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Topic: Motorola MC14500B

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Microprocessor

	Great Microprocessors of the Past and Present: Forgotten/Innovative Designs before the Great Dark Cloud
		Data General later switched architectures and became an early supporter of the Motorola 88K series load-store microprocessor in the AViiON Unix based systems (designers originally wanted to call it the Nova II, but that idea was rejected, so instead they reversed the name and inserted the II in the middle, switching upper and lower case).
		Unfortunately, Motorola didn't keep up with competing CPUs (eventually switching its main support to the PowerPC), forcing Data General to invest heavily in multiprocessing to boost performance, until the company gave up on Motorola and switched to Intel Pentium CPUs (as Intergraph did).
		Inspired by the Motorola 6800, the 6301 featured A and B accumulators, one stack and one index register.
	www.microprocessor.sscc.ru /great/s2.html (2235 words)

	Encyclopedia: List of Motorola products
		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 Motorola 68040 is a microprocessor from Motorola.
	www.nationmaster.com /encyclopedia/List-of-Motorola-products (1690 words)

	[No title]
		Motorola MC14500B ICU, one bit at a time Probably the limit in small processors was the 1 bit 14500B from Motorola.
		Motorola 68000, a refined 16/32 bit CPU The 68000 was actually a 32 bit architecture internally, but 16 bit externally for packaging reasons (the 68020 version in 1985 was 32 bit externally).
		Motorola DSP96002, an elegant DSP architecture The 96002 is based on (and remained software compatible with) the earlier 56000 24 bit fixed point DSP (most fixed points DSPs are 16 bit, but 24 bits make it ideal for audio processing, without the high cost of floating point 32 bit DSPs).
	www.sunybroome.edu /~dixon_a/info/greatcpus.txt (14596 words)

	School of Computer & Information Science - University of South Australia
		Later, Motorola designed a successor called Coldfire (early 1995), in which complex instructions and addressing modes (added to the 68020) were removed and the instruction set was recoded, simplifying it at the expense of compatibility (source only, not binary) with the 680x0 line.
		The Motorola 88000 (originally named the 78000) is a 32 bit processor, one of the first RISC CPUs based on a Harvard architecture (the same as the Fairchild/Intergraph Clipper C100 (1986) beat it by 2 years).
		The C100 was a three-chip set like the Motorola 88000 (but predating it by two years), with a Harvard architecture CPU and separate MMU/cache chips for instruction and data.
	www.cis.unisa.edu.au /~cisbkg/cso/resources/cpu_history.html (16732 words)

	Great Microprocessors
		Part VIII: Motorola MC14500B ICU, one bit at a time Probably the limit in small processors was the 1 bit 14500B from Motorola.
		Part III: Motorola 68000, a refined 16/32 bit CPU The 68000 was actually a 32 bit architecture internally, but 16 bit externally for packaging reasons.
		Part IV: Motorola 88000, a conservative RISC (1988?) A design that is typical of most current RISC processors is the Motorola 88000 (originally named the 78000).
	wwwcsif.cs.ucdavis.edu /~csclub/museum/cpu.html (6798 words)

	MOTO from FOLDOC (Site not responding. Last check: 2007-10-25)
		It was the successor to the Motorola 68000 and was followed by the Motorola 68020.
		It was the successor to the Motorola 68010 and was followed by the Motorola 68030.
		The successor to the Motorola 68040 was the Motorola 68060.
	www.instantweb.com /d/dictionary/foldoc.cgi?query=MOTO (1692 words)

	Great Microprocessors of the Past and Present
		Later, Motorola designed a successor called Coldfire (early 1995), in which complex instructions and addressing modes (added to the 68020) were removed and the instruction set was recoded, simplifying it at the expense of compatibility (source only, not binary) with the 680x0 line.
		The Motorola 88000 (originally named the 78000) is a 32 bit processor, one of the first load-store CPUs based on a Harvard architecture (the same as the Fairchild/Intergraph Clipper C100 (1986) beat it by 2 years).
		The C100 was a three-chip set like the Motorola 88000 (but predating it by two years), with a Harvard architecture CPU and separate MMU/cache chips for instruction and data.
	www.geocities.com /rabeeljaved/cpuhis.html (15799 words)

