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Topic: Zilog Z800

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16 bit

Zilog Z8000

ZiLOG

Z80

Intel 8080

Austell, Georgia

	Wikipedia: ZiLOG
		ZiLOG, often seen as Zilog, is a manufacturer of 8-bit CPUs, and are most famous for their Intel 8080-compatible Z80 series.
		Zilog was incorporated in California in 1974 by Federico Faggin, who left Intel after working on the 8080, and the Z80 shared many features with it.
		Later Zilog introduced 16-bit and 32-bit processors, but these were not particularly successful, and the company refocussed on the microcontroller market, producing both basic CPUs and application-specific standard products (ASSPs) built around a CPU.
	www.factbook.org /wikipedia/en/z/zi/zilog.html (170 words)

	Zilog Z80 - Wikipedia, the free encyclopedia
		The Zilog Z80 is an 8-bit microprocessor designed and sold by Zilog from July 1976 onwards.
		In recent decades Zilog has concentrated on the ever-growing market for embedded systems, and the most recent CPU family, the 8/16/24-bit eZ80, a fast Z80 with a linear 16 MB address range has been successful.
		Zilog's ill fated NMOS Z800 and CMOS Z280 were quite fast Z80-implementations (before the HD64180 / Z180) with a 24 MB paged MMU address space; they added many orthogonalizations and addressing modes to the Z80 instruction set, but were too complex and mini-computer inspired to be a natural choice for most embedded applications.
	www.cs.nmt.edu /~cs221/z80/Z80_wikipedia.html (2980 words)

	Zilog Z800 (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-13)
		The Zilog Z800 was a 16-bit microprocessor designed by Zilog to be released in 1985.
		It was instruction compatible with their existing Z80, and differed primarily in having larger registers, being able to address more memory, and running at higher speeds.
		However Zilog essentially ignored the Z800 in favour of their 32-bit Z8000 and it appears the Z800 never entered production.
	publicliterature.org.cob-web.org:8888 /en/wikipedia/z/zi/zilog_z800.html (357 words)

	Zilog Z80 Info - Bored Net - Boredom (Site not responding. Last check: 2007-10-13)
		The Zilog Z80 is an 8-bit microprocessor designed and manufactured by Zilog from 1976 onwards.
		Although Zilog made several attempts to move off the Z80 onto more powerful 16-bit (Zilog Z800) and 32-bit (Zilog Z8000) platforms, other companies were offering CPUs in this performance range years earlier, and the Zilog chips never caught on.
		The Zilog Z80 has also become a popular embedded microprocessor and microcontroller core, where it remains in widespread use today.
	www.borednet.com /e/n/encyclopedia/z/zi/zilog_z80.html (548 words)

	ZiLOG often seen as Zilog is a manufacturer of 8...
		"ZiLOG", often seen as "Zilog", is a manufacturer of 8-bit 8-bit CPU CPUs, and is most famous for its Intel 8080 Intel 8080-compatible Z80 Z80 series.
		Zilog was incorporated in California California in 1974 1974 by Federico Faggin Federico Faggin, who left Intel Intel after working on the 8080, and the Z80 shared many features with it.
		Later Zilog introduced 16-bit 16-bit and 32-bit 32-bit processors, but these were not particularly successful, and the company refocused on the microcontroller microcontroller market, producing both basic CPUs and application-specific standard product application-specific standard products (ASSPs) built around a CPU.
	www.biodatabase.de /ZiLOG (249 words)

	Zilog Z80000
		The Z80000 was Zilog's 32-bit processor from 1986, an expansion of its 16-bit predecessor, the Zilog Z8000.
		The processor was designed to interoperate with other integrated circuits designed for use with the Z8000, such as the Zilog Z8070 floating-point coprocessor.
		Zilog Z80,000 Preliminary Technical Manual – PDF scan of documentation from 1984.
	www.mrsci.com /Microprocessors/Zilog_Z80000.php (208 words)

