ATE555431T1 - Taktschaltungen und verfahren - Google Patents

Taktschaltungen und verfahren

Info

Publication number
ATE555431T1
ATE555431T1 AT09715351T AT09715351T ATE555431T1 AT E555431 T1 ATE555431 T1 AT E555431T1 AT 09715351 T AT09715351 T AT 09715351T AT 09715351 T AT09715351 T AT 09715351T AT E555431 T1 ATE555431 T1 AT E555431T1
Authority
AT
Austria
Prior art keywords
clock
methods
switching
update
sources
Prior art date
Application number
AT09715351T
Other languages
English (en)
Inventor
Antonius Maria Hubertus Vos
Neil Gregie
Original Assignee
Synopsys 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 Synopsys Inc filed Critical Synopsys Inc
Application granted granted Critical
Publication of ATE555431T1 publication Critical patent/ATE555431T1/de

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Electronic Switches (AREA)
  • Test And Diagnosis Of Digital Computers (AREA)
AT09715351T 2008-02-28 2009-02-28 Taktschaltungen und verfahren ATE555431T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3230408P 2008-02-28 2008-02-28
PCT/IB2009/050814 WO2009107108A1 (en) 2008-02-28 2009-02-28 Clock switching circuits and methods

Publications (1)

Publication Number Publication Date
ATE555431T1 true ATE555431T1 (de) 2012-05-15

Family

ID=40673624

Family Applications (1)

Application Number Title Priority Date Filing Date
AT09715351T ATE555431T1 (de) 2008-02-28 2009-02-28 Taktschaltungen und verfahren

Country Status (4)

Country Link
US (1) US8533517B2 (de)
EP (1) EP2247992B1 (de)
AT (1) ATE555431T1 (de)
WO (1) WO2009107108A1 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110018762A1 (en) * 2009-07-24 2011-01-27 John Walley Method and system for calibrating a local gnss clock using non-gnss system clocks in a gnss enabled mobile device
US9515880B1 (en) * 2011-12-28 2016-12-06 Altera Corporation Integrated circuits with clock selection circuitry
US9383805B2 (en) 2013-03-12 2016-07-05 Atmel Corporation Generating clock on demand
US9489007B2 (en) * 2014-04-14 2016-11-08 Macronix International Co., Ltd. Configurable clock interface device
CN105071891A (zh) * 2015-08-28 2015-11-18 Tcl移动通信科技（宁波）有限公司 一种蓝牙时钟控制系统及控制方法
US9891654B2 (en) 2016-02-10 2018-02-13 Nxp Usa, Inc. Secure clock switch circuit
US20240118339A1 (en) * 2022-10-11 2024-04-11 SK Hynix Inc. System, method for circuit validation, and system and method for facilitating circuit validation
US12574449B2 (en) 2022-10-11 2026-03-10 SK Hynix Inc. Operation method for an electronic device and an electronic device capable of performing an advanced line coding
EP4685586A1 (de) 2024-07-26 2026-01-28 Siemens Aktiengesellschaft Verfahren und taktverwaltung zur synchronisierten ausführung einer mehrzahl von echtzeitanwendungen

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322580A (en) 1980-09-02 1982-03-30 Gte Automatic Electric Labs Inc. Clock selection circuit
JPH0778039A (ja) 1993-09-08 1995-03-20 Fujitsu Ltd クロック選択制御方式
GB2294561B (en) * 1994-10-27 1999-03-31 Advanced Risc Mach Ltd Circuit synchronization with multiple clock signals
US5758132A (en) * 1995-03-29 1998-05-26 Telefonaktiebolaget Lm Ericsson Clock control system and method using circuitry operating at lower clock frequency for selecting and synchronizing the switching of higher frequency clock signals
US5604452A (en) * 1995-04-03 1997-02-18 Exar Corporation Clock generator using a state machine to switch between two offset clocks
JPH10124167A (ja) 1996-10-17 1998-05-15 Miyagi Oki Denki Kk システムクロック切り換え装置
US5790609A (en) * 1996-11-04 1998-08-04 Texas Instruments Incorporated Apparatus for cleanly switching between various clock sources in a data processing system
JP3604323B2 (ja) * 2000-05-19 2004-12-22 沖電気工業株式会社 クロック切替回路
DE10122481B4 (de) * 2001-05-09 2012-02-16 Nxp B.V. Schaltung zur wahlweisen Erzeugung eines Ausgangssignals aus einem von mehreren Taktsignalen
US7003683B2 (en) * 2002-01-31 2006-02-21 Stmicroelectronics. Inc. Glitchless clock selection circuit
TWI243980B (en) * 2003-10-09 2005-11-21 Via Tech Inc Switch circuit for switching clock signals
JP2006011704A (ja) 2004-06-24 2006-01-12 Fujitsu Ltd クロック切り替え回路
ITTO20050307A1 (it) * 2005-05-06 2006-11-07 St Microelectronics Srl Circuito di commutazione fra segnali di clock e relativo procedimento
CN100405252C (zh) * 2005-11-11 2008-07-23 鸿富锦精密工业（深圳）有限公司 时钟信号转换电路
JP2008059193A (ja) * 2006-08-30 2008-03-13 Oki Electric Ind Co Ltd クロック切替回路
US20080307240A1 (en) * 2007-06-08 2008-12-11 Texas Instruments Incorporated Power management electronic circuits, systems, and methods and processes of manufacture
US8190944B2 (en) * 2009-12-11 2012-05-29 Ati Technologies Ulc Device configured to switch a clock speed for multiple links running at different clock speeds and method for switching the clock speed

Also Published As

Publication number Publication date
WO2009107108A1 (en) 2009-09-03
US8533517B2 (en) 2013-09-10
EP2247992A1 (de) 2010-11-10
US20110026656A1 (en) 2011-02-03
EP2247992B1 (de) 2012-04-25

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