	Great Microprocessors of the Past and Present
		Like the 6502, the 6809 was based on the Motorola 6800 (August 1974), though the 6809 expanded the design significantly.
		Someone told me a Motorola techie indicated the 68000 was originally planned to use the IBM S/360 instruction set, but the MMU and architectural differences make this unlikely.
		The Hitachi SH series was meant to replace the 8-bit and 16-bit H8 microcontrollers, a series of PDP-11-like (or National Semiconductor 32032/32016-like) memory-data CPUs with sixteen 16-bit registers (eight in the H8/300), usable as sixteen 8-bit or combined as eight 32-bit registers (for addressing, except H8/300), with many memory-oriented addressing modes.
	crusher.dk /~rmb/cpu.html (16907 words)

	Great Microprocessors of the Past and Present
		Motorola 6809 was the original design choice, and some prototypes were built, but they quickly realised that it didn't have the power for a GUI based OS, and they used the Lisa's 68000, borrowing some of the Lisa low level functions (such as graphics toolkit routines) for the Macintosh.
		Motorola 88110 graphics extensions, VIS also includes some 3D to 2D conversion, edge processing and pixes distance (for MPEG, pattern-matching support).
		Motorola 88000 microprocessor bus, more recent versions use PowerPC specific buses, some with a 128 bit 'backside' bus (620 and later versions) used to access a L2 cache.
	www.history-of-cpu.euro.ru /history/cpu_history.html (15291 words)

	Great Microprocessors of the Past and Present (Site not responding. Last check: 2007-10-25)
		The Z-8 (1979) was an embedded processor with on-chip RAM (actually a set of 124 general and 20 special purpose registers) and ROM (often a BASIC interpreter), and is available in a variety of custom configurations up to 20MHz.
		The Motorola 88000 (originally named the 78000) is a 32 bit processor, one of the first load-store CPUs based on a Harvard architecture (the same as the Fairchild/Intergraph Clipper C100 (1986) beat it by 2 years).
		Although the TRON project produced processors competitive in performance (Fujitsu's(?) Gmicro/500 memory-data CPU (1993) was faster and used less power than a Pentium), the idea of a single standard processor never caught on, and newer concepts (such as RISC features) overtook the TRON design.
	laguna.fmedic.unam.mx /~daniel/up/docs/varios/cpu.html (16694 words)

	motorola 14500b : Definition from the Online Dictionary at Datasegment.com (Site not responding. Last check: 2007-10-25)
		1 definition found motorola 14500b - Free On-line Dictionary of Computing (19 Sep 2003) : Motorola 14500B (MC14500B) A 1-bit ICU from Motorola.
		Probably the limit in small processors, the 14500B had a 4-bit instruction and controlled a single data read/write line, used for application control.
		It had only 16 pins, less than a typical RAM chip, and ran at 1 MHz.
	onlinedictionary.datasegment.com /word/motorola+14500b (103 words)

	Motorola MC14500B Information
		The Motorola MC14500B Industrial Control Unit (ICU) was a one-bit microprocessor designed for simple control applications.
		It is well-suited to the implementation of ladder logic, and thus could be used to replace relay systems and programmable logic controllers.
		Motorola MC14500B Industrial Control Unit, includes instruction set summary and link to a scanned data sheet
	www.bookrags.com /wiki/Motorola_MC14500B (75 words)

	[No title] (Site not responding. Last check: 2007-10-25)
		-- VHDL description of Motorola MC14500B Industrial Control Unit -- Copyright 2002, 2006 Eric Smith -- $Id: mc14500b.vhdl,v 1.2 2006/10/29 03:04:47 eric Exp eric $ -- In the real MC14500B, there is an internal oscillator, which is stopped -- when rst is asserted.
		In this model, for -- ease of use in an FPGA, there are separate data_in and data_out signals.
		signal ir: std_logic_vector (3 downto 0); -- The MC14500B has four internal state flip-flops, clocked on the -- rising edge of the clock input.
	www.brouhaha.com /~eric/retrocomputing/motorola/mc14500b/mc14500b.vhdl (136 words)

