DE69126351D1 - Einchip-Mikrorechner mit Taktsignalumschaltfunktion - Google Patents

Einchip-Mikrorechner mit Taktsignalumschaltfunktion

Info

Publication number: DE69126351D1
Authority: DE; Germany
Prior art keywords: clock signal; chip microcomputer; switching function; signal switching; function
Prior art date: 1990-03-16
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.): Expired - Fee Related

Application number

DE69126351T

Other languages

English (en)

Other versions

DE69126351T2 (de

Inventor

Shinji Niijima

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

NEC Electronics Corp

Original Assignee

NEC Corp

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.)

1990-03-16

Filing date

1991-03-18

Publication date

1997-07-10

1991-03-18 Application filed by NEC Corp filed Critical NEC Corp

1997-07-10 Application granted granted Critical

1997-07-10 Publication of DE69126351D1 publication Critical patent/DE69126351D1/de

1998-01-29 Publication of DE69126351T2 publication Critical patent/DE69126351T2/de

2011-03-19 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- 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

DE69126351T 1990-03-16 1991-03-18 Einchip-Mikrorechner mit Taktsignalumschaltfunktion Expired - Fee Related DE69126351T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP2066566A JP2676966B2 (ja)	1990-03-16	1990-03-16	シングルチップマイクロコンピュータ

Publications (2)

Publication Number	Publication Date
DE69126351D1 true DE69126351D1 (de)	1997-07-10
DE69126351T2 DE69126351T2 (de)	1998-01-29

Family

ID=13319630

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE69126351T Expired - Fee Related DE69126351T2 (de)	1990-03-16	1991-03-18	Einchip-Mikrorechner mit Taktsignalumschaltfunktion

Country Status (4)

