The Intel MCS-51 ( commonly referred to as 8051 ) is a Harvard architecture, single chip microcontroller ( µC ) series which was developed by Intel in 1980 for use in embedded systems .< ref > John Wharton: An Introduction to the Intel MCS-51 < sup > TM </ sup > Single-Chip Microcomputer Family, Application Note AP-69, May 1980, Intel Corporation .</ ref >< ref > John Wharton: Using the Intel MCS-51 < sup > TM </ sup > Boolean Processing Capabilities, Application Note AP-70, May 1980, Intel Corporation .</ ref > Intel's original versions were popular in the 1980s and early 1990s.

The 8031 was a cut down version of the original Intel 8051 that did not contain any internal program memory ( ROM ).

The 8052 was an enhanced version of the original 8051 that featured 256 bytes of internal RAM instead of 128 bytes, 8 KB of ROM instead of 4 KB, and a third 16-bit timer.

Design improvements have increased 8051 performance while retaining compatibility with the original MCS 51 instruction set.

The original Intel 8051 ran at 12 clock cycles per machine cycle, and most instructions executed in one or two machine cycles.

Using a core from the original, the Lemba priests constructed a new one.

The original core of the book, the first-person memoir, may have been combined with the core of the Book of Ezra around 400 BC.

BRP was developed from a core set of attributes similar to the original Dungeons & Dragons ( D & D ).

Additionally the system included a new set of core with an 800 ns cycle time, faster than the original ’ s 1200 ns version.

Students are required to complete coursework in a number of core areas of law, as well as to submit a thesis which is to be " an original work on the approved subject or other contribution to the knowledge showing that he / she has carried out sufficient research therein ".

Together with the books of his patron Ambrosius, Origen's library ( including the original manuscripts of his works ) formed the core of the collection that Pamphilus established.

The vacuum left may have been resettled then by some Frankish nobles with some more or less numerous retainers from their original core area.

The core event for most competitions is the individual 2, 000m ; less common are the mile ( e. g., Evesham ), the 2500m ( e. g., Basingstoke — also the original distance of the CRASH-B Sprints ).

Impressive core modifications include DarkPlaces which adds stencil shadow volumes into the original Quake engine along with a more efficient network protocol.

References in the Talmud, and in the later Geonic literature, indicate that the original core of Sifre was on the Book of Numbers, Exodus and Deuteronomy.

MusicBrainz's core data ( artists, recordings, releases, and so on ) is in the public domain, and additional content including moderation data ( essentially every original content contributed by users and its elaborations ) is placed under the Creative Commons CC-BY-NC-SA-2. 0 license.

However they were not core founding members of the group and within a few months Nirvana had reverted to its original two-person lineup.

The concept of nature as a whole, the physical universe, is one of several expansions of the original notion ; it began with certain core applications of the word φύσις by pre-Socratic philosophers, and has steadily gained currency ever since.

To alleviate overcrowding in Seoul's downtown area, the city government drew up a master plan in the mid-1980s that envisioned the development of four " core zones " by 2000: the original downtown area, Yongdongpo-Yeouido, Yongdong, and Jamsil.

The Australian and New Zealand usage came about as outer areas were quickly surrounded in fast-growing cities, but retained the appellation suburb ; the term was eventually applied to the original core as well.

Among these groups are comic book fandom, media fandom, the Society for Creative Anachronism, gaming, and furry fandom, sometimes referred to collectively as " fringe fandoms " with the implication that the original fandom centered on science fiction texts ( magazines and later books and fanzines ) is the " true " or " core " fandom.

In 1979 and 1980, former Somoza supporters and ex-members of Somoza's National Guard formed irregular military forces, while the original core of the FSLN began to splinter.

The core rules were available as three booklets in a boxed set ( compare to the original Dungeons & Dragons format ).

Vyasa's original core portion of the epic was the Jaya.

It is derived from the original Smalltalk-80 user interface framework which first introduced and popularized the model-view-controller architectural pattern ( so named after the three core classes of the framework ).

The British North America Acts 1867 – 1975 are the original names of a series of Acts at the core of the constitution of Canada.

In 1998, under the company Demas, NED co-founder Cameron W. Jones ( original and current owner of the Synclavier trademark and software ) collaborated with ex-employee Brian S. George ( owner of Demas, the company that purchased all of NED's hardware and technical assets ) and original co-founding partner Sydney Alonso to develop an emulator designed to run Synclavier software for Apple Computer's Macintosh computer systems and hardware designed to share the core processing with the later generation of Apple G3 computers giving enhanced features and greater speed to the system.

