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Encyclopedia > Intel 80186
An Intel 80186 Microprocessor
An Intel 80186 Microprocessor
The 80186 architecture.
The 80186 architecture.

The 80186 is a microprocessor that was developed by Intel circa 1982. The 80186 was an improvement on the Intel 8086 and Intel 8088. As with the 8086, it had a 16-bit external bus and was also available as the Intel 80188, with an 8-bit external data bus. The initial clock rate of the 80186 and 80188 was 6 MHz. They were generally used as embedded processors (roughly comparable to microcontrollers). They were not used in many personal computers, but there were some notable exceptions: the Mindset, the Compis (a Swedish school computer), the RM Nimbus (a British school computer), the HP 200lx, and the Tandy 2000 desktop (a somewhat PC-compatible workstation featuring particularly sharp graphics for its day). Acorn (another British computer manufacturer) also created a plugin Second Processor that contained the 80186 chip along with assorted support chips and 512k of RAM - hence the Master 512 system. http://www. ... http://www. ... Image File history File links Download high resolution version (1404x993, 42 KB) The 80186 architecture. ... Image File history File links Download high resolution version (1404x993, 42 KB) The 80186 architecture. ... Microprocessors, including an Intel 80486DX2 and an Intel 80386 A microprocessor (abbreviated as µP or uP) is a computer electronic component made from miniaturized transistors on a single semiconductor integrated circuit (IC) (aka microchip or just chip). ... Intel Corporation (NASDAQ: INTC) (HKSE: 4335) (founded 1968) is a U.S.-based multinational corporation that is best known for designing and manufacturing microprocessors and specialized integrated circuits. ... 1982 (MCMLXXXII) is a common year starting on Friday of the Gregorian calendar. ... An Intel 8086 Microprocessor The 8086 is a 16-bit microprocessor chip designed by Intel in 1978, which gave rise to the x86 architecture. ... An Intel 8088 Microprocessor The Intel 8088 is an Intel microprocessor based on the 8086, with 16-bit registers and an 8-bit external data bus. ... In computer science, 16-bit is an adjective used to describe integers that are at most two bytes wide, or to describe CPU architectures based on registers, address buses, or data buses of that size. ... The Intel 80188 is a version of the Intel 80186 microprocessor with an 8 bit external data bus, instead of 16 bit. ... 8-bit refers to the number of bits used in the data bus of a computer. ... In computer architecture, a bus is a subsystem that transfers data or power between computer components inside a computer or between computers. ... A megahertz (MHz) is one million (106) hertz, a measure of frequency. ... This page is a candidate for speedy deletion, because: it is patent nonsense. ... A microcontroller is a computer-on-a-chip used to control electronic devices. ... The Mindset was sold around 1984 as a high-end graphics workstation which was somewhat PC compatible. Based on Intels 80186, it had proprietary chips that enhanced and sped up the graphics. ... Compis (Swedish name), Scandis (Norwegian name) was a computer system designed and sold to schools in the 1980s. ... Research Machines (RM) is the leading supplier of software, services and systems to UK education. ... The Tandy 2000 was a computer which used the Intel 80186 microprocessor. ...


One major function of the 80186/80188 series was to reduce the number of chips required by including features such as a DMA controller, interrupt controller, timers, and chip select logic. Direct memory access (DMA) allows certain hardware subsystems within a computer to access system memory for reading and/or writing independently of the CPU. Many hardware systems use DMA including disk drive controllers, graphics cards, network cards, and sound cards. ...


New instructions were introduced as follows:

 ENTER Make stack frame for procedure parameters LEAVE High-level procedure exit PUSHA Push all general registers POPA Pop all general registers BOUND Check array index against bounds IMUL Signed (integer) multiply INS Input from port to string OUTS Output string to port 

