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Wikipedia
https://en.wikipedia.org/wiki/Zilog_Z80000
Zilog Z80000 - Wikipedia
The Zilog Z80000 is an unreleased 32-bit processor designed by Zilog and completed in 1986. The Z80000 is a 32-bit expansion of the 16-bit Zilog Z8000 with multiprocessing capability, a six-stage instruction pipeline, and a 256-byte cache. It can address 4 gigabytes of RAM, but cannot execute code written f…
Description
Like the Z8000 it is based on, the Z80000 has sixteen general-purpose registers, but expanded from the Z8000's 16-bit to 32-bit. Like the Z8000, the Z80000 allows its registers to be combined, in this case using two 32-bit r… See more
Watch video on YouTube
26:15
Zilog - The Next Frontier - Z800 and Z80000, 1985
YouTubeIDBH5.7K viewsNov 30, 2019
External links
• Z80000 at Great Microprocessors of the Past and Present
• Zilog Z80,000™ CPU Product Specification, October 1988 at Datasheet Archive
• Zilog Z8000 Family Architecture - A High-Performance 16-Bit Architectur… See more
Wikipedia text under CC-BY-SA license

Unreleased 32-bit processor
The Zilog Z80000 is an unreleased 32-bit processor designed by Zilog and completed in 1986. The Z80000 is a 32-bit expansion of the 16-bit Zilog Z8000 with multiprocessing capability, a six-stage instruction pipeline, and a 256-byte cache.
Zilog Z80000 - Wikipedia
en.wikipedia.org/wiki/Zilog_Z80000
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kranenborg.org
https://www.kranenborg.org
The Z8000 / Z80,000 / Z16C00 CPU homepage - Kranenborg
A 32 bit follow-up called the Z80,000 has been designed in 1984 with very advanced features for that time (on-chip cache and on-chip paged memory management unit), as well as the Z8070 …
- Z8000 Software Sub-Page
  Publications Page on The Z8000 Series
Wikipedia
https://en.wikipedia.org › wiki
Zilog Z8000 - Wikipedia
The Zilog Z8000 is a 16-bit microprocessor architecture designed by Zilog and introduced in early 1979. Two chips were initially released, differing only in the width of the address bus; the …
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Archive
https://archive.org › details
zilog :: z80000 :: Z80000 CPU Preliminary Technical Manual Sep84
Dec 31, 2014 · zilog :: z80000 :: Z80000 CPU Preliminary Technical Manual Sep84. From the bitsavers.org collection, a scanned-in computer-related document.
テクノエッジ TechnoEdge
https://www.techno-edge.net › …Translate this result
8ビットCPUの名機Z80の後継はなぜ失敗した？ Zilog …
Nov 6, 2023 · 最初に設計したZ80は、Intel 8080とかなりの部分で命令互換ながら若干高速で、電源なども便利（+5Vの単一電源。 8080は+5V/-5V/+12Vが必要だった）などの理由により、8080と同じくらい売れた（というか、生涯を …
acearchive.org
https://acearchive.org
Zilog Z80000 - acearchive.org
Feb 25, 2023 · Zilog Z80000 is a 32-bit processor released in 1986 as an expansion of Zilog Z8000. It has a 256-byte cache, multiprocessing, and 4 GB RAM addressing system. Z80000 …
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What is Zilog Z80000 processor?
The Z80000 is Zilog 's 32-bit processor, first released in 1986. It is essentially a 32-bit expansion of its 16-bit predecessor, the Zilog Z8000. It includes multiprocessing capability, a six-stage instruction pipeline, and a 256-byte cache. Its memory addressing system can access 4 gigabytes of RAM.
Zilog Z80000 - Wikipedia
en.wikipedia.org
What is a Z8000 CPU?
The Z8000 CPU series has been Zilog's contribution in the "Processor War" (i.e the competition between various 16-bit microprocessor designs during 1978-1985, before the Intel 80*86 family came out as the winner), and was introduced in 1979 between the 8086 CPU (Intel) and the 68000 CPU (Motorola).
The Z8000 / Z80,000 / Z16C00 CPU homepage - Kranenborg
kranenborg.org
What are interrupts on a Z80000 CPU?
On the Z80000 CPU, interrupts are part of a category known as exceptions. This category includes resets, bus errors, interrupts, and traps. The processor is designed to interoperate with other integrated circuits designed for use with the Z8000, such as the Zilog Z8070 floating-point coprocessor.
Zilog Z80000 - Wikipedia
en.wikipedia.org
When did the Intel Z80000 come out?
The Z80000 was a 32-bit follow-on design that made it to a test sampling phase in 1986 without ever being released commercially. In the early 1970s, Intel 's management saw the microprocessor not so much as a product on its own, but as a way to create demand for their other products like static RAM and ROM.
Zilog Z8000 - Wikipedia
en.wikipedia.org
How much memory does a Z8000 have?
The Z8000 has a segmented memory map, with a 7-bit "segment number" and a 16-bit offset. Both numbers are represented by pins on the Z8001, meaning that it can directly address a 23-bit memory, or 8 MB. : 6.19 Instructions can only directly access a 16-bit offset.
Zilog Z8000 - Wikipedia
en.wikipedia.org
What is the difference between Intel Z8002 and Z8000?
The Z8002 also used a 40-pin package, but had a 16-bit address bus that could only access 64 KB of RAM, whereas the Intel processors had a 20-bit bus that could access 1 MB of RAM. Internally, the 23-bit addresses of the Z8000 were also more complex to process than Intel's simpler system using 16-bit base addresses and separate segment registers.
Zilog Z8000 - Wikipedia
en.wikipedia.org
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Wikipedia
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Zilog - Wikipedia
Zilog's iconic 8-bit processor, the Z80. Pictured is one of the first Z80s ever made. Zilog went public in 1991, but was acquired in 1998 by Texas Pacific Group for $527 million. [ 10 ]
All About Circuits
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The End of an Era: Zilog Discontinues the Z80 …
Apr 30, 2024 · Zilog’s attempts at 16- and 32-bit follow-on PC microprocessors in the 1980s—the Z800, Z8000, and Z80000—failed to succeed because of the entrenchment of Intel’s x86 architecture. Still, the Z80 soldiered on.
The CPU Shack Museum
https://www.cpushack.com
Zilog: The First Decade: Z80, Z8 and the Z8000 - CPU …
Oct 15, 2010 · In 1974 Federico Faggin left Intel after working on the 8-bit 8080 processor. He formed a company called ZiLOG and developed a much improved version of the 8080 called the Z80. It was released in 1976 after only 18 …
Reddit
https://www.reddit.com › zxspectrum › comments › iuuajb
Z80000 micro processor : r/zxspectrum - Reddit
The Z80000 was a 32-bit processor along the lines of the Intel 80386, and was not compatible with the Z80 instruction set.
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