	[No title] (Site not responding. Last check: 2007-10-25)
		Part IX: Motorola MC14500B ICU, one bit at a time Probably the limit in small processors was the 1 bit 14500B from Motorola.
		Part III: Motorola 68000, a refined 16/32 bit CPU The 68000 was actually a 32 bit architecture internally, but 16 bit externally for packaging reasons (the 68020 version in 1985 was 32 bit externally).
		Part IV: Motorola DSP96002, an elegant DSP architecture The 96002 is based on (and remained software compatible with) the earlier 56000 24 bit fixed point DSP (most fixed points DSPs are 16 bit, but 24 bits make it ideal for audio processing, without the high cost of floating point 32 bit DSPs).
	zdenka.dakota-st.com /doc/history.of.CPUs (14990 words)

	Great Microprocessors of the Past and Present (Site not responding. Last check: 2007-10-25)
		Some of the designers left to work for MOS Technologies, which introduced the 650x series which included the 6501 (pin compatible with the 6800, taken off the market almost immediately for legal reasons) and the 6502 used in early Commodores, Apples and Ataris.
		Like the 6502, the 6809 was based on the Motorola 6800 (1974), which was initially based on the design of the big endian DEC PDP-8, though the 6809 expanded the design significantly.
		The same thing happened when the Motorola 68000 was expanded from 24 to 32 bit addressing).
	www.inf.pucrs.br /~moraes/arquitetura/cpu_history.html (18038 words)

	Great Microprocessors of the Past and Present
		To fill a gap in Motorola's product line, in the low cost/power consumption field which the PowerPC's complexity makes it impractical, the company designed a load/store CPU and core which contains features similar to the ARM, PowerPC, and Hitachi SH.
		IBM, Motorola, and Apple formed a coalition (around 1992) to produce a microprocessor version of the POWER design as a successor to both the Motorola 68000 and Intel 80x86, resulting in the PowerPC.
		In addition, IBM and Motorola have designed simplified embedded versions, such as the IBM 40x series, and Motorola's 8xx versions, though complexity limits how small the designs can be - for the lower end, Motorola designed the ARM-like MCore low cost/power RISC CPU, while IBM simply licensed the ARM itself.
	www.unixhub.com /docs/misc/cpu.html (16707 words)

	OPENCORES.ORG
		This project, written in VHDL, implements a microprocessor based on the Motorola MC14500B Industrial Control Unit (ICU).
		While a "1-bit" microprocessor might seem almost useless in light of modern 8/16/32 and 64-bit architectures, the ICU is really quite capable of implementing logic control functions.
		The original MC14500B was designed to replace hard logic with a simple programmable sequencer targeting "ladder logic" applications where output decisions were based on simple boolean logic applied to the input.
	www.opencores.org /projects.cgi/web/icu (173 words)

	[No title]
		Motorola: http://www.mot.com/ Motorola Microcontrollers: http://www.mcu.motsps.com/mc.html TRS-80 Color Computer Homepage (has 6809/6309 links): http://www.sfn.saskatoon.sk.ca/~ab594/coco.html Part VII: Advanced Micro Devices Am2901, a few bits at a time Bit slice processors were modular processors.
		Motorola: http://www.mot.com/ Motorola Microprocessors: http://www.mot.com/SPS/MMTG/mp.html Absolute Mac US History: http://www.absolutemac.com/US/HISTOIRE/history.html Amiga International: http://www.amiga.de/ Atari compatible Medusa computers: http://www.stud.ee.ethz.ch/~caschwan/medusa.html Atari compatible C-Lab computers: http://www.ataricentral.com/st/c-lab/mkx.html Part V: National Semiconductor 32032, similar but different.
		The 603 (1993?, first second generation G2) separated the main functional units further, removing load/store operations from the integer unit (four functional units total - integer, floating point, load/store (using integer registers), branch), and splitting the branch unit into a fetch/branch unit, a dispatch unit, and a completion/exception unit.
	www.mdfsnet.f9.co.uk /Docs/Comp/CPU/Greats (20047 words)