External links

  • Intel 80186/80188 images and descriptions at cpu-collection.de


List of Intel microprocessors | List of Intel CPU slots, sockets

4004 | 4040 | 8008 | 8080 | 8085 | 8086 | 8088 | iAPX 432 | 80186 | 80188 | 80286 | 80386 | 80486 | i860 | i960 | Pentium | Pentium Pro | Pentium II | Celeron | Pentium III | Pentium 4 | Pentium M | Pentium D | Pentium Extreme Edition | Xeon | Itanium | Itanium 2 (italics indicate non-x86 processors) Intel logo, claiming fair use This is a copyrighted and/or trademarked logo. ... This list of Intel microprocessors attempts to present all of Intels processors (µPs) from the pioneering 4-bit 4004 (1971) to the present high-end offerings, the 64-bit Itanium 2 (2002) and Pentium 4F with EM64T (2004). ... Here is a list of sockets and slots used by Intel central processing units: 80486: 486 Socket Socket 1 Socket 2 Socket 3 Socket 6 Pentium: Socket 4 Socket 5 Socket 7 Pentium Pro: Socket 8 Pentium II: Slot 1 Pentium III: Slot 1 Socket 370 Pentium 4: Socket 423... The Intel 4004, a 4-bit CPU, was the worlds first single-chip microprocessor, as well as the first commercial one. ... Intel D4040 Microprocessor The Intel 4040 was the successor to the Intel 4004. ... Intel 8008 The Intel 8008 was an early microprocessor designed and manufactured by Intel, and introduced in April, 1972. ... Intel C8080A processor. ... The Intel 8085 was an 8-bit microprocessor made by Intel in the mid-1970s. ... An Intel 8086 Microprocessor The 8086 is a 16-bit microprocessor chip designed by Intel in 1978, which gave rise to the x86 architecture. ... An Intel 8088 Microprocessor The Intel 8088 is an Intel microprocessor based on the 8086, with 16-bit registers and an 8-bit external data bus. ... The Intel iAPX 432 was Intels first 32-bit microprocessor design, introduced in 1981 as a set of three integrated circuits. ... The Intel 80188 is a version of the Intel 80186 microprocessor with an 8 bit external data bus, instead of 16 bit. ... An Intel 80286 Microprocessor The Intel 80286 is an x86-family 16-bit microprocessor that was introduced by Intel on February 1, 1982. ... An Intel 80386 Microprocessor The Intel 80386 is a microprocessor which was used as the central processing unit (CPU) of many personal computers from 1986 until 1994 and later. ... An Intel i486 Microprocessor The Intel i486 (also called 486 or 80486) is a range of Intel CISC microprocessors which is part of the Intel x86 family of processors. ... The Intel i860 (also 80860, and code named N10) was a RISC microprocessor from Intel, first released in 1989. ... Intels i960 (or 80960) was a RISC-based microprocessor design that became quite popular during the early 1990s as an embedded microcontroller, for some time likely the best-selling CPU in that field, pushing the AMD 29000 from that spot. ... Pentium logo, with MMX enhancement The Pentium is a fifth-generation x86 architecture microprocessor by Intel which first shipped on March 22, 1993. ... The Pentium Pro is a sixth-generation x86 architecture microprocessor by Intel originally intended to replace the original Pentium in a full range of applications, but later reduced to a more narrow role as a server and high-end desktop chip. ... Pentium II – front view The Pentium II is an x86 architecture microprocessor by Intel, introduced on May 7, 1997. ... Image:Celeron-633. ... Pentium III logo The Pentium III is an x86 (more precisely, an i686) architecture microprocessor by Intel, introduced on February 26, 1999. ... Pentium 4 (with hyper-threading) brand logo The Pentium 4 is a seventh-generation x86 architecture microprocessor produced by Intel and is their first all-new CPU design, called the NetBurst architecture, since the Pentium Pro of 1995. ... Introduced in March 2003, the Pentium M is an x86 architecture microprocessor designed and manufactured by Intel. ... Pentium D brand logo Pentium D is a series of microprocessors introduced by Intel at the Spring 2005 Intel Developer Forum. ... Pentium Extreme Edition brand logo // Smithfield Pentium Extreme Edition is the brand name given to a series of Intel microprocessors introduced during the 2nd Quarter 2005 Intel Developers Forum, not to be confused with the Pentium 4 Extreme Edition (an earlier, single-core processor occupying the same niche). ... Xeon logo The Xeon is Intels current generation of server-class microprocessors for PCs intended for multiple-processor machines. ... Itanium brand logo In computing, the Itanium is an IA-64 microprocessor developed jointly by Hewlett-Packard and Intel. ... Itanium 2 brand logo The Itanium 2 is the successor of the first Itanium processor and is an IA-64 architecture microprocessor. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ...


List of Intel microcontrollers

MCS-48 (8048 family) | MCS-51 (8051 family) | 8061 | MCS-96 (8096 family) | (80186) | (80188) | 80376 | 80386EX | i960 (80960)
(italics indicate non-x86-architecture controllers) Intel logo, claiming fair use This is a copyrighted and/or trademarked logo. ... A microcontroller is a computer-on-a-chip used to control electronic devices. ... The Intel 8048 microcontroller, Intels first µC, was used in the Magnavox Odyssey² video game console and (in its 8042 variant) in the original IBM PC keyboard. ... The Intel 8051 is a microcontroller (µC) developed by Intel in 1980 for use in embedded products and still (2005) one of the most popular microcontrollers. ... The Intel 8061 microcontroller is most notable for its use in the Ford EEC-IV automotive engine control unit. ... The Intel 80188 is a version of the Intel 80186 microprocessor with an 8 bit external data bus, instead of 16 bit. ... The Intel 80376, introduced January 16, 1989, was a variant of the Intel 80386 intended for embedded systems. ... The Intel 80386EX (386EX) is a variant of the Intel 386 microprocessor designed for embedded systems. ... Intels i960 (or 80960) was a RISC-based microprocessor design that became quite popular during the early 1990s as an embedded microcontroller, for some time likely the best-selling CPU in that field, pushing the AMD 29000 from that spot. ... x86 or 80x86 is the generic name of a microprocessor architecture first developed and manufactured by Intel. ...

This article was originally based on material from the Free On-line Dictionary of Computing, which is licensed under the GFDL.

 
 

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