	[No title] (Site not responding. Last check: 2007-10-13)
		The Z800 family will be offered in 4 packages, their abilities are: 1.
		The Z800 also has 4 DMA channels, 4 counter/timers, a dynamic RAM refresh generator, a clock osc., a memory management unit, and a UART directly on the chip.
		The chip will support what Zilog calls Nibble mode addressing of chips, for faster accessing of RAM (I think Intel calls it Ripple mode, I could be wrong).
	www.retroarchive.org /cpm/cdrom/CPM/GENDOC/Z800.DOC (367 words)

	[No title]
		To assure system integrity, the Z800 microprocessor can operate in either user or system mode, allowing protection of system resources from user tasks and programs.
		Burst mode transactions have the further benefit of allowing the cache to operate more efficiently by guaranteeing a high probability that the contents of the associated memory will be present in the cache.
		It would be nice if this ever came to pass, but Zilog is busy with their Z80,000 32 bit processor so this takes a back seat.
	www.retroarchive.org /cpm/cdrom/CPM/GENDOC/Z800MORE.DOC (784 words)

	Computer, Telephony and Electronics Glossary and Dictionary
		Made by Zilog, it used a "reverse" Intel 8080 assembler set but was for all practical purposes a better mousetrap and the world beat a path to Zilog's door.
		The subsequent offerings from Zilog, the Z800 and Z8000 were directly competitive to the Intel 8085 and 8086; we all know who won that war, especially since you probably never have heard of the Z800 or Z8000.
		That CPU was the standard of the 70's and 80's and had the CPU world at its feet until Intel brought out the 8085 and 8086 series of processors.
	www.csgnetwork.com /glossaryz.html (3959 words)

	MSX Info - Bored Net - Boredom (Site not responding. Last check: 2007-10-13)
		Nishi's standard consisted primarily of several off-the-shelf parts, the main CPU was the Zilog Z80 running at 4MHz, graphics were provided by the Texas Instruments TMS9918, in use in their own failed TI-99, and sound by the General Instruments AY-3-8910.
		The first three were 8-bit computers based on the Z80 microprocessor, while the MSX turbo R was based on an enhanced Zilog Z800 known as the R800.
		The turbo R was introduced in 1992 but was unsuccessful due to a lack of support from any other company.
	www.borednet.com /e/n/encyclopedia/m/ms/msx.html (625 words)

	Zilog Z80
		In Romania, several Z80 based computers were manufactured: HC85, HC90, HC91, HC2000 (by the Felix Computers Factory, based in Bucharest), CIP-02 and CIP-03 (by the Electronica Factory, located in Bucharest) and TimS (by the Timisoara Technical University).
		BDS C (or the BD Software C Compiler) is a compiler for a sizeable subset of the C programming language, that ran on and generated code for the Intel 8080 and Zilog Z80 processors.
		It was written by Leor Zolman and first released in 1979 when he was 20 years old.
	www.libraryoflibrary.com /E_n_c_p_d_Zilog_Z80.html (4457 words)

	Pipelined single chip microprocessor having on-chip cache and on-chip memory management unit - United States Patent ...
		The memory management unit, in a manner similar to the cache memory, uses a technique to load into its memory a required part of the logical/physical address translation table from the external memory, when necessary, that replaces the least recently used part of that table in the already full memory management unit.
		The various aspects of the present invention are being commercially embodied in the Z80,000 Central Processor Unit of Zilog, Inc., Campbell, Calif., assignee of the present application.
		One such processor is the Z8000 central processing unit of Zilog, Inc., which uses the format of FIG.
	xrint.com /patents/us/4794524 (10378 words)

	MSX
		Nishi's standard consisted primarily of several off-the-shelf parts, the main CPU was the Zilog Z80 running at 3.58MHz, graphics were provided by the Texas Instruments TMS9918, in use in their own failed TI-99, and sound by the General Instruments AY-3-8910.
		The turbo R was introduced in 1990 but was unsuccessful due to lack of support from any other company.
		As MSX 1's processor, the Zilog Z80, could address up to 64 kbytes, the default allocation (used in most, if not all models) was lower 32 kbytes for ROM BASIC and upper 32 kbytes for RAM.
	www.starrepublic.org /encyclopedia/wikipedia/m/ms/msx.html (1153 words)

