KR100681287B1 - 시스템 클럭 분배 장치, 시스템 클럭 분배 방법 - Google Patents
시스템 클럭 분배 장치, 시스템 클럭 분배 방법 Download PDFInfo
- Publication number
- KR100681287B1 KR100681287B1 KR1020050038583A KR20050038583A KR100681287B1 KR 100681287 B1 KR100681287 B1 KR 100681287B1 KR 1020050038583 A KR1020050038583 A KR 1020050038583A KR 20050038583 A KR20050038583 A KR 20050038583A KR 100681287 B1 KR100681287 B1 KR 100681287B1
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- KR
- South Korea
- Prior art keywords
- synchronization signal
- clock
- system clock
- clock distribution
- internal clock
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- Legal status (The legal status 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 status listed.)
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- 238000009826 distribution Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 41
- 230000000737 periodic effect Effects 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 10
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 9
- 239000000758 substrate Substances 0.000 description 8
- 238000012546 transfer Methods 0.000 description 6
- 238000003860 storage Methods 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/12—Synchronisation of different clock signals provided by a plurality of clock generators
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/06—Clock generators producing several clock signals
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
- G06F1/10—Distribution of clock signals, e.g. skew
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Multi Processors (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
- Memory System (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
Abstract
Description
Claims (5)
- 동기 신호를 이용하여 데이터의 타이밍을 맞추는 시스템 클럭 분배 장치로서,주기적인 동기 신호를 생성하는 동기 신호 생성부와,상기 동기 신호 생성부에 의해 생성된 동기 신호에 기초하여 상기 동기 신호의 주파수보다 높고 상기 동기 신호의 주파수의 정수배의 주파수를 갖는 내부 클럭을 생성하며, 상기 내부 클럭에 기초하여 동작을 행하는 복수의 처리부를 포함하는 시스템 클럭 분배 장치.
- 제1항에 있어서, 상기 동기 신호 생성부에 의해 생성된 동기 신호를 복수의 상기 처리부에 분배하는 동기 신호 분배부를 더 포함하는 것을 특징으로 하는 시스템 클럭 분배 장치.
- 제1항 또는 제2항에 있어서, 상기 처리부는 CPU, 메모리 액세스 컨트롤러, 크로스 바 및 상기 처리부 사이의 통신 제어를 행하는 제어부 중 적어도 어느 하나인 것을 특징으로 하는 시스템 클럭 분배 장치.
- 제3항에 있어서, 상기 제어부는 상기 동기 신호 분배부로부터 입력된 동기 신호를 상기 처리부에 분배하는 것을 특징으로 하는 시스템 클럭 분배 장치.
- 동기 신호를 이용하여 데이터의 타이밍을 맞추는 시스템 클럭 분배 방법으로서,주기적인 동기 신호를 생성하는 동기 신호 생성 단계와,상기 동기 신호 생성 단계에 의해 생성된 동기 신호에 기초하여 상기 동기 신호의 주파수보다 높고 상기 동기 신호의 주파수의 정수배의 주파수를 갖는 내부 클럭을 생성하고, 상기 내부 클럭에 기초하여 동작을 행하는 처리 단계를 포함하는 시스템 클럭 분배 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005004662A JP2006195602A (ja) | 2005-01-12 | 2005-01-12 | システムクロック分配装置、システムクロック分配方法 |
JPJP-P-2005-00004662 | 2005-01-12 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060082385A KR20060082385A (ko) | 2006-07-18 |
KR100681287B1 true KR100681287B1 (ko) | 2007-02-12 |
Family
ID=35094322
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050038583A Expired - Fee Related KR100681287B1 (ko) | 2005-01-12 | 2005-05-09 | 시스템 클럭 분배 장치, 시스템 클럭 분배 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7486754B2 (ko) |
EP (1) | EP1681610A3 (ko) |
JP (1) | JP2006195602A (ko) |
KR (1) | KR100681287B1 (ko) |
CN (1) | CN1804752A (ko) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7778814B2 (en) * | 2004-03-30 | 2010-08-17 | Siemens Aktiengesellschaft | Method and device for simulating an automation system |
US7512201B2 (en) * | 2005-06-14 | 2009-03-31 | International Business Machines Corporation | Multi-channel synchronization architecture |
CN101627573A (zh) * | 2007-03-15 | 2010-01-13 | 富士通株式会社 | 电子装置、时钟装置以及时钟控制装置 |
US8161314B2 (en) * | 2007-04-12 | 2012-04-17 | International Business Machines Corporation | Method and system for analog frequency clocking in processor cores |