Country	Link
US (1)	US5155840A (de)
EP (1)	EP0446958B1 (de)
JP (1)	JP2676966B2 (de)
DE (1)	DE69126351T2 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5287247A (en) *	1990-09-21	1994-02-15	Lsi Logic Corporation	Computer system module assembly
US5390350A (en) *	1991-04-22	1995-02-14	Western Digital Corporation	Integrated circuit chip core logic system controller with power saving features for a microcomputer system
US5394527A (en) *	1991-05-17	1995-02-28	Zenith Data Systems Corporation	Method and apparatus facilitating use of a hard disk drive in a computer system having suspend/resume capability
US5652890A (en) *	1991-05-17	1997-07-29	Vantus Technologies, Inc.	Interrupt for a protected mode microprocessor which facilitates transparent entry to and exit from suspend mode
US5303171A (en) *	1992-04-03	1994-04-12	Zenith Data Systems Corporation	System suspend on lid close and system resume on lid open
US5551033A (en)	1991-05-17	1996-08-27	Zenith Data Systems Corporation	Apparatus for maintaining one interrupt mask register in conformity with another in a manner invisible to an executing program
JPH05204634A (ja) *	1991-08-29	1993-08-13	Internatl Business Mach Corp <Ibm>	マイクロプロセツサ回路
US5379408A (en) *	1991-11-08	1995-01-03	Texas Instruments Incorporated	Color palette timing and control with circuitry for producing an additional clock cycle during a clock disabled time period
JPH05259848A (ja) *	1992-03-11	1993-10-08	Nec Corp	クロック発生装置
US5227672A (en) *	1992-03-31	1993-07-13	Astec International, Ltd.	Digital clock selection and changeover apparatus
US6193422B1 (en)	1992-04-03	2001-02-27	Nec Corporation	Implementation of idle mode in a suspend/resume microprocessor system
EP0602422A1 (de) *	1992-12-15	1994-06-22	International Business Machines Corporation	Dynamische Frequenzversetzung mit einem durch eins teilenden Taktgenerator
DE69432697T2 (de) *	1993-12-01	2004-03-25	Advanced Micro Devices, Inc., Sunnyvale	Stromverwaltung für Rechnersystem und Verfahren hierfür
US5737566A (en) *	1993-12-20	1998-04-07	Motorola, Inc.	Data processing system having a memory with both a high speed operating mode and a low power operating mode and method therefor
JPH0816276A (ja) *	1994-06-30	1996-01-19	Mitsubishi Denki Semiconductor Software Kk	マイクロコンピュータ
US5479648A (en) *	1994-08-30	1995-12-26	Stratus Computer, Inc.	Method and apparatus for switching clock signals in a fault-tolerant computer system
US5926053A (en) *	1995-12-15	1999-07-20	National Semiconductor Corporation	Selectable clock generation mode
US5774703A (en) *	1996-01-05	1998-06-30	Motorola, Inc.	Data processing system having a register controllable speed
US5623234A (en) *	1996-03-04	1997-04-22	Motorola	Clock system
US5761705A (en) *	1996-04-04	1998-06-02	Symbios, Inc.	Methods and structure for maintaining cache consistency in a RAID controller having redundant caches
US5848281A (en) *	1996-07-23	1998-12-08	Smalley; Kenneth George	Method and apparatus for powder management in a multifunction controller with an embedded microprocessor
US6085325A (en) *	1996-12-16	2000-07-04	Intel Corporation	Method and apparatus for supporting power conservation operation modes
US5844435A (en) *	1997-03-11	1998-12-01	Lucent Technologies Inc	Low power, high accuracy clock circuit and method for integrated circuits
JP2001142559A (ja) *	1999-11-17	2001-05-25	Mitsubishi Electric Corp	マイクロコンピュータ
JP2001282164A (ja) *	2000-03-31	2001-10-12	Sanyo Electric Co Ltd	表示装置用駆動装置
KR100420116B1 (ko) *	2000-08-31	2004-03-02	삼성전자주식회사	저전력 소모 씨디엠에이 모뎀 칩 설계를 위한 프로세서클럭 발생 회로 및 클럭 발생 방법
US6718474B1 (en)	2000-09-21	2004-04-06	Stratus Technologies Bermuda Ltd.	Methods and apparatus for clock management based on environmental conditions
TWI263393B (en) *	2001-10-15	2006-10-01	Winbond Electronics Corp	Switching method of modulating frequency source and the circuit structure
JP4426888B2 (ja) *	2004-03-30	2010-03-03	パイオニア株式会社	制御装置、電子機器及び信号処理装置
US20060222125A1 (en) *	2005-03-31	2006-10-05	Edwards John W Jr	Systems and methods for maintaining synchronicity during signal transmission
US20060222126A1 (en) *	2005-03-31	2006-10-05	Stratus Technologies Bermuda Ltd.	Systems and methods for maintaining synchronicity during signal transmission
US20060248417A1 (en) *	2005-04-28	2006-11-02	International Business Machines Corporation	Clock control circuit for test that facilitates an at speed structural test
DE102006004346A1 (de) *	2006-01-30	2007-10-18	Deutsche Thomson-Brandt Gmbh	Datenbusschnittstelle mit abschaltbarem Takt
US9823990B2 (en)	2012-09-05	2017-11-21	Nvidia Corporation	System and process for accounting for aging effects in a computing device
US20150194951A1 (en) *	2014-01-06	2015-07-09	Nvidia Corporation	Toggling a clocked component using a slow clock to address bias temperature instability aging
KR102165265B1 (ko) *	2014-09-02	2020-10-13	삼성전자 주식회사	하드웨어 전력 관리 유닛을 이용하여 클락 신호를 조절할 수 있는 애플리케이션 프로세서와 이를 포함하는 장치들

Family Cites Families (11)

