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Topic: Microprocessor

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In the News (Thu 25 Apr 19)

  In-Stat - Microprocessor Forum 2007
If you were unable to attend Microprocessor Forum 2007, you still have an opportunity to benefit from In-Stat’s presentation materials.
At Microprocessor Forum, we felt that it has become important to remove all marketing content and instead provide detailed technical presentations of new ideas and interesting solutions, as educational examples that can be shared among engineers.
Following the positive feedback received from the audience, Microprocessor Forum 2007 will continue to offer valuable information by ensuring that each and every presentation shows detail, defines technical background and design considerations, and provides examples of design problems encountered and how these were solved.
www.instat.com /mpf/07   (448 words)

 Description datasheet search, MICROPROCESSOR datasheet, MICROPROCESSOR datasheets, MICROPROCESSOR data sheets ::: ...
150mA, SOT23, Low-Dropout Linear Regulators with Internal Microprocessor Reset Circuit
15MHz, BiMOS Microprocessor Operational Amplifiers with MOSFET Input/CMOS Output
category.alldatasheet.com /index.jsp?sSearchword=MICROPROCESSOR   (149 words)

  Howstuffworks "How Microprocessors Work"
The microprocessor is the heart of any normal computer, whether it is a desktop machine, a server or a laptop.
The microprocessor you are using might be a Pentium, a K6, a PowerPC, a Sparc or any of the many other brands and types of microprocessors, but they all do approximately the same thing in approximately the same way.
A microprocessor -- also known as a CPU or central processing unit -- is a complete computation engine that is fabricated on a single chip.
computer.howstuffworks.com /microprocessor.htm   (370 words)

  Microprocessor - MSN Encarta
Modern microprocessors incorporate transistors (which act as electronic amplifiers, oscillators, or, most commonly, switches), in addition to other components such as resistors, diodes, capacitors, and wires, all packed into an area about the size of a postage stamp.
Modern microprocessors operate with bus widths of 64 bits (binary digits, or units of information represented as 1s and 0s), meaning that 64 bits of data can be transferred at the same time.
Because the microprocessor alone cannot accommodate the large amount of memory required to store program instructions and data, such as the text in a word-processing program, transistors can be used as memory elements in combination with the microprocessor.
encarta.msn.com /encyclopedia_761559091/Microprocessor.html   (768 words)

  Microprocessor - Wikipedia, the free encyclopedia
Microprocessors made possible the advent of the microcomputer.
A seminal microprocessor in the world of spaceflight was RCA's RCA 1802 (aka CDP1802, RCA COSMAC) (introduced in 1976) which was used in NASA's Voyager and Viking spaceprobes of the 1970s, and onboard the Galileo probe to Jupiter (launched 1989, arrived 1995).
Other early multi-chip 16-bit microprocessors include one used by Digital Equipment Corporation (DEC) in the LSI-11 OEM board set and the packaged PDP 11/03 minicomputer, and the Fairchild Semiconductor MicroFlame 9440, both of which were introduced in the 1975 to 1976 timeframe.
en.wikipedia.org /wiki/Microprocessor   (3099 words)

A microprocessor is built onto a single piece of silicon, called a chip, that is commonly no longer than 2.0 cm (0.8 in) along one side and no more than 0.1 cm (0.04 in) thick.
A microcontroller is an IC similar to a microprocessor that is used primarily in specific embedded applications.
The advent of the microprocessor was made possible by the progressive miniaturization of the IC and by advances in
www.history.com /encyclopedia.do?articleId=216404   (906 words)

