KR100958044B1 - Cpu 파워 다운 방법 및 그 장치 - Google Patents
Cpu 파워 다운 방법 및 그 장치 Download PDFInfo
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- KR100958044B1 KR100958044B1 KR1020047004100A KR20047004100A KR100958044B1 KR 100958044 B1 KR100958044 B1 KR 100958044B1 KR 1020047004100 A KR1020047004100 A KR 1020047004100A KR 20047004100 A KR20047004100 A KR 20047004100A KR 100958044 B1 KR100958044 B1 KR 100958044B1
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
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- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/30003—Arrangements for executing specific machine instructions
- G06F9/30076—Arrangements for executing specific machine instructions to perform miscellaneous control operations, e.g. NOP
- G06F9/30083—Power or thermal control instructions
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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
- G06F1/26—Power supply means, e.g. regulation thereof
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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
- G06F1/26—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
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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
- G06F1/26—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
- G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
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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
- G06F1/26—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
- G06F1/3243—Power saving in microcontroller unit
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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
- G06F1/26—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
- G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
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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
- G06F1/26—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
- G06F1/3296—Power saving characterised by the action undertaken by lowering the supply or operating voltage
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline or look ahead
- G06F9/3867—Concurrent instruction execution, e.g. pipeline or look ahead using instruction pipelines
- G06F9/3869—Implementation aspects, e.g. pipeline latches; pipeline synchronisation and clocking
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- 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
-
- 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
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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Abstract
Description
Claims (21)
- 집적 회로 상의 데이터 처리 시스템에 있어서:저 전력 모드(low power mode)로 진입하기 위해 사용된 저 전력 모드 명령을 포함하는 명령들을 실행하기 위한 중앙 처리 유닛으로서,명령들을 실행하기 위한 실행 유닛;저 전력 모드 명령에 진입하는 상기 중앙 처리 유닛에 응답하여 저 전력 모드 신호를 어써트(assert)하는 로직 유닛;상기 저 전력 모드 명령을 실행하기 전에 프로그래머의 모델 레지스터들의 상태를 저장하기 위한 저장 장치; 및상기 중앙 처리 유닛을 시스템 버스에 결합시키는 버스 인터페이스를 포함하는, 상기 중앙 처리 유닛;상기 중앙 처리 유닛의 시간 다중 기능들(time various functions)에 클록 신호를 제공하는 클록 발생기; 및상기 로직 유닛에 결합된 전력 제어 유닛으로서, 상기 전력 제어 유닛은 상기 저 전력 모드 신호를 수신하고, 이에 응답하여, 상기 클록 발생기를 디스에이블시키기 위한 상기 전력 제어 유닛은 상기 실행 유닛 및 상기 버스 인터페이스로부터 전력을 제거하면서 상기 로직 유닛 및 상기 저장 장치로의 전력을 유지하는, 상기 전력 제어 유닛을 포함하고,상기 중앙 처리 유닛, 상기 클록 발생기, 및 상기 전력 제어 유닛은 상기 집적 회로 상에 있는, 데이터 처리 시스템.
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- 제 1 항에 있어서,상기 전력 제어 유닛은 상기 실행 유닛에 제 1 전력 공급 전압을 제공하기 위한 제 1 출력, 및 상기 로직 유닛 및 상기 저장 장치에 제 2 전력 공급 전압을 제공하기 위한 제 2 출력을 갖고, 상기 저 전력 모드 동안, 상기 제 1 전력 공급 전압은 0 볼트로 감소되고, 상기 제 2 전력 공급 전압은 정상 동작 전압으로 유지되는, 데이터 처리 시스템.
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- 시스템 버스 및 실행 유닛에 결합된 버스 인터페이스를 갖는 중앙 처리 유닛을 가진 집적 회로 상의 데이터 처리 시스템에서 저 전력 모드로 진입하는 방법에 있어서:상기 저 전력 모드로 진입하는 상기 데이터 처리 시스템에 앞서 및 상기 중앙 처리 유닛의 정상 동작 동안, 상기 중앙 처리 유닛의 프로그래머의 모델 레지스터들을 유지하기 위해 상기 중앙 처리 유닛 내의 저장 위치를 사용하는 단계;상기 저 전력 모드로의 진입을 트리거하는 명령을 실행하는 단계;상기 저 전력 모드로의 진입에 응답하여 상기 버스 인터페이스 및 상기 실행 유닛으로부터 전력을 제거하고 상기 저 전력 모드 동안 상기 버스 인터페이스 및 상기 실행 유닛으로부터 제거된 전력을 유지하는(keeping) 단계;상기 저 전력 모드로의 진입에 앞서 상기 저장 위치 내에 저장되는 상기 프로그래머의 모델 레지스터들의 상태가 상기 저 전력 모드 동안 상기 저장 위치 내에 유지되도록 상기 저장 위치 및 로직 유닛에 대해, 상기 저 전력 모드 동안 전력을 유지하는(maintaining) 단계를 포함하는, 저 전력 모드로 진입하는 방법.
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- 제 12 항에 있어서,상기 저 전력 모드 동안 전력을 유지하는(maintaining) 단계는 또한 상기 저 전력 모드로의 진입에 응답하여 감소된 전압에서 전력을 인가하는 것을 특징으로 하는, 저 전력 모드로 진입하는 방법.
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- 집적 회로 상의 데이터 처리 시스템에 있어서:정지 명령을 포함하는 명령들을 처리하기 위한 중앙 처리 유닛으로서,상기 명령들을 실행하기 위한 실행 유닛;상기 정지 명령의 실행에 앞서 프로그래머의 모델 레지스터들의 상태를 저장하고, 상기 정지 명령의 실행에 앞서 상기 중앙 처리 유닛의 상태에 관한 정보를 저장하기 위한 저장 장치로서, 상기 정보는 상기 프로그래머의 모델 레지스터들의 상태를 포함하는, 상기 저장 장치;상기 정지 명령을 처리하는 상기 중앙 처리 유닛에 응답하여 저 전력 모드 신호를 어써트(assert)하는 로직 유닛; 및시스템 버스에 상기 중앙 처리 유닛을 결합시키기 위한 버스 인터페이스를 포함하는, 상기 중앙 처리 유닛;상기 중앙 처리