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	NationMaster - Encyclopedia: Motorola 68030
		Motorola 68020 The Motorola 68020 is a microprocessor from Motorola.
		The Motorola 68040 is a microprocessor from Motorola.
		A Motorola 68040 Microprocessor The Freescale 68040 is a microprocessor from Freescale, released in 1990.
	www.nationmaster.com /encyclopedia/Motorola-68030 (1464 words)

	NationMaster - Encyclopedia: Motorola 68020
		The Motorola 68020 is a microprocessor from Motorola.
		Motorola 68030 Processor from a Macintosh IIsi The Motorola 68030 is a 32-bit microprocessor in Motorolas 68000 family.
		The 68020 was used in many models of the Amiga and Apple Macintosh II series of personal computers and Sun 3 workstations.
	www.nationmaster.com /encyclopedia/Motorola-68020 (1189 words)

	Motorola 68020 - Computing Reference - eLook.org
		It was the successor to the Motorola 68010 and was followed by the Motorola 68030.
		The 68020 added many improvements to the 68010 including a 32-bit ALU and external data bus and address bus, and new instrucitons and addressing modes.
		The 68020 was used in many models of the Apple Macintosh II series of personal computers and Sun 3 workstations.
	www.elook.org /computing/motorola-68020.htm (203 words)

	PDA Encyclopedia - Motorola 68000
		The Motorola 68000 is a CISC microprocessor, the first member of a successful family of microprocessors, which were all mostly software compatible.
		Motorola ceased production of the 68000 in 2000, although derivatives, notably the CPU32 family, continue in production.
		The Motorola 68901 had a number of severe defects, including the ability to lose the highest-priority interrupt if it and the clock interrupt happened within some window of each other.
	www.pdasupport.com /PDAencyclopediaMotorola68000.htm (1984 words)

	cpu-collection.de >> 68020
		Successor to the Motorola 68010 and followed by the 68030.
		The 68020 added many improvements to the 68010 including a 32-bit ALU and external data bus and address bus, and new instructions and addressing modes.
		The 68020 was used in many models of the Apple Macintosh LC series of personal computers, Sun 3 workstations and the Amiga 1200.
	www.cpu-collection.de /?tn=1&l0=cl&l1=68020 (148 words)

	Motorola 68020 from FOLDOC (Site not responding. Last check: )
		It was the successor to the Motorola 68010 and was followed by the Motorola 68030.
		The 68020 has 32-bit internal and external data and address buses and a 256-byte instruction buffer, arranged as 64 direct-mapped 4-byte entries[?].
		The 68020 was used in many models of the Apple Macintosh II series of personal computers and Sun 3 workstations.
	ftp.sunet.se /foldoc/foldoc.cgi?68020 (225 words)

	Motorola 68020
		The Motorola 68020 is a microprocessor from Motorola.
		It is the successor to the Motorola 68010 and is succeeded by the Motorola 68030.
		The 68020 was used in many models of the Amiga and Apple Macintosh II series of personal computers and Sun 3 workstations.
	www.xasa.com /wiki/en/wikipedia/m/mo/motorola_68020.html (300 words)

	Motorola 68020 (MC68020) microprocessor family
		Motorola 68020 (MC68020) is a 32-bit microprocessor compatible with earlier members of 680x0 family - 68000, 68008 and 68010.
		Address bus width on the 68020 is increased to 32 bits, which allows the processor to address up to 4 GB of memory.
		Some Motorola 68020 and 68EC020 microprocessors were marked with custom part numbers.
	www.cpu-world.com /CPUs/68020/index.html (290 words)

	Motorola 68020 Information
		The Motorola 68020 is a 32 bit microprocessor from Motorola, released in 1984.
		It is the successor to the Motorola 68010 and is succeeded by the Motorola 68030.
		The 68020 was used in the Commodore Amiga 1200 and the Apple Macintosh II personal computers, as well as Sun 3 workstations.
	www.bookrags.com /Motorola_68020 (369 words)

	Was ist Motorola 68020?
		Der Motorola 68020 ist der erste echte 32-Bit-Mikroprozessor der Motorola 68000er Familie.
		Zusätzlich zur Vergrößerung der ALU erhielt der 68020 aber auch eine aufwendigere Adressierungseinheit bzw.
		Motorola 68020 Prozessoren: Bilder und Beschreibungen auf cpu-collection.de (http://www.cpu-collection.de/?tn=1andl0=clandl1=68020)fr:Motorola 68020
	www.biologie.de /biowiki/Motorola_68020 (389 words)

