Notable CPU architectures

Notable CPU architectures

The following is a list of notable CPU architectures

Embedded CPU architectures

* ARM's ARM Architecture
* Atmel's AVR architecture
* Microchip's PIC architecture
* Intel's 8051 architecture
* Zilog's Z80 architecture
* Western Design Center's 65816 architecture
* Hitachi's SuperH architecture
* Axis Communications' ETRAX CRIS architecture
* Power Architecture (formerly PowerPC)

Microcomputer/PC CPU architectures

* Intel's x86 and the related IA-16 and IA-32 architectures
** x86-64 with AMD's AMD64 architecture and Intel's Intel 64 version of it
* Motorola's 6800, 6809, and 68000 architectures
* MOS Technology's 6502 architecture
* Zilog's Z80 architecture
* Power Architecture (formerly IBM POWER and PowerPC)
* The Advanced RISC Machines' (originally Acorn) ARM and StrongARM/XScale architectures

Workstation/Server CPU architectures

* DEC's Alpha architecture
* HP's PA-RISC architecture
* Power Architecture (formerly IBM POWER and PowerPC)
* Intel IA-64 architecture
* MIPS Computer Systems Inc.'s MIPS architecture
* Sun Microsystems's SPARC architecture

Mini/Midrange/Mainframe CPU architectures

* Burroughs large systems architecture (1961-present) currently supported in the Unisys ClearPath/MCP series.
* IBM System/360, AS/400 and System z architectures (1964-present)
* DEC's PDP-11 architecture, and its successor, the VAX architecture
* UNIVAC 1100/2200 series architecture (currently supported by Unisys ClearPath IX computers)
* MIL-STD-1750A - the U.S.'s military standard computer
* AP-101 - the space shuttle's computer

Mixed Core Architectures

* IBM's Cell architecture (a general purpose architecture that uses a POWER4 based core and 8 RISC based co-processors)
* CAS's Godson
* Parallax Propeller, a 160 MIPS multicore microcontroller with eight 32 bit RISC cores.

Historically important CPUs

* EDSAC - the first practical stored-program computer
* Apollo Guidance Computer, used in the moon flights
* MIL-STD-1750 An early CPU, standardized for military and aerospace embedded systems.
* MIPS R4000 - the first microprocessor to use a 64-bit datapath
* Intel 4004 - the first microprocessor


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