	Zilog Z80
		Although Zilog made several attempts to move off the Z80 onto more powerful 16-bit (Zilog Z800, Zilog Z8000, Zilog Z180, Zilog Z280) and 32-bit (Zilog Z80000, Zilog Z380) platforms, other companies were offering CPUs in this performance range years earlier, and the Zilog chips never caught on.
		ZilogвЂ™s most recent CPU is the Zilog eZ80, a faster Z80 with a 16 MB addressing range.
		Hitachi developed an enhanced CMOS version which later was second-sourced by Zilog.
	www.mrsci.com /Microprocessors/Zilog_Z80.php (900 words)

	zilog_z80 (Site not responding. Last check: 2007-10-13)
		version of the Z80.]]The Zilog Z80 is an 8-bit microprocessor designed and sold by Zilog from July 1976 onwards.
		Moreover, affordable memory chips (especially ROM & FLASH) are generally significantly slower than the state machine sub-cycles (clock cycles) used in microprocessors, and the shortest machine cycle time that could safely be used is limited by memory access times in most embedded (and home computer) designs.
		Minicomputer features such as, user and system modes, multiprocessor support, on chip MMU, on chip instruction and data cache, etc. was seen rather as more complexity than as functionality and support for the (usually electronics-oriented) embedded systems desiger, it also made it very hard to predict instruction execution times.
	www.yukoryum.com /wiki/?title=Zilog_Z80 (3889 words)

	R800 Creator (Hardware MSX Forum)
		ASCII asked Zilog to alther (upgrade) the Z800 in a specific way for the Turbo-R. So it's more or less an OEM CPU, created by Zilog for ASCII.
		My guess is ASCII and Toshiba bought the Z800 designs from ZiLOG and created the R800 from it.
		And indeed, unlike the Z800 or Z180, the R800 design is based on the RISC philosophy.
	www.msx.org /forumtopic1381p15.html (612 words)

	ZiLOG
		The Company has marketing agreements with Cingular Wireless, Honeywell, Blackboard, and ZiLOG Corporation.
		ZiLOG, often seen as Zilog, is a manufacturer of 8-bit CPUss, and is most famous for its Intel 8080-compatible Z80 series.
		After the Z80 Zilog introduced 16-bit and 32-bit processors, but these were not particularly successful, and the company refocused on the microcontroller market, producing both basic CPUs and application-specific integrated circuits/standard productss (ASICs/ASSPs) built around a CPU core.
	publicliterature.org /en/wikipedia/z/zi/zilog.html (216 words)

	[No title]
		Nishi's standard consisted primarily of several off-the-shelf parts; the main CPU was a 3.58 MHz Zilog Z80, the graphics chip a Texas Instruments TMS9918 with 16 KB of dedicated VRAM, and the sound was provided by the AY-3-8910 chip manufactured by General Instrument (GI).
		The Turbo R was introduced in 1990 but was unsuccessful due to a lack of support and the rise in popularity of the by then well-established IBM PC Compatible market.
		As the MSX's processor, the Zilog Z80A could address up to 64 kB of memory, the default allocation (used in most, if not all models) was with the lower 32 kB for ROM BASIC and the upper 32 kB for RAM.
	portable-apps.subiectiv.com /portable.php?title=MSX (2404 words)

	Thomas Scherrer Z80-Family Official Support Page
		Some of the info found here is property of Zilog, like hardware docs, instruction sets, and some of the software available.
		Z80 programming guide based upon the original Zilog manuals and restructuring of the data.
		Zilog Application note "Z80 Family Program Interrupt Structure", May 1978 - thanks to John Gill for that.
	www.z80.info (1031 words)

	Zilog (Site not responding. Last check: 2007-10-13)
		The Company has marketing agreements with Cingular Wireless, Honeywell, MEI, and ZiLOG Corporation.
		IR micro can be taughtComponents in Electronics, UK - Nov 24, 2006In common with Zilog’s ZLP12840 OTP (One Time Programmable) microcontroller, launched in November 2005, the ZLR64400 features an ‘on-chip’ ability to...
		He has served as Chairman of the Board of ON Semiconductor Chairman, President and CEO of Zilog President, CEO and Director of Onix Microsystems, and Chairman...
	www.33beat.com /Zilog.html (415 words)

