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- 8250_UART abstract "The 8250 UART (universal asynchronous receiver/transmitter) is an integrated circuit designed for implementing the interface for serial communications. The part was originally manufactured by the National Semiconductor Corporation. It was commonly used in PCs and related equipment such as printers or modems. The 8250 included an on-chip programmable bit rate generator, allowing use for both common and special-purpose bit rates which could be accurately derived from an arbitrary crystal oscillator reference frequency. The chip designations carry suffix letters for later versions of the same chip series. For example, the original 8250 was soon followed by the 8250A and 8250B versions that corrected some bugs. In particular, the original 8250 could repeat transmission of a character if the CTS line was asserted asynchronously during the first transmission attempt.Due to the high demand, other manufacturers soon began offering compatible chips. Western Digital offered WD8250 chip under Async Communications Interface Adapter (ACIA) and Async Communications Element (ACE) names.The 16450(A) UART, commonly used in IBM PC/AT-series computers, improved on the 8250 by permitting higher serial line speeds. With the introduction of multitasking operating systems on PC hardware, such as OS/2, Windows NT or various flavours of UNIX, the short time available to serve character-by-character interrupt requests became a problem, therefore the IBM PS/2 serial ports introduced the 16550(A) UARTs that had a built-in 16 byte FIFO or buffer memory to collect incoming characters. Later models added larger memories, supported higher speeds, combined multiple ports on one chip and finally became part of the now-common Super I/O circuits combining most input/output logic on a PC motherboard.".
- 8250_UART thumbnail National_Semiconductor_8250A.JPG?width=300.
- 8250_UART wikiPageExternalLink index.html.
- 8250_UART wikiPageID "3246479".
- 8250_UART wikiPageLength "3109".
- 8250_UART wikiPageOutDegree "32".
- 8250_UART wikiPageRevisionID "701268876".
- 8250_UART wikiPageWikiLink 16550_UART.
- 8250_UART wikiPageWikiLink Bit_rate.
- 8250_UART wikiPageWikiLink O_Chips.
- 8250_UART wikiPageWikiLink Computer_multitasking.
- 8250_UART wikiPageWikiLink Crystal_oscillator.
- 8250_UART wikiPageWikiLink FIFO_(computing_and_electronics).
- 8250_UART wikiPageWikiLink IBM_Personal_Computer.
- 8250_UART wikiPageWikiLink AT.
- 8250_UART wikiPageWikiLink 2.
- 8250_UART wikiPageWikiLink Integrated_circuit.
- 8250_UART wikiPageWikiLink Intel_8251.
- 8250_UART wikiPageWikiLink Interrupt.
- 8250_UART wikiPageWikiLink Modem.
- 8250_UART wikiPageWikiLink Motherboard.
- 8250_UART wikiPageWikiLink National_Semiconductor.
- 8250_UART wikiPageWikiLink 2.
- 8250_UART wikiPageWikiLink Personal_computer.
- 8250_UART wikiPageWikiLink Printer_(computing).
- 8250_UART wikiPageWikiLink RS-232.
- 8250_UART wikiPageWikiLink Serial_communication.
- 8250_UART wikiPageWikiLink Software_bug.
- 8250_UART wikiPageWikiLink O.
- 8250_UART wikiPageWikiLink transmitter.
- 8250_UART wikiPageWikiLink Unix.
- 8250_UART wikiPageWikiLink Western_Digital.
- 8250_UART wikiPageWikiLink Windows_NT.
- 8250_UART wikiPageWikiLink File:8250_and_16450_UART.svg.
- 8250_UART wikiPageWikiLink File:National_Semiconductor_8250A.JPG.
- 8250_UART wikiPageWikiLink File:UART_chip_NS_8250B.jpg.
- 8250_UART wikiPageWikiLinkText "16C550".
- 8250_UART wikiPageWikiLinkText "8250 UART".
- 8250_UART wikiPageWikiLinkText "8250".
- 8250_UART wikiPageUsesTemplate Template:Redirect.
- 8250_UART wikiPageUsesTemplate Template:Wikibooks.
- 8250_UART subject O_Chips.
- 8250_UART hypernym Circuit.
- 8250_UART type BaseballLeague.
- 8250_UART type Circuit.
- 8250_UART comment "The 8250 UART (universal asynchronous receiver/transmitter) is an integrated circuit designed for implementing the interface for serial communications. The part was originally manufactured by the National Semiconductor Corporation. It was commonly used in PCs and related equipment such as printers or modems.".
- 8250_UART label "8250 UART".
- 8250_UART sameAs Q2603285.
- 8250_UART sameAs UART_8250.
- 8250_UART sameAs 8250_UART.
- 8250_UART sameAs NSC_8250.
- 8250_UART sameAs UART_8250.
- 8250_UART sameAs 8250_UART.
- 8250_UART sameAs m.0910kl.
- 8250_UART sameAs 8250_UART.
- 8250_UART sameAs Q2603285.
- 8250_UART wasDerivedFrom 8250_UART?oldid=701268876.
- 8250_UART depiction National_Semiconductor_8250A.JPG.
- 8250_UART isPrimaryTopicOf 8250_UART.