	MOTOROLA 68020
		The 68020 had 32-bit internal and external data and address buses and a 256-byte instruction buffer, arranged as 64 direct-mapped 4-byte entries.
		The new instructions included some minor improvements and extensions to the supervisor state, some support for high-level languages which did not get used much (and was removed from future 680x0 processors), bigger (32 x 32-bit) multiply and divide instructions, and bit field manipulations.
		The 68881 and the faster 68882 FPU (floating point unit) chips could be used with the 68020.
	www.websters-online-dictionary.org /definition/english/Mo/Motorola+68020.html (278 words)

	68k information - Search.com
		The Motorola 680x0/0x0/m68k/68k/68K family of CISC microprocessor CPU chips were 32-bit from the start, and were the primary competition for the Intel x86 family of chips.
		There is also no revision of the 68060, as Motorola was in the process of shifting away from the 68k and 88k processor lines into its new PowerPC business, so the 68070 was never developed.
		Had Motorola decided to stick with the 680x0 series, it is very likely that the next processor (68080) would have resembled Intel's P6 architecture.
	domainhelp.search.com /reference/68k (616 words)

	ComputerBase - Lexikon: Motorola 68020
		Im Gegensatz zum 68000er, der zwar wie eine 32-Bit-CPU programmiert werden kann, intern aber nur eine 16-Bit-ALU besitzt und die 32-Bit-Befehle aus mehreren 16-Bit-Schritten zusammensetzt, und auch nur über einen 16-Bit-Datenbus verfügt, besitzt der 68020 einen 32-Bit-Datenbus und eine 32-Bit-ALU, was ihm einen enormen Geschwindigkeitsvorteil gegenüber den älteren Vertretern der 68000er-Familie beschert.
		Der Nach-Nachfolger Motorola 68040 integrierte dann auch die FPU in den Hauptprozessor.
		Motorola 68020 Prozessoren: Bilder und Beschreibungen auf cpu-collection.de
	www.computerbase.de /lexikon/Motorola_68020 (599 words)

	68020 - discuss@menelaus: [68020] in MITSCA
		Motorola 68020 is part of the Minimum CPU Class Required category.
		Motorola 68020 XC68020, a prototype of the 68020 Motorola 68020 The Motorola 68020 is a 32 bit microprocessor from Motorola, released in 1984.
		Motorola 68020 (MC68020) is a 32-bit microprocessor compatible with The Motorola 68020 processor was produced at speeds ranging from 12 MHz to 33 MHz.
	newfinders.com /nwfd/68020.htm (1080 words)

	Motorola 68000 microprocessor family
		Motorola 68000 (MC68000) is the first member of 680x0 line of microprocessors.
		Motorola also made 68008 - a version of 68000 CPU with 8-bit external data bus.
		The 68000 architecture was much more flexible than other CPU families (z80, 80x86, z80000, etc) from programming point of view as it could be easily expanded to support full 32-bit data and address buses.
	www.cpu-world.com /CPUs/68000 (283 words)

	Motorola 68020 - Definition, explanation
		The 68020 added many improvements to the 68010 including a 32-bit arithmetic and logical unit (ALU) and external data bus and address bus, and new instrucitons and addressing modes.
		The new adderessing modes added another level of indirection to many of the pre-existing modes, and added quite a bit of flexibility to various indexing modes and operations.
		This article was originally based on material from the Free On-line Dictionary of Computing and is used under the GFDL.
	www.calsky.com /lexikon/en/txt/m/mo/motorola_68020.php (326 words)

	OLD-COMPUTERS.COM : The Museum
		There was very little difference from previous revisions of the A2000, the most notable being the addition of processor cards increasing the system speed.
		The 2620 included a 14Mhz clocked Motorola 68020 CPU, 68881 FPU and 68851 MMU.
		Later onwards The A2620 was replaced with the faster A2630 which included a 25Mhz Motorola 68030 (With integrated MMU) and the much faster 68882 FPU, this combo could increase general speeds to 6X stock A2000 speeds.
	www.old-computers.com /museum/computer.asp?c=907 (517 words)

	OpenBSD/mac68k
		OpenBSD/mac68k runs on many of the Motorola 680x0-based Apple Macintosh computers.
		It requires a Motorola 68020, 68030, or a 68040 processor.
		If you have a 68020, it will also need a Motorola 68851 PMMU (note that this is different from the 68881, which is an FPU).
	www.openbsd.org /mac68k.html (477 words)

	NetBSD/sun3 (Site not responding. Last check: )
		NetBSD/sun3 is the port of NetBSD to the Sun Microsystems sun3, and sun3x series of computers, which are based on the Motorola 68020 and 68030 CPUs respectively, with a Sun-designed custom MMU.
		They were Sun's last design using Motorola microprocessors, and were somewhat complicated by the fact that the mc68030 has an integrated MMU in the CPU chip.
		Sun Microsystems stopped designing systems with Motorola microprocessors when their own SPARC CPU design became a commercial success.
	www.netbsd.org /Ports/sun3 (669 words)