* 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
US4545030A (en) *	1982-09-28	1985-10-01	The John Hopkins University	Synchronous clock stopper for microprocessor
US4694393A (en) *	1983-06-14	1987-09-15	Sharp Kabushiki Kaisha	Peripheral unit for a microprocessor system
US4727491A (en) *	1984-06-27	1988-02-23	Compaq Computer Corporation	Personal computer having normal and high speed execution modes
JPS61123916A (ja) *	1984-11-20	1986-06-11	Nec Corp	マイクロコンピユ−タ
JPS6222128A (ja) *	1985-07-22	1987-01-30	Sharp Corp	デ−タ処理装置
US4821229A (en) *	1985-12-12	1989-04-11	Zenith Electronics Corporation	Dual operating speed switchover arrangement for CPU
US4707142A (en) *	1986-12-05	1987-11-17	Westinghouse Electric Corp.	Master clock system for a parallel variable speed constant frequency power system
JP2614877B2 (ja) *	1987-11-20	1997-05-28	株式会社日立製作所	半導体集積回路装置
JPH0213096A (ja) *	1988-06-30	1990-01-17	Toshiba Corp	電子交換機
US5059925A (en) *	1990-09-28	1991-10-22	Stratacom, Inc.	Method and apparatus for transparently switching clock sources

1990
- 1990-03-16 JP JP2066566A patent/JP2676966B2/ja not_active Expired - Lifetime
1991
- 1991-03-14 US US07/669,192 patent/US5155840A/en not_active Expired - Lifetime
- 1991-03-18 EP EP91104181A patent/EP0446958B1/de not_active Expired - Lifetime
- 1991-03-18 DE DE69126351T patent/DE69126351T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0446958A3 (en)	1992-07-15
JP2676966B2 (ja)	1997-11-17
EP0446958A2 (de)	1991-09-18
JPH03266108A (ja)	1991-11-27
DE69126351T2 (de)	1998-01-29
EP0446958B1 (de)	1997-06-04
US5155840A (en)	1992-10-13

Legal Events

Date	Code	Title	Description
1998-07-02	8364	No opposition during term of opposition
2003-07-24	8327	Change in the person/name/address of the patent owner	Owner name: NEC ELECTRONICS CORP., KAWASAKI, KANAGAWA, JP
2011-01-20	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
DE69126351T2 (de)	1998-01-29	Einchip-Mikrorechner mit Taktsignalumschaltfunktion
DE69435148D1 (de)	2008-11-20	Einchip-Mikrorechner
DE69126883D1 (de)	1997-08-21	Empfänger mit batteriesparanordnung
DE69317758D1 (de)	1998-05-07	Mikroprozessorschaltung mit zwei Taktsignalen
NO176260C (no)	1995-03-01	Svitsje-element
DE69130152T2 (de)	1999-05-06	Mikrorechner mit eingebautem d/a-wandler
DK444789D0 (da)	1989-09-08	Tricykliske forbindelser
DE69130342D1 (de)	1998-11-19	Mikroprozessor mit Funktion von Verzweigungsvorhersage
DE69116966T2 (de)	1996-09-12	Signalübergangsverbesserungsanordnung
DE69233345D1 (de)	2004-05-27	Ein-Chip-Mikrorechner mit zwei Zeitgeberfunktionsarten
DE69102766T2 (de)	1994-12-15	Interferometrische signalanalyse mit modulationsumschaltung.
DE69430055D1 (de)	2002-04-11	Zusammengesetztes taktsignal
DE19581398T1 (de)	1997-01-02	Tampon mit Abdeckung
DE69027805T2 (de)	1997-03-06	Mikrorechner mit eingebautem PROM
KR900000532A (ko)	1990-01-30	세탁기
KR890016460A (ko)	1989-11-29	클릭부착 키이보오드 스위치
KR900008050U (ko)	1990-05-01	자석이 내장된 타올
BR6802716U (pt)	1990-08-07	Claraboia com abertura
BR6802056U (pt)	1990-05-08	Conexao de transicao
BR7001317U (pt)	1992-01-21	Sinalizador luminoso
KR890020670U (ko)	1989-11-01	세척부가 분리 구성된 때밀이
SE8800615D0 (sv)	1988-02-23	Reflex
ATA138188A (de)	1989-06-15	Wandelelment
KR900002000U (ko)	1990-01-19	백 보오더 조정기능의 비디오 리버스회로
BR8800964A (pt)	1989-09-26	Circuito transmissor de ressonancia