CN1266840C - 分别具备时钟生成电路和时钟延迟电路的信息处理装置 - Google Patents
分别具备时钟生成电路和时钟延迟电路的信息处理装置 Download PDFInfo
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- CN1266840C CN1266840C CNB2003101164000A CN200310116400A CN1266840C CN 1266840 C CN1266840 C CN 1266840C CN B2003101164000 A CNB2003101164000 A CN B2003101164000A CN 200310116400 A CN200310116400 A CN 200310116400A CN 1266840 C CN1266840 C CN 1266840C
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- circuit
- count value
- clock signal
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- 230000010365 information processing Effects 0.000 title abstract description 4
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- 230000001360 synchronised effect Effects 0.000 claims description 7
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Images
Classifications
-
- 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
- G06F1/08—Clock generators with changeable or programmable clock frequency
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/07—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop using several loops, e.g. for redundant clock signal generation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/081—Details of the phase-locked loop provided with an additional controlled phase shifter
- H03L7/0812—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used
- H03L7/0814—Details of the phase-locked loop provided with an additional controlled phase shifter and where no voltage or current controlled oscillator is used the phase shifting device being digitally controlled
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/099—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop
- H03L7/0995—Details of the phase-locked loop concerning mainly the controlled oscillator of the loop the oscillator comprising a ring oscillator
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Manipulation Of Pulses (AREA)
- Pulse Circuits (AREA)
Abstract
Description
Claims (15)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP334116/02 | 2002-11-18 | ||
JP2002334116A JP4071604B2 (ja) | 2002-11-18 | 2002-11-18 | クロック生成回路を備えた情報処理装置およびクロック遅延回路を備えた情報処理装置 |
JP334116/2002 | 2002-11-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1501583A CN1501583A (zh) | 2004-06-02 |
CN1266840C true CN1266840C (zh) | 2006-07-26 |
Family
ID=32290247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2003101164000A Expired - Lifetime CN1266840C (zh) | 2002-11-18 | 2003-11-18 | 分别具备时钟生成电路和时钟延迟电路的信息处理装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6937082B2 (zh) |
JP (1) | JP4071604B2 (zh) |
KR (1) | KR100632289B1 (zh) |
CN (1) | CN1266840C (zh) |
DE (1) | DE10351510A1 (zh) |
TW (1) | TW200409466A (zh) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7321247B2 (en) * | 2004-08-26 | 2008-01-22 | International Business Machines Corporation | Timer facility for high frequency processors with minimum dependency of processor frequency modes |
US7457974B2 (en) * | 2005-09-08 | 2008-11-25 | International Business Machines Corporation | Dynamically changing PCI clocks |
DE112006003446T5 (de) * | 2005-12-20 | 2008-10-02 | Advantest Corp. | Oszillationsschaltung, Prüfvorrichtung und elektronische Vorrichtung |
US7602874B2 (en) * | 2006-01-26 | 2009-10-13 | International Business Machines Corporation | Providing accurate time-based counters for scaling operating frequencies of microprocessors |
KR100906998B1 (ko) * | 2006-12-07 | 2009-07-08 | 주식회사 하이닉스반도체 | Dll 회로의 동작 주파수 제어 장치 및 방법 |
JP5092794B2 (ja) * | 2008-02-26 | 2012-12-05 | 日本電気株式会社 | フレームパルス信号ラッチ回路および位相調整方法 |
CN102088279B (zh) * | 2010-11-30 | 2013-03-27 | 清华大学 | 数字延时触发器 |
TWI444823B (zh) * | 2011-03-31 | 2014-07-11 | Phison Electronics Corp | 參考頻率設定方法、記憶體控制器及快閃記憶體儲存裝置 |
JP2014090344A (ja) | 2012-10-31 | 2014-05-15 | Nec Corp | クロック信号初期化回路およびその方法 |
TWI525415B (zh) * | 2013-02-25 | 2016-03-11 | 群聯電子股份有限公司 | 參考頻率設定方法、記憶體控制器及記憶體儲存裝置 |
KR102002466B1 (ko) * | 2013-05-20 | 2019-07-23 | 에스케이하이닉스 주식회사 | 디지털 카운터 |
KR102143109B1 (ko) * | 2014-03-04 | 2020-08-10 | 삼성전자주식회사 | 지연 고정 루프, 및 그것의 동작 방법 |