	Dr. Dobb's \| Optimizing Integer Division By a Constant Divisor \| July 22, 2001
		Those of us old enough to remember 8-bit microprocessors such as the Motorola 6800 and the Intel 8080 (or those of us still using them for embedded systems or other similar applications) can recall writing division subroutines which were slow and consumed scarce memory resources.
		Table 1, for example, lists the number of clock cycles required by the Intel 80286 and Motorola 68020 processors for some of the basic arithmetic operations.
		For a 68020, the worst-case timing for this sequence would be about 35 clocks -- compared to 47 clocks for a divide instruction.
	www.ddj.com /184408499;jsessionid=V0HMFECMOHDGMQSNDLQCKHSCJUNN2JVN?_requestid=79737 (1944 words)

	Upto11.net - Wikipedia Article for 68k (Site not responding. Last check: )
		The Motorola 680x0, 0x0, m68k, or 68k family of CISC microprocessor CPU chips were 32-bit from the start, and were the primary competition for the Intel x86 family of chips.
		Note that there is no 68050, this is because the design that was destined to be the 68050 was eventually released as a version of the 68040.
		Should Motorola have decided to stick with the 680x0 series it is very likely that the next processor (68080) would have resembled Intel's P6 architecture.
	www.upto11.net /generic_wiki.php?q=68k (285 words)

	Motorola 68020 (Site not responding. Last check: )
		Der Motorola 68020 ist der erste echte 32-Bit- Mikroprozessor der Motorola 68000er Familie.
		Im Gegensatz zum 68000er der zwar wie eine 32-Bit-CPU programmiert kann intern aber nur eine 16-Bit- ALU besitzt und die 32-Bit-Befehle aus mehreren zusammensetzt und auch nur über einen 16-Bit- Datenbus verfügt besitzt der 68020 einen 32-Bit-Datenbus eine 32-Bit-ALU was ihm einen enormen Geschwindigkeitsvorteil den älteren Vertretern der 68000er Familie beschert.
		Zusätzlich zur Vergrößerung der ALU erhielt 68020 aber auch eine aufwendigere Adressierungseinheit bzw.
	www.uni-protokolle.de /Lexikon/Motorola_68020.html (284 words)

	Amazon.ca: 68020: Books (Site not responding. Last check: )
		68020 and 68030 Microprocessors by Patrick Jaulent, L. Baticle, P. Pillot, and Aidan Lyons (Paperback - Mar 29 1988)
		The Motorola Mc68020 and Mc68030 Microprocessors: Assembly Language, Interfacing, and Design by Thomas L. Harman (Hardcover - Jan 1989)
		The Motorola Microprocessor Family: 68000, 68008, 68010, 68020, 68030, And 68040 : Programming and Interfacing With Applications by Barry B. Brey (Hardcover - Jan 1992)
	www.amazon.ca /s?ie=UTF8&keywords=68020&tag=54003-20&index=books&page=1 (345 words)

	noral - debugging tools
		Designed to fit into the palm of one hand, the Flex-ICE020 provides non-intrusive, real-time (zero-wait-state) emulation support for all derivatives of the Motorola 68020 series, including devices operating at 33MHz.
		The latest addition to Noral Micrologics' FlexTools family of real-time development tools is a compact, 32-bit, in circuit emulator which, at under $10K, significantly reduces the cost of developing embedded systems based on Motorola's 68020 architecture.
		Noral will shortly be taking full advantage of this real-time hardware reconfiguration capability with releases of software that allow the emulator to be redefined as a tool for performance measurement and code coverage analysis.
	www.noral.com /pages/pr3.htm (376 words)

	noral - press releases
		Motorola 683xx (CPU32) development improved by real-time BDM tools.
		Compact, 32-bit emulator for Motorola 68020 is under $10K.
		Uses Motorola bond-out to achieve accuarte emulation in real-time.
	www.noral.com /pages/pr.htm (272 words)

	Motorola 68050 Definition. Define Motorola 68050. What is Motorola 68050?
		The successor to the {Motorola 68040} was the {Motorola 68060}.
		For example, the {Motorola 68010} was a {Motorola 68000} with some minor enhancements and modifications to some user/superuser instruction assignments.
		The {Motorola 68030} was a {Motorola 68020} with an {MMU} and more minor enhancements.
	www.learnthat.com /define/view.asp?id=1835 (166 words)

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