68008]], [[MC68010|68010]], and [[MC68012|68012]].
 Later members include the [[MC68030|68030]], [[MC68040|68040]] and [[MC68060|68060]].
-{{Stub}}
+Performance was increased by the use of [[pipelining]] and [[caching]]; the MC68020 included a three-stage pipeline, along with a 256-byte cache (for instructions only). It also had a companion [[floating point]] chip, the [[MC68881]], which provided IEEE-compatiable floating point.
 [[Category:Microprocessors]]

← Older revision	Revision as of 18:17, 14 November 2016
(No difference)