ATE88045T1 - Crc-rechenanordnung. - Google Patents

Crc-rechenanordnung.

Info

Publication number
ATE88045T1
ATE88045T1 AT86309176T AT86309176T ATE88045T1 AT E88045 T1 ATE88045 T1 AT E88045T1 AT 86309176 T AT86309176 T AT 86309176T AT 86309176 T AT86309176 T AT 86309176T AT E88045 T1 ATE88045 T1 AT E88045T1
Authority
AT
Austria
Prior art keywords
crc
bits
data
group
input
Prior art date
Application number
AT86309176T
Other languages
English (en)
Inventor
Sunil P Joshi
Venkatraman Iyer
Original Assignee
Advanced Micro Devices Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of ATE88045T1 publication Critical patent/ATE88045T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
    • H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
    • H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
    • H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
    • H03M13/091—Parallel or block-wise CRC computation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computing Systems (AREA)
  • Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Theoretical Computer Science (AREA)
  • Error Detection And Correction (AREA)
  • Detection And Correction Of Errors (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
  • Stacking Of Articles And Auxiliary Devices (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Measurement Of Radiation (AREA)
AT86309176T 1985-12-02 1986-11-25 Crc-rechenanordnung. ATE88045T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/803,351 US4720830A (en) 1985-12-02 1985-12-02 CRC calculation apparatus having reduced output bus size
EP86309176A EP0226353B1 (de) 1985-12-02 1986-11-25 CRC-Rechenanordnung

Publications (1)

Publication Number Publication Date
ATE88045T1 true ATE88045T1 (de) 1993-04-15

Family

ID=25186314

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86309176T ATE88045T1 (de) 1985-12-02 1986-11-25 Crc-rechenanordnung.

Country Status (5)

Country Link
US (1) US4720830A (de)
EP (1) EP0226353B1 (de)
JP (1) JPH0831800B2 (de)
AT (1) ATE88045T1 (de)
DE (1) DE3688238T2 (de)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0254140B1 (de) * 1986-07-21 1991-04-17 Siemens Aktiengesellschaft Verfahren zum Bilden von Datenblocksicherungsinformationen für serielle Datenbitfolgen mittels zyklischer Binärcodes
US4996690A (en) * 1988-08-26 1991-02-26 Stac Electronics Write operation with gating capability
JPH03505035A (ja) * 1989-02-16 1991-10-31 グラマン　エアロスペース　コーポレーション 超高速エラー検出ネットワーク
EP0431416A3 (en) * 1989-12-04 1992-04-29 National Semiconductor Corporation Apparatus and method for accessing a cyclic redundancy error check code generated in parallel
EP0436194A3 (en) * 1990-01-02 1992-12-16 National Semiconductor Corporation Media access controller
US5103451A (en) * 1990-01-29 1992-04-07 Motorola, Inc. Parallel cyclic redundancy check circuit
US5131012A (en) * 1990-09-18 1992-07-14 At&T Bell Laboratories Synchronization for cylic redundancy check based, broadband communications network
JP2998366B2 (ja) * 1991-12-03 2000-01-11 富士通株式会社 Ｃｒｃチェック方法
US5251215A (en) * 1992-01-13 1993-10-05 At&T Bell Laboratories Modifying check codes in data packet transmission
US5390196A (en) * 1992-11-12 1995-02-14 Bull Hn Information Systems Inc. Byte-wise determination of a checksum from a CRC-32 polynomial
EP0614294A1 (de) * 1993-03-03 1994-09-07 International Business Machines Corporation Verfahren zur Erzeugung eines Prüfmusters für Rahmen
NL9302266A (nl) * 1993-12-27 1995-07-17 Nederland Ptt Inrichting voor het vaststellen van grenzen in een bitstroom, en converteermiddelen voor toepassing in de inrichting.
US5854800A (en) * 1995-06-07 1998-12-29 Micron Technlogy, Inc. Method and apparatus for a high speed cyclical redundancy check system
EP0840462B1 (de) * 1996-10-29 2004-12-15 International Business Machines Corporation Verfahren und Vorrichtung für zweistufige CRC-32-Berechnung
US6681203B1 (en) * 1999-02-26 2004-01-20 Lucent Technologies Inc. Coupled error code protection for multi-mode vocoders
EP1148650A1 (de) * 2000-04-14 2001-10-24 Matsushita Electric Industrial Co., Ltd. CRC Einheit und Verfahren
US6732317B1 (en) 2000-10-23 2004-05-04 Sun Microsystems, Inc. Apparatus and method for applying multiple CRC generators to CRC calculation
US6684363B1 (en) * 2000-10-25 2004-01-27 Sun Microsystems, Inc. Method for detecting errors on parallel links
US7676621B2 (en) 2003-09-12 2010-03-09 Hewlett-Packard Development Company, L.P. Communications bus transceiver
US8176015B1 (en) * 2004-06-14 2012-05-08 Symantec Operating Corporation Method and apparatus for reducing redundant storing of blocks of data on a server
US20060253768A1 (en) * 2005-05-03 2006-11-09 Intel Corporation Techniques to speculatively determine network protocol unit integrity
KR100731985B1 (ko) * 2005-12-29 2007-06-25 전자부품연구원 파이프라인 구조 병렬 순환 중복 검사 장치 및 방법
GB0702571D0 (en) * 2007-02-09 2007-03-21 Texas Instruments Ltd Data transfer circuit
GB0702573D0 (en) * 2007-02-09 2007-03-21 Texas Instruments Ltd Data transfer circuit
CN113300716B (zh) * 2020-07-14 2025-02-21 阿里巴巴集团控股有限公司 循环冗余校验码的生成方法、设备以及计算机可读介质

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678469A (en) * 1970-12-01 1972-07-18 Ibm Universal cyclic division circuit
JPS5437460A (en) * 1977-07-28 1979-03-19 Chino Works Ltd Integral ad converter
JPS5425764A (en) * 1977-07-28 1979-02-26 Daifuku Machinery Works Device for simultaneous measurement of volume and weight
US4171765A (en) * 1977-08-29 1979-10-23 Data General Corporation Error detection system
US4216540A (en) * 1978-11-09 1980-08-05 Control Data Corporation Programmable polynomial generator
US4360891A (en) * 1980-04-14 1982-11-23 Sperry Corporation Address and data interface unit
NL8200207A (nl) * 1982-01-21 1983-08-16 Philips Nv Werkwijze met foutkorrektie voor het overdragen van blokken databits, een inrichting voor het uitvoeren van een dergelijke werkwijze, een dekodeur voor gebruik bij een dergelijke werkwijze, en een inrichting bevattende een dergelijke dekodeur.

Also Published As

Publication number Publication date
EP0226353A2 (de) 1987-06-24
JPS62132432A (ja) 1987-06-15
DE3688238T2 (de) 1993-10-07
EP0226353B1 (de) 1993-04-07
DE3688238D1 (de) 1993-05-13
JPH0831800B2 (ja) 1996-03-27
EP0226353A3 (en) 1990-03-14
US4720830A (en) 1988-01-19

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee