FI852293L - Tehoa säästävä syntetisoidulla kellolla varustettu mikrotietokone - Google Patents
Tehoa säästävä syntetisoidulla kellolla varustettu mikrotietokoneInfo
- Publication number
- FI852293L FI852293L FI852293A FI852293A FI852293L FI 852293 L FI852293 L FI 852293L FI 852293 A FI852293 A FI 852293A FI 852293 A FI852293 A FI 852293A FI 852293 L FI852293 L FI 852293L
- Authority
- FI
- Finland
- Prior art keywords
- power
- synthesized clock
- saving microcomputer
- microcomputer
- saving
- Prior art date
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
- G06F1/04—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
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/324—Power saving characterised by the action undertaken by lowering 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
- 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
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
-
- 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
- H03L7/10—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range
- H03L7/107—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth
- H03L7/1075—Details of the phase-locked loop for assuring initial synchronisation or for broadening the capture range using a variable transfer function for the loop, e.g. low pass filter having a variable bandwidth by changing characteristics of the loop filter, e.g. changing the gain, changing the bandwidth
-
- 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
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/183—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between fixed numbers or the frequency divider dividing by a fixed number
-
- 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
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
- H03L7/089—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses
- H03L7/0891—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal the phase or frequency detector generating up-down pulses the up-down pulses controlling source and sink current generators, e.g. a charge pump
- H03L7/0895—Details of the current generators
- H03L7/0898—Details of the current generators the source or sink current values being variable
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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)
- Microcomputers (AREA)
- Power Sources (AREA)
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US54995483A | 1983-11-07 | 1983-11-07 | |
| US54995483 | 1983-11-07 | ||
| PCT/US1984/001752 WO1985002275A1 (en) | 1983-11-07 | 1984-10-30 | Synthesized clock microcomputer with power saving |
| US8401752 | 1984-10-30 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI852293A0 FI852293A0 (fi) | 1985-06-07 |
| FI852293L true FI852293L (fi) | 1985-06-07 |
| FI92768B FI92768B (fi) | 1994-09-15 |
| FI92768C FI92768C (fi) | 1994-12-27 |
Family
ID=24195090
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI852293A FI92768C (fi) | 1983-11-07 | 1985-06-07 | Tehoa säästävä syntetisoidulla kellolla varustettu mikrotietokone |
Country Status (13)
| Country | Link |
|---|---|
| EP (1) | EP0162870B1 (fi) |
| JP (1) | JPS60502274A (fi) |
| KR (1) | KR920005326B1 (fi) |
| AU (1) | AU577329B2 (fi) |
| BR (1) | BR8407147A (fi) |
| CA (1) | CA1216952A (fi) |
| DE (1) | DE3486195T2 (fi) |
| DK (1) | DK170080B1 (fi) |
| FI (1) | FI92768C (fi) |
| IL (1) | IL73409A (fi) |
| IT (1) | IT1178205B (fi) |
| MX (1) | MX156871A (fi) |
| WO (1) | WO1985002275A1 (fi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378935A (en) * | 1991-06-18 | 1995-01-03 | Nokia Mobile Phones Ltd. | Clock frequency adjustment of an electrical circuit |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4748644A (en) * | 1986-01-29 | 1988-05-31 | Digital Equipment Corporation | Method and apparatus for a constant frequency clock source in phase with a variable frequency system clock |
| GB2196450B (en) * | 1986-10-20 | 1991-02-13 | Mars Inc | Data-storing tokens |
| DE3742119A1 (de) * | 1987-12-11 | 1989-06-22 | Siemens Ag | Datenverarbeitungssystem |
| EP0355466A3 (en) * | 1988-08-26 | 1990-06-20 | Motorola, Inc. | Integrated circuit with clock generator circuit |
| GB2228598A (en) * | 1989-02-28 | 1990-08-29 | Ibm | Clock signal generator for a data processing system |
| US5142684A (en) * | 1989-06-23 | 1992-08-25 | Hand Held Products, Inc. | Power conservation in microprocessor controlled devices |
| US5021679A (en) * | 1989-06-30 | 1991-06-04 | Poqet Computer Corporation | Power supply and oscillator for a computer system providing automatic selection of supply voltage and frequency |
| GB2234371A (en) * | 1989-07-07 | 1991-01-30 | Inmos Ltd | Clock generation |
| EP0428774B1 (de) * | 1989-11-21 | 1994-09-21 | Siemens Aktiengesellschaft | Mikrocomputer mit einem intergrierten RC-Oszillator mit programmierbarer Frequenz |
| JP2762670B2 (ja) * | 1990-03-30 | 1998-06-04 | 松下電器産業株式会社 | データ処理装置 |
| GB9014811D0 (en) * | 1990-07-04 | 1990-08-22 | Pgc Limited | Computer |
| GB2246455A (en) * | 1990-07-23 | 1992-01-29 | Philips Electronic Associated | Altering the rate at which digital circuitry operates |
| FI89432C (fi) * | 1991-06-26 | 1993-09-27 | Nokia Mobile Phones Ltd | Genering av en klockfrekvens i ett smart card graenssnitt |
| US5473571A (en) * | 1993-09-30 | 1995-12-05 | Nippon Telegraph And Telephone Corporation | Data hold circuit |
| US5798667A (en) * | 1994-05-16 | 1998-08-25 | At&T Global Information Solutions Company | Method and apparatus for regulation of power dissipation |
| JP2755183B2 (ja) * | 1994-09-26 | 1998-05-20 | 日本電気株式会社 | 低消費電力動作用のクロックジェネレータ／コントローラ内蔵ｌｓｉ |
| US5586308A (en) * | 1994-10-19 | 1996-12-17 | Advanced Micro Devices, Inc. | Clock control unit responsive to a power management state for clocking multiple clocked circuits connected thereto |
| DE19610627A1 (de) * | 1996-03-19 | 1997-09-25 | Bosch Gmbh Robert | Mikrokontroller mit Selbstweckvorrichtung |
| JP3701100B2 (ja) * | 1997-04-30 | 2005-09-28 | 富士通株式会社 | クロック生成回路及びクロック生成方法 |
| TW429686B (en) * | 1998-05-12 | 2001-04-11 | Mitsubishi Electric Corp | Circuit and method for generating clock |
| KR20000027589A (ko) * | 1998-10-28 | 2000-05-15 | 윤종용 | 동작 상태에서 버스 클락 신호의 주파수 변환기능을 구비한 컴퓨터 시스템 및 그의 제어 방법 |
| DE19963813A1 (de) | 1999-12-30 | 2001-07-19 | Infineon Technologies Ag | Schaltungsanordnung zur Regelung des Leistungsverbrauchs eines integrierten Schaltkreises |
| JP4071604B2 (ja) | 2002-11-18 | 2008-04-02 | 株式会社ルネサステクノロジ | 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 |
| JP2004348573A (ja) | 2003-05-23 | 2004-12-09 | Renesas Technology Corp | クロック生成回路およびそれを含むシステム |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3922526A (en) * | 1973-02-02 | 1975-11-25 | Texas Instruments Inc | Driver means for lsi calculator to reduce power consumption |