US7945804B2 (en) * | 2007-10-17 | 2011-05-17 | International Business Machines Corporation | Methods and systems for digitally controlled multi-frequency clocking of multi-core processors |
CN105122172B (zh) * | 2012-12-13 | 2017-10-27 | 相干逻辑公司 | 同步数字系统及避免其中的时钟信号错误的方法 |
KR101363798B1 (ko) * | 2013-02-01 | 2014-02-21 | 홍익대학교 산학협력단 | 제로 스큐 기능을 가지는 분수배 주파수 합성기 |
CN111726189B (zh) * | 2020-06-15 | 2022-11-11 | 合肥哈工轩辕智能科技有限公司 | 基于时间戳标记电路的双核系统时钟同步方法及装置 |
CN111726188B (zh) * | 2020-06-15 | 2022-11-04 | 合肥哈工轩辕智能科技有限公司 | Airt-ros实时系统与非实时系统时钟同步方法及装置 |
CN111913522A (zh) * | 2020-08-07 | 2020-11-10 | 杭州长川科技股份有限公司 | 多时钟域的数字测试电路、数字集成电路测试系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200148682Y1 (ko) * | 1996-12-31 | 1999-06-15 | 이종수 | 에스컬레이터의 장력 조절 장치 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63293620A (ja) | 1987-05-27 | 1988-11-30 | Hitachi Ltd | ディジタル情報処理システム |
US5058132A (en) * | 1989-10-26 | 1991-10-15 | National Semiconductor Corporation | Clock distribution system and technique |
JP2719226B2 (ja) * | 1990-10-01 | 1998-02-25 | 株式会社日立製作所 | 情報処理システム |
US5307381A (en) * | 1991-12-27 | 1994-04-26 | Intel Corporation | Skew-free clock signal distribution network in a microprocessor |
US5812832A (en) * | 1993-01-29 | 1998-09-22 | Advanced Micro Devices, Inc. | Digital clock waveform generator and method for generating a clock signal |
JPH07281785A (ja) * | 1994-04-05 | 1995-10-27 | Toshiba Corp | プロセッサシステム |
JPH09233060A (ja) | 1996-02-23 | 1997-09-05 | Toshiba Corp | クロック供給方式 |
US5862373A (en) * | 1996-09-06 | 1999-01-19 | Intel Corporation | Pad cells for a 2/N mode clocking scheme |
JPH10161769A (ja) | 1996-12-02 | 1998-06-19 | Hitachi Ltd | 半導体装置 |
JP2000244309A (ja) * | 1999-02-18 | 2000-09-08 | Mitsubishi Electric Corp | クロック生成回路および半導体装置 |
US6477657B1 (en) * | 1999-04-29 | 2002-11-05 | Intel Corporation | Circuit for I/O clock generation |
US6289067B1 (en) * | 1999-05-28 | 2001-09-11 | Dot Wireless, Inc. | Device and method for generating clock signals from a single reference frequency signal and for synchronizing data signals with a generated clock |
KR100331562B1 (ko) | 1999-11-29 | 2002-04-06 | 윤종용 | 지연 동기 루프 회로 및 내부 클럭 신호 발생 방법 |
KR20010048662A (ko) | 1999-11-29 | 2001-06-15 | 이계안 | 디젤 엔진의 저속 구간 출력 향상용 흡배기 장치 |
JP3764015B2 (ja) * | 1999-12-13 | 2006-04-05 | 富士通株式会社 | メモリアクセス方法及びマルチプロセッサシステム |
US6813721B1 (en) * | 2000-09-20 | 2004-11-02 | Stratus Computer Systems, S.A.R.L. | Methods and apparatus for generating high-frequency clocks deterministically from a low-frequency system reference clock |
US7003062B1 (en) * | 2001-02-14 | 2006-02-21 | Cisco Systems Canada Co. | Method and system for distribution of clock and frame synchronization information |
JP3542973B2 (ja) * | 2001-03-06 | 2004-07-14 | エヌイーシーシステムテクノロジー株式会社 | 高速信号回路 |
-
2005
- 2005-01-12 JP JP2005004662A patent/JP2006195602A/ja active Pending
- 2005-04-28 EP EP05252671A patent/EP1681610A3/en not_active Withdrawn
- 2005-04-28 US US11/116,392 patent/US7486754B2/en not_active Expired - Fee Related
- 2005-05-09 KR KR1020050038583A patent/KR100681287B1/ko not_active Expired - Fee Related
- 2005-05-20 CN CNA2005100721148A patent/CN1804752A/zh active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR200148682Y1 (ko) * | 1996-12-31 | 1999-06-15 | 이종수 | 에스컬레이터의 장력 조절 장치 |
Also Published As
Publication number | Publication date |
---|---|
EP1681610A2 (en) | 2006-07-19 |
EP1681610A3 (en) | 2009-02-04 |
US7486754B2 (en) | 2009-02-03 |
CN1804752A (zh) | 2006-07-19 |
US20060153325A1 (en) | 2006-07-13 |
JP2006195602A (ja) | 2006-07-27 |
KR20060082385A (ko) | 2006-07-18 |
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