It was probably made in the 19th century to replace an original organic core, which had decomposed.

The esplanade eliminates Grovers Ave., which on original plans ran through the center of the development.

All units ran much faster than the original TRS-80, at 4 MHz, ( with a software selectable throttle to the original speed for compatibility purposes ) and the display supported upper and lower case, hardware snow suppression ( video ram bus arbitration logic ), and an improved character font set.

* The character of John Isidore, and his " pet hospital ", is taken from Dick's original novel Do Androids Dream of Electric Sheep ?, although that book contained no suggestion that the shop ran a sideline in modifying replicants.

In the Beano's home city of Dundee, a special exhibition was held at the University of Dundee featuring original artwork and other memorabilia loaned from D. C. Thomson-it ran until 20 September 2008.

The original Nova machines ran at approximately 200 kHz, but its SuperNova was designed to run at up to 3 MHz when used with special semiconductor main memory.

She and Lang co-wrote all of his movies from 1921 through 1933, including 1922's Dr. Mabuse, der Spieler ( Dr. Mabuse the Gambler ), which ran for over four hours in two parts in the original version and was the first in the Dr. Mabuse trilogy, 1924's five-hour Die Nibelungen, the famous 1927 film Metropolis, and the 1931 classic, M, his first " talking " picture.

The original production, which ultimately lost its entire investment, ran for 522 performances.

In many cases these were levied in the absence of any actual military campaign, which ran counter to the original idea that scutage was an alternative to actual military service.

In the original series, which ran on Radio 4 from 1973 – 83, no adaptation was made of the seminal Gaudy Night, perhaps because the leading character in this novel is Harriet and not Peter ; this was corrected in 2005 when a version specially recorded for the BBC Radio Collection was released starring Carmichael and Joanna David.

The original Mary compiler was written in NU ALGOL, ran on the Univac-1100 series and was used to bootstrap a native compiler for ND-100 / SINTRAN-III.

Star Trek: The Animated Series was the only Star Trek series not to feature a cold open (" teaser ") and started directly with the title sequence ( although some overseas versions of the original live action series, such as that run by the BBC in the U. K. in the 1960s and 1970s, ran the teaser after the credits ).

Meyer's original cut ran two hours and twenty minutes, which he presented to the network.

It is of epic length: the original edition ran to 876 double-columned pages divided into 220 chapters.

Part of the reason for splitting Zork into three different games was that, unlike the PDP systems the original ran on, micros did not have enough memory and disk storage to handle the entirety of the original game.

Originally broadcast on NBC as a Saturday morning cartoon, the series ran first-run original episodes for three seasons, from 1981 to 1983, then aired repeats for an additional two years ( from 1984 to 1986 ).

In the original Xerox concept, applications protocols such as remote printing, filing, etc., ran above a remote procedure call protocol named Courier.

Despite Asser's comment that the dyke ran " from sea to sea ", it is now thought that the original structure only covered about two-thirds of the length of the border: in the north it ends near Llanfynydd, less than five miles ( 8 km ) from the coast, while in the south it stops at Rushock Hill, near Kington in Herefordshire, less than fifty miles ( 80 km ) from the Bristol Channel.

The original Looney Tunes theatrical series ran from 1930 to 1969 ( the last short being Bugged By A Bee, by Robert McKimson ).

Another spin-off titled Duck Dodgers, which ran from 2003 to 2005, is a half-hour action-comedy-sci-fi series based on Chuck Jones ' original short, and expands upon the universe Duck Dodgers explores, as well as Marvin's own civilization.

In October 2003 a successful stage show called Round the Horne ... Revisited opened in London, compiled by Series Four co-writer Brian Cooke from original scripts, and ran until April 2005 – also siring three nationwide tours and a BBC television film.

Luke Skywalker appears in the Marvel-published Star Wars comics adaptations of the original trilogy as well as an ongoing series that ran from 1977 – 86.

The original blocks allowed for large garden plots, and many were supplied with irrigation water from ditches that ran approximately where modern curbs and gutters would be laid.

It was on the original Territorial Road in Michigan of the 19th century, which started in Detroit and ran to Lake Michigan.