	Zilog Z80 - Wikipedia (via CobWeb/3.1 planetlab2.cs.unc.edu) (Site not responding. Last check: 2007-10-13)
		Lo Zilog Z80 è un microprocessore a 8 bit progettato e prodotto da ZiLOG dal 1976 in poi.
		Anche se Zilog ha tentato varie volte di far entrare lo Z80 nel mercato dei 16 bit (ZiLOG Z800, ZiLOG Z8000) e in quello dei 32 bit (Zilog Z80000), ha dovuto sempre subire la concorrenza di altre società che fornivano già da alcuni anni CPU di tale potenza.
		Lo Z80 nacque nel luglio del 1976 per opera di Federico Faggin che, lasciata la Intel dopo aver lavorato sull'8080, aveva fondato la Zilog.
	it.wikipedia.org.cob-web.org:8888 /wiki/Zilog_Z80 (665 words)

	zilog: See what people are saying right now on Technorati (Site not responding. Last check: 2007-10-13)
		zilog: See what people are saying right now on Technorati
		ZiLOG First to Create 8 bit MCU With Vector...
		Antonopoulos has worldwide responsibility Nick Antonopoulos is the new Executive Vice President of Worldwide Sales at Zilog.
	technorati.com /tag/zilog (88 words)

	wikien.info: Main_Page (Site not responding. Last check: 2007-10-13)
		In particular, the expansion cartridge form and function were part of the standard: any MSX expansion or game cartridge would work in any MSX computer.
		Nishi's standard consisted primarily of several off-the-shelf parts, the main CPU was the Zilog Z80 running at 3.58MHz, graphics were provided by the Texas Instruments TMS9918 with 16 KB of dedicated VRAM in the design, and sound by the AY-3-8910 chip manufactured by General Instrument (GI).
		Processor: Zilog Z80 compatible running at 3.58 MHz or more (5.37 MHz versions were available)
	www.alanaditescili.net /index.php?title=MSX (2329 words)

	ZiLOG (Site not responding. Last check: 2007-10-13)
		Crimzon™ - The Crimzon™ ZLP32300 OTP MCU is the newest member of ZiLOG's family of microcontrollers intended for use in applications requiring infrared transmission capability.
		Search for ZiLOG products in ChipSeeker's Semiconductor Search, also try Chipseeker's Electronic Component Search, Connector Search or Die Search.
		You'll get the value added technologies and services to help you suceed in today's most competitive markets.
	www.chipseeker.com /semiconductors/zilog-semiconductor.html (533 words)

	NVIDIA Forums > i think i could sell my Z800.. (Site not responding. Last check: 2007-10-13)
		Full Version: i think i could sell my Z800..
		Apr 20 2006, 05:24 AM Ya mean Zilog Z800?
		To view the full version with more information, formatting and images, please click here.
	forums.nvidia.com /lofiversion/index.php?t13708.html (105 words)

	[No title]
		Zilog, Inc.: Z8 family: product descriptions and specifications application notes, data sheets
		Zilog, Inc.: Z80 family: product descriptions and specifications handbook, application notes, data sheets, programmers' reference guides, technical articles
		Zilog, Inc.: Z800 family: product descriptions and specifications handbook, application notes, data sheets, programmers' reference guides, technical articles
	www-sul.stanford.edu /depts/spc/xml/m1139.xml (1141 words)

	ePanorama
		The current version targets the Intel 8051 and the Zilog Z80 based MCUs.
		An 80C31-Controlled Power Supply - In this article, Noel introduces us to a 80C31-controlled power supply, which is a circuit that enables you to monitor and alter voltage and current levels.
		SDCC - Small Device C Compiler - SDCC is a Freeware, retargettable, optimizing ANSI - C compiler that targets the Intel 8051, Maxim 80DS390 and the Zilog Z80 based MCUs.
	www.epanorama.net /links/microprocessor.html (11600 words)

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