CN110007712B (zh) * | 2019-03-28 | 2020-12-01 | 深圳忆联信息系统有限公司 | 用于降低数字时钟频率误差的方法、装置、计算机设备及存储介质 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU577329B2 (en) | 1983-11-07 | 1988-09-22 | Motorola, Inc. | Synthesized clock microcomputer with power saving |
JP2771464B2 (ja) * | 1994-09-29 | 1998-07-02 | 日本電気アイシーマイコンシステム株式会社 | ディジタルpll回路 |
US5687202A (en) * | 1995-04-24 | 1997-11-11 | Cyrix Corporation | Programmable phase shift clock generator |
US5771264A (en) * | 1996-08-29 | 1998-06-23 | Altera Corporation | Digital delay lock loop for clock signal frequency multiplication |
US6157226A (en) | 1997-05-23 | 2000-12-05 | Mitsubishi Denki Kabushiki Kaisha | Clock generator |
JPH11306757A (ja) * | 1998-04-27 | 1999-11-05 | Mitsubishi Electric Corp | 同期型半導体記憶装置 |
US6049238A (en) * | 1998-05-12 | 2000-04-11 | Mitsubishi Denki Kabushiki Kaisha | Clock generator and clock generating method capable of varying clock frequency without increasing the number of delay elements |
JP3177963B2 (ja) | 1998-05-29 | 2001-06-18 | 日本電気株式会社 | 情報処理装置 |
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 |
DE19910885C2 (de) * | 1999-03-11 | 2001-02-08 | Siemens Ag | Schaltungsanordnung zum störungsfreien Initialisieren von Delay-Locked-Loop-Schaltungen mit Fast-Lock |
JP2000306399A (ja) * | 1999-04-22 | 2000-11-02 | Mitsubishi Electric Corp | 半導体装置 |
TW451558B (en) * | 1999-06-29 | 2001-08-21 | Ind Tech Res Inst | Digitally controlled oscillator circuit of digital phase lock loop |
JP2001339294A (ja) * | 2000-05-30 | 2001-12-07 | Mitsubishi Electric Corp | Dll回路 |
US6330197B1 (en) * | 2000-07-31 | 2001-12-11 | Credence Systems Corporation | System for linearizing a programmable delay circuit |
KR100385232B1 (ko) * | 2000-08-07 | 2003-05-27 | 삼성전자주식회사 | 서로 다른 주파수를 가지는 클럭 신호들을 동기화시키는회로 |
TW474464U (en) * | 2000-10-31 | 2002-01-21 | Hon Hai Prec Ind Co Ltd | Optoelectronic connector assembly |
US6690525B2 (en) * | 2001-05-25 | 2004-02-10 | Infineon Technologies Ag | High-speed programmable synchronous counter for use in a phase locked loop |
US6504408B1 (en) * | 2001-07-09 | 2003-01-07 | Broadcom Corporation | Method and apparatus to ensure DLL locking at minimum delay |
US6633190B1 (en) * | 2002-04-26 | 2003-10-14 | Intel Corporation | Multi-phase clock generation and synchronization |
-
2002
- 2002-11-18 JP JP2002334116A patent/JP4071604B2/ja not_active Expired - Fee Related
-
2003
- 2003-08-19 TW TW092122721A patent/TW200409466A/zh unknown
- 2003-08-25 US US10/646,823 patent/US6937082B2/en not_active Expired - Lifetime
- 2003-11-05 DE DE10351510A patent/DE10351510A1/de not_active Ceased
- 2003-11-18 CN CNB2003101164000A patent/CN1266840C/zh not_active Expired - Lifetime
- 2003-11-18 KR KR1020030081328A patent/KR100632289B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
KR20040044152A (ko) | 2004-05-27 |
JP4071604B2 (ja) | 2008-04-02 |
KR100632289B1 (ko) | 2006-10-11 |
US20040196086A1 (en) | 2004-10-07 |
JP2004172763A (ja) | 2004-06-17 |
US6937082B2 (en) | 2005-08-30 |
TW200409466A (en) | 2004-06-01 |
DE10351510A1 (de) | 2004-06-03 |
CN1501583A (zh) | 2004-06-02 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: RENESAS ELECTRONICS CORPORATION Free format text: FORMER OWNER: RENESAS TECHNOLOGY CORP. Effective date: 20101019 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TOKYO TO, JAPAN TO: KAWASAKI CITY, KANAGAWA PREFECTURE, JAPAN |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101019 Address after: Kawasaki, Kanagawa, Japan Patentee after: Renesas Electronics Corp. Address before: Tokyo, Japan Patentee before: Renesas Technology Corp. |
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CP02 | Change in the address of a patent holder | ||
CP02 | Change in the address of a patent holder |
Address after: Tokyo, Japan Patentee after: Renesas Electronics Corp. Address before: Kawasaki, Kanagawa, Japan Patentee before: Renesas Electronics Corp. |
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CX01 | Expiry of patent term |
Granted publication date: 20060726 |
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CX01 | Expiry of patent term |