BR9908831A - Circuito para detectar a temporização de uma pluralidade de bits de dados dentro de um fluxo de dados assìncrono, processo para processar um fluxo de dados assìncrono, e, sistema para detectar a velocidade de um fluxo de dados assìncrono - Google Patents
Circuito para detectar a temporização de uma pluralidade de bits de dados dentro de um fluxo de dados assìncrono, processo para processar um fluxo de dados assìncrono, e, sistema para detectar a velocidade de um fluxo de dados assìncronoInfo
- Publication number
- BR9908831A BR9908831A BR9908831-2A BR9908831A BR9908831A BR 9908831 A BR9908831 A BR 9908831A BR 9908831 A BR9908831 A BR 9908831A BR 9908831 A BR9908831 A BR 9908831A
- Authority
- BR
- Brazil
- Prior art keywords
- data stream
- asynchronous data
- detecting
- data
- asynchronous
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0262—Arrangements for detecting the data rate of an incoming signal
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Communication Control (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Information Transfer Systems (AREA)
- Time-Division Multiplex Systems (AREA)
- Detection And Prevention Of Errors In Transmission (AREA)
Abstract
"CIRCUITO PARA DETECTAR A TEMPORIZAçãO DE UMA PLURALIDADE DE BITS DE DADOS DENTRO DE UM FLUXO DE DADOS ASSìNCRONO, PROCESSO PARA PROCESSAR UM FLUXO DE DADOS ASSìNCRONO, E, SISTEMA PARA DETECTAR A VELOCIDADE DE UM FLUXO DE DADOS ASSìNCRONO". A velocidade de comunicação serial assíncrona é detectada determinando uma duração de um bit de dados dentro de um fluxo de dados assíncronos. A duração do bit de dados é usada para gerar uma freq³ência de cronometragem. A freq³ência de cronometragem é usada para referir em tempo dados do fluxo de dados assíncronos em um registro. Os dados cronometrados são processados de acordo com uma indicação de erro.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/039,876 US6157689A (en) | 1998-03-16 | 1998-03-16 | Automatic speed detection for asynchronous serial communications |
PCT/US1999/002706 WO1999048244A2 (en) | 1998-03-16 | 1999-02-09 | Automatic speed detection for asynchronous serial communications |
Publications (1)
Publication Number | Publication Date |
---|---|
BR9908831A true BR9908831A (pt) | 2000-11-21 |
Family
ID=21907807
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR9908831-2A BR9908831A (pt) | 1998-03-16 | 1999-02-09 | Circuito para detectar a temporização de uma pluralidade de bits de dados dentro de um fluxo de dados assìncrono, processo para processar um fluxo de dados assìncrono, e, sistema para detectar a velocidade de um fluxo de dados assìncrono |
Country Status (8)
Country | Link |
---|---|
US (1) | US6157689A (pt) |
EP (1) | EP1070410B1 (pt) |
CN (1) | CN1293852A (pt) |
AU (1) | AU2663999A (pt) |
BR (1) | BR9908831A (pt) |
DE (1) | DE69917624T2 (pt) |
EE (1) | EE200000542A (pt) |
WO (1) | WO1999048244A2 (pt) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6581100B1 (en) * | 1998-09-18 | 2003-06-17 | Skyworks Solutions, Inc. | System and method for communication parameter determination |
JP3565730B2 (ja) * | 1999-01-13 | 2004-09-15 | 株式会社リコー | Atコマンド解析装置 |
US6687232B1 (en) * | 2000-01-14 | 2004-02-03 | Adtran, Inc. | Subscriber loop terminal equipment-resident mechanism for determining bit rate of high-level data link control communication channel |
DE60024404T2 (de) * | 2000-02-02 | 2006-08-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Verfahren und Vorrichtung zur Vorverzerrung eines digitalen Signales |
US6850561B1 (en) * | 2000-03-21 | 2005-02-01 | Advanced Micro Devices, Inc. | Predictable updating of a baud divisor of an asynchronous serial port during data reception |
US7017056B1 (en) | 2000-07-31 | 2006-03-21 | Hewlett-Packard Development Company, L.P. | Method and apparatus for secure remote control of power-on state for computers |
US6944248B2 (en) * | 2001-05-17 | 2005-09-13 | Bluebrook Associates Llc | Data rate calibration for asynchronous serial communications |
CN100442259C (zh) * | 2002-10-18 | 2008-12-10 | Nxp股份有限公司 | 处理输入比特的数据处理设备 |
CN100392605C (zh) * | 2002-12-03 | 2008-06-04 | Adc长途电讯有限公司 | 测量通信链路中的差错率 |