 S/390 microprocessor design
At one level, all microprocessor designers face essentially the same challenges of balancing performance, schedule, and cost while conforming to the physical rules of the silicon technology and to the logical requirements of the instruction set architecture (ISA) for which the processor is being designed.
An alternative design typically used in S/390 microprocessors is to resolve conditional branches later in the pipeline, in the same stage (i.e., with the same pipeline latency) as fixed-point instruction execution, using a special branch unit in some designs and the general or fixed-point execution logic in others.
These considerations have led to an S/390 microprocessor design [7­9] in which the units requiring complex dataflow are duplicated for error detection, with all operations being performed twice in parallel and all resulting updates to the processor state being checked.
www.research.ibm.com /journal/rd/446/webb.html   (4897 words)

 Microprocessor | World of Computer Science
The manufacture of microprocessors begins with creation of a nearly pure (99.999999 percent pure) silicon nugget that serves as a nucleus for the growth of a cylinder of silicon called an ingot.
The millions of tiny transistors on these microprocessors are created using layers of conductive and insulating materials through a photolithography process that uses light and light-sensitive materials to yield layers of etched and printed lines of insulating and conducting material.
Microprocessor process technology of the future must be able to find a way to overcome the limitations submicroscopic wires impose on electron speed, clock frequencies, heat dissipation, and power consumption.
www.bookrags.com /research/microprocessor-wcs   (792 words)

 Microprocessor Example
The term microprocessor typically refers to the central processing unit (CPU) of a microcomputer, containing the arithmetic logic unit (ALU) and the control units.
Typical microcomputers employ a microprocessor unit (MPU), a clock, and interfaces to memory and external input/output devices.
The accumulator is the principal register of the arithmetic logic unit of a microprocessor.
hyperphysics.phy-astr.gsu.edu /hbase/electronic/micropro.html   (444 words)

 Microprocessor at AllExperts
A seminal microprocessor in the world of spaceflight was RCA's RCA 1802 (aka CDP1802, RCA COSMAC) (introduced in 1976) which was used in NASA's Voyager and Viking spaceprobes of the 1970s, and onboard the Galileo probe to Jupiter (launched 1989, arrived 1995).
Other early multi-chip 16-bit microprocessors include one used by Digital Equipment Corporation (DEC) in the LSI-11 OEM board set and the packaged PDP 11/03 minicomputer, and the Fairchild Semiconductor MicroFlame 9440, both of which were introduced in the 1975 to 1976 timeframe.
These microprocessors were used in the AT&T 3B5 and 3B15 minicomputers; in the 3B2, the world's first desktop supermicrocomputer; in the "Companion", the world's first 32-bit laptop computer; and in "Alexander", the world's first book-sized supermicrocomputer, featuring ROM-pack memory cartridges similar to today's gaming consoles.
en.allexperts.com /e/m/mi/microprocessor.htm   (3153 words)

 Microprocessor: Facts and details from Encyclopedia Topic   (Site not responding. Last check: )
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....
The motorola 68020 is a microprocessor from motorola....
The motorola 68040 is a microprocessor from motorola....
www.absoluteastronomy.com /encyclopedia/m/mi/microprocessor.htm   (8137 words)

 Microprocessor | World of Invention
Called a microprocessor, this universal CPU chip could be combined with a separate chip for a program written for a specific device.
Intel put this first microprocessor, the 4004, on sale late in 1971, calling it a " computer on a chip." About the size of a pencil point, the 4004 was more powerful than the original room-sized electronic computer of 1948, ENIAC.
Microprocessors became pervasive elements of everyday life, controlling the operations of such familiar items as cars, microwave ovens, washing machines and clothes dryers, thermostats, wristwatches, cash registers, telephones, and gas pumps.
www.bookrags.com /research/microprocessor-woi   (366 words)