	Motorola MC14500B Definition / Motorola MC14500B Research
		The Motorola Motorola started as Galvin Manufacturing Corporation in 1928.
		The name of the company was changed to Motorola in 1947, but the word had been used as a trademark since the 1930s.
		[click for more] MC14500B Industrial Control Unit (ICU) was a one-bit microprocessorA microprocessor (abbreviated as µP or uP) is an electronic computer central processing unit (CPU) made from miniaturized transistors and other circuit elements on a single semiconductor integrated circuit (IC) (aka microchip or just chip)....
	www.elresearch.com /Motorola_MC14500B (217 words)

	Great Microprocessors of the Past and Present (Site not responding. Last check: 2007-10-25)
		Part XI: Motorola MC14500B ICU, one bit at a time.
		Part IV: Motorola 68000, a refined 16/32 bit CPU (September 1979).
		Part XIII: Motorola MCore, RISC brother to ColdFire (Early 1998).
	www.sasktelwebsite.net /jbayko/cpu.html (871 words)

	[No title]
		6502, the 6809 was based on the Motorola 6800 (August 1974), though the 6809 expanded the design significantly.
		Motorola 6800, the 6301 featured A and B accumulators, one stack and one index register.
		Motorola 54xx Coldfire CPU) in two decoders (one for simple and one for complex instructions) producing up to three MacroOps per cycle.
	cetusm.com /resources/cpuinfo.htm (15101 words)

	Motorola MC14500B Industrial Control Unit (ICU)
		Most MC14500B systems will route the RR output to one of the selectable inputs.
		Alternatively, the a contant 1 may be provided as one of the selectable inputs.
		I've written a VHDL description of the MC14500B.
	www.brouhaha.com /~eric/retrocomputing/motorola/mc14500b (167 words)

	Motorola T730 Faceplates - Information
		Motorola 68040 P930 A920 Motorola A1000 Motorola A1010 Nokia 8390 MPx200 Motorola Microsoft venture MPx220 update MPx200 NEXTEL i930 for 8217;s smartphones China.
		A780 Motorola E680 E2 Series E1000 Danger of products Mobile of mobile telephones The MC68012 processor the Motorola Motorola 68010 MC68010 preserved.
		has a Motorola T720 CPU 68030 CPUspeed MHz Motorola 68030 CPU a Motorola 6800 Motorola MC6803 eight same Motorola Motorola MC6847 MC6847 CPU: Motorola 6800 Motorola 6803 0.89 360 MC68000 Intel 370 Motorola MC68010 Example the MC68000, the The MC14500B Industrial retrocomputing mc14500b Motorola MC14500B Industrial sheet processors Category:Microprocessors motorola t730 faceplates.
	www.freewebs.com /information24/motorola-t730-faceplates.html (265 words)

	CPU-Story
		The 6800 from Motorola was essentially the same design as the 6502, but the latter left out one data register and added one index register, a minor change.
		A design that is typical of most current RISC processors is the Motorola 88000 (originally named the 78000).
		Though it's a multichip design, single chip CPUs to be manufactured by IBM and Motorola qualify it as a microprocessor.
	e3pc40.phys.uniroma1.it /Lab3/MMattioli/computer/fortran/cpustory.html (11322 words)

	Science Fair Projects - Motorola MC14500B
		Or else, you can start by choosing any of the categories below.
		It is well-suited to the implementation of ladder logic, and thus could be used to replace relay systems and programmable logic controllers.
		Motorola MC14500B Industrial Control Unit, includes instruction set summary and link to a scanned data sheet
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Motorola_MC14500B (242 words)

	[AMPS] Microprocessor control of high power amps (Site not responding. Last check: 2007-10-25)
		In the early 1980's the company i worked for was the first to put an embedded controller in a broadcast FM transmitter.
		It was based on the now extinct Motorola CMOS MC14500B inductrial 1 bit controller.
		I remember that the RF leakage (from amplifier cavity out to controls) and transients during tube or cavity arcs would wipe out some of the CMOS logic.
	lists.contesting.com /_amps/1997-12/msg00154.html (1254 words)

	Microprocessors - a CompInfo Directory
		PowerPC is a microprocessor designed to meet a standard which was jointly designed by Motorola, IBM, and Apple.
		The PowerPC architecture is based on the IBM POWER architecture, used in IBM's RS/6000 workstations.
		Currently IBM and Motorola are working on PowerPC chips.
	www.compinfo-center.com /tpchip-t.htm (686 words)

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