US7333536B2 (en) * | 2003-10-09 | 2008-02-19 | Stmicroelectronics Pvt. Ltd. | System and method for auto baud rate detection in asynchronous serial communication |
GB0414793D0 (en) | 2004-07-01 | 2004-08-04 | Ttp Communications Ltd | Determining characteristics of communications signals |
US7904631B2 (en) * | 2006-11-02 | 2011-03-08 | Honeywell International Inc. | Protocol independent bridge |
CN101645752B (zh) * | 2008-08-08 | 2013-01-09 | 鸿富锦精密工业(深圳)有限公司 | 通信协议自动侦测系统及方法 |
JP5351301B2 (ja) * | 2012-03-19 | 2013-11-27 | ファナック株式会社 | Ioユニットにより時間計測を行う数値制御システム |
CN103001734B (zh) * | 2012-10-17 | 2015-05-06 | 海军工程大学 | 一种基于电平采样的异步串口通信协议自动侦测方法 |
CN104360974A (zh) * | 2014-10-29 | 2015-02-18 | 上海伽利略导航有限公司 | 一种异步串口uart自动波特率调整方法及装置 |
CN105871655B (zh) * | 2016-03-24 | 2019-03-29 | 哈尔滨工业大学 | 一种应用于串行总线分析仪器的波特率估计ip核系统 |
US10153892B2 (en) * | 2016-07-15 | 2018-12-11 | New Jersey Institute Of Technology | Asynchronous wireless sensing |
KR20190091929A (ko) * | 2018-01-30 | 2019-08-07 | 엘에스산전 주식회사 | Uart 통신속도 자동 전환 방법 |
CN110275851B (zh) * | 2019-07-19 | 2020-02-07 | 广州波视信息科技股份有限公司 | 一种数据串并转换装置、延时器及数据处理方法 |
US20220061008A1 (en) * | 2020-08-21 | 2022-02-24 | Advanced Energy Industries, Inc. | Uart transmissions with two start bits for automatic baud detection and reduced clock skew |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3689846A (en) * | 1971-03-30 | 1972-09-05 | Burroughs Corp | Start bit detection circuit |
US4586189A (en) * | 1984-02-16 | 1986-04-29 | Itt Corporation | Asynchronous to synchronous data interface |
JPH0748779B2 (ja) * | 1987-09-01 | 1995-05-24 | 株式会社村田製作所 | モデム装置 |
KR900005313A (ko) * | 1988-09-14 | 1990-04-14 | 존 지.웨브 | 16비트 데이타 버스에 바이트폭 uart 전송을 이행하는 방법 및 장치 |
US5140679A (en) * | 1988-09-14 | 1992-08-18 | National Semiconductor Corporation | Universal asynchronous receiver/transmitter |
US5008902A (en) * | 1989-01-25 | 1991-04-16 | International Business Machines Corp. | Automatic baud rate detection |
US5072407A (en) * | 1990-01-08 | 1991-12-10 | Gandalf Technologies, Inc. | Serial data rate detection method and apparatus |
JPH04167738A (ja) * | 1990-10-31 | 1992-06-15 | Nec Corp | 調歩同期通信速度検出装置 |
JP2641999B2 (ja) * | 1991-05-10 | 1997-08-20 | 日本電気株式会社 | データ・フォーマット検出回路 |
US5222081A (en) * | 1991-06-28 | 1993-06-22 | Universal Data Systems, Inc. | Method of performing an autobaud function using a state flow machine |
US5627858A (en) * | 1992-07-20 | 1997-05-06 | Telefonaktiebolaget L M Ericsson | Multi-channel autobauding circuit |
US5490209A (en) * | 1994-02-09 | 1996-02-06 | Harris Corporation | Autobaud rate detection mechanism |
US5654983A (en) * | 1994-06-10 | 1997-08-05 | Hayes Microcomputer Products, Inc. | Method and apparatus of operating data communications equipment in command mode and autobauding |
US5649122A (en) * | 1994-06-24 | 1997-07-15 | Startech Semiconductor, Inc. | Universal asynchronous receiver/transmitter with programmable xon/xoff characters |
-
1998
- 1998-03-16 US US09/039,876 patent/US6157689A/en not_active Expired - Lifetime
-
1999
- 1999-02-09 WO PCT/US1999/002706 patent/WO1999048244A2/en active IP Right Grant
- 1999-02-09 CN CN99804065.7A patent/CN1293852A/zh active Pending
- 1999-02-09 AU AU26639/99A patent/AU2663999A/en not_active Abandoned
- 1999-02-09 DE DE69917624T patent/DE69917624T2/de not_active Expired - Fee Related
- 1999-02-09 EP EP99906816A patent/EP1070410B1/en not_active Expired - Lifetime
- 1999-02-09 BR BR9908831-2A patent/BR9908831A/pt not_active IP Right Cessation
- 1999-02-09 EE EEP200000542A patent/EE200000542A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
CN1293852A (zh) | 2001-05-02 |
AU2663999A (en) | 1999-10-11 |
EE200000542A (et) | 2002-04-15 |
DE69917624T2 (de) | 2004-09-30 |
EP1070410B1 (en) | 2004-05-26 |
WO1999048244A3 (en) | 1999-11-04 |
DE69917624D1 (de) | 2004-07-01 |
EP1070410A2 (en) | 2001-01-24 |
US6157689A (en) | 2000-12-05 |
WO1999048244A2 (en) | 1999-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B08F | Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette] |
Free format text: REFERENTE A 8A,9A E 10A ANUIDADES. |
|
B08K | Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette] |
Free format text: REFERENTE AO DESPACHO PUBLICADO NA RPI 1990 DE 25/02/2009. |