Some microprocessors come in a package with a heat sink and a fan included as a part of the package.
There is a microprocessor part number stated at the vendors website that can be traced to the manufacturers website which specifies the mounting package you want.
With the exception of processors such as the Athlon which have a larger heat sink, requiring an extra plastic clip mechanism to help stabilize the heatsink, it is easier to install one of these processors than it is to install the computer's RAM memory or a hard drive.
www.comptechdoc.org /hardware/pc/begin/hwmicroprocessor.html   (561 words)

 microprocessor. The Columbia Encyclopedia, Sixth Edition. 2001-05
Microprocessors are classified by the semiconductor technology of their design (TTL, transistor-transistor logic; CMOS, complementary-metal-oxide semiconductor; or ECL, emitter-coupled logic), by the width of the data format (4-bit, 8-bit, 16-bit, 32-bit, or 64-bit) they process; and by their instruction set (CISC, complex-instruction-set computer, or RISC, reduced-instruction-set computer; see RISC processor).
Developed during the 1970s, the microprocessor became most visible as the central processor of the personal computer.
The microprocessor has made possible the inexpensive hand-held electronic calculator, the digital wristwatch, and the electronic game.
www.bartleby.com /65/mi/micropro.html   (349 words)

 [No title]   (Site not responding. Last check: )
When the computer is turned on, the microprocessor is designed to get the first instruction from the basic input/output system (BIOS) that comes with the computer as part of its memory.
Microprocessor Forum is the most important technical conference in the microprocessor industry.
Compare this to current microprocessors that contain many millions of transistors and whose clock speed is measured in GHz.
www.lycos.com /info/microprocessor.html   (582 words)

 INTEL 8085A - The Microprocessor
The microprocessor is a device that performs a variety of functions when programmed which means that it is a programmable controller.
The microprocessor is at the nucleus of the system because it controls the memory and input/output (I/O) blocks.
The microprocessor spends much of its time transferring data between itself and the memory and I/O. Approximately one-half of a microprocessor's time is spent fetching instructions from the memory.
members.tripod.com /Raguraman/microprocessor.htm   (556 words)

 microprocessor - Webopedia.com
Microprocessors also control the logic of almost all digital devices, from clock radios to fuel-injection systems for automobiles.
For example, a 32-bit microprocessor that runs at 50MHz is more powerful than a 16-bit microprocessor that runs at 25MHz.
In addition to bandwidth and clock speed, microprocessors are classified as being either RISC (reduced instruction set computer) or CISC (complex instruction set computer).
systems.webopedia.com /TERM/M/microprocessor.html   (320 words)

 Lenovo Support & downloads - Microprocessor removal and installation - ThinkCentre A51p (type 8420, 8421, 8422, 8423, ...   (Site not responding. Last check: )
To allow the thermal interface between the microprocessor and the heat sink time to cool down, turn off the computer at least one hour before removing the microprocessor.
When you receive a new microprocessor, you will also receive a new heat sink and vacuum pen for handling the microprocessor.
Position the microprocessor so that the notches on the microprocessor are aligned with the tabs in the microprocessor socket.
www-3.ibm.com /pc/support/site.wss/document.do?lndocid=MIGR-55809   (605 words)

 Highbeam Encyclopedia - Search Results for microprocessor   (Site not responding. Last check: )
Made possible by the development of the microprocessor, electronic games are marketed in various formats, such as hand-held one-player models, cartridges or compact discs...
The microprocessor's first two decades: the way it was.
Choosing and using microprocessor memory interfaces: designers evaluating memory-interface options need to optimize the trade-offs among capacity, bandwidth, efficiency and system constraints.
www.encyclopedia.com /SearchResults.aspx?Q=microprocessor   (900 words)

 Using the MAXQ3210 as a Microprocessor Supervisor - Maxim/Dallas
The microprocessor signals the MAXQ3210 that it is ready to be powered down by using a connection from one of its port pins to a port pin on the MAXQ3210.
Extending the watchdog reset from the MAXQ3210 to the microprocessor requires only two connections: one from a port pin on the microcontroller to the microprocessor's external RESET pin, and one from a microprocessor port pin back to the MAXQ3210.
This is because the lower voltage microprocessor cannot drive its port pins to a high enough level to register as a logic 1 on the MAXQ3210.
www.maxim-ic.com /appnotes.cfm?an_pk=3932   (1947 words)

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