| US3941989A (en) * | 1974-12-13 | 1976-03-02 | Mos Technology, Inc. | Reducing power consumption in calculators |
| JPS54144152A (en) * | 1978-04-28 | 1979-11-10 | Sharp Corp | Integrated circuit device |
| JPS54146926A (en) * | 1978-05-10 | 1979-11-16 | Nec Corp | Computer system |
| US4234929A (en) * | 1979-09-24 | 1980-11-18 | Harris Corporation | Control device for a phase lock loop vernier frequency synthesizer |
| US4317180A (en) * | 1979-12-26 | 1982-02-23 | Texas Instruments Incorporated | Clocked logic low power standby mode |
| GB2080585B (en) * | 1980-07-22 | 1984-07-04 | Tokyo Shibaura Electric Co | Semiconductor integrated circuit with reduced power consumption |
| JPS5734245A (en) * | 1980-08-09 | 1982-02-24 | Shigeru Toyoshima | Operation processing device |
| JPS57105016A (en) * | 1980-12-22 | 1982-06-30 | Nec Corp | Clock source switching system |
| FR2506478A1 (fr) * | 1981-05-20 | 1982-11-26 | Telephonie Ind Commerciale | Dispositif pour augmenter la securite de fonctionnement d'une horloge dupliquee |
| JPS5870335A (ja) * | 1981-10-21 | 1983-04-26 | Hitachi Ltd | 同期クロツク切換方式 |
| JPS58134356A (ja) * | 1982-02-05 | 1983-08-10 | Toshiba Corp | 集積回路 |
| JPS58151622A (ja) * | 1982-03-05 | 1983-09-08 | Fujitsu Ltd | マイクロプロセツサ |
-
1984
- 1984-10-30 BR BR8407147A patent/BR8407147A/pt not_active IP Right Cessation
- 1984-10-30 JP JP59504055A patent/JPS60502274A/ja active Granted
- 1984-10-30 EP EP84904054A patent/EP0162870B1/en not_active Expired - Lifetime
- 1984-10-30 AU AU35586/84A patent/AU577329B2/en not_active Ceased
- 1984-10-30 DE DE84904054T patent/DE3486195T2/de not_active Expired - Lifetime
- 1984-10-30 WO PCT/US1984/001752 patent/WO1985002275A1/en active IP Right Grant
- 1984-11-02 IL IL73409A patent/IL73409A/xx not_active IP Right Cessation
- 1984-11-06 CA CA000467119A patent/CA1216952A/en not_active Expired
- 1984-11-06 KR KR1019840006946A patent/KR920005326B1/ko not_active IP Right Cessation
- 1984-11-06 IT IT49125/84A patent/IT1178205B/it active
- 1984-11-07 MX MX203318A patent/MX156871A/es unknown
-
1985
- 1985-06-07 FI FI852293A patent/FI92768C/fi not_active IP Right Cessation
- 1985-07-03 DK DK302385A patent/DK170080B1/da active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378935A (en) * | 1991-06-18 | 1995-01-03 | Nokia Mobile Phones Ltd. | Clock frequency adjustment of an electrical circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| AU577329B2 (en) | 1988-09-22 |
| DE3486195T2 (de) | 1993-12-16 |
| JPH0412842B2 (fi) | 1992-03-05 |
| IT8449125A1 (it) | 1986-05-06 |
| IL73409A0 (en) | 1985-02-28 |
| MX156871A (es) | 1988-10-07 |
| AU3558684A (en) | 1985-06-03 |
| EP0162870A4 (en) | 1988-04-26 |
| IT1178205B (it) | 1987-09-09 |
| JPS60502274A (ja) | 1985-12-26 |
| KR920005326B1 (ko) | 1992-07-02 |
| DK170080B1 (da) | 1995-05-15 |
| DE3486195D1 (de) | 1993-09-09 |
| WO1985002275A1 (en) | 1985-05-23 |
| CA1216952A (en) | 1987-01-20 |
| EP0162870B1 (en) | 1993-08-04 |
| DK302385D0 (da) | 1985-07-03 |
| DK302385A (da) | 1985-07-03 |
| FI92768B (fi) | 1994-09-15 |
| FI852293A0 (fi) | 1985-06-07 |
| EP0162870A1 (en) | 1985-12-04 |
| BR8407147A (pt) | 1985-10-08 |
| FI92768C (fi) | 1994-12-27 |
| IT8449125A0 (it) | 1984-11-06 |
| KR850004815A (ko) | 1985-07-27 |
| IL73409A (en) | 1988-08-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | Publication of examined application | ||
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: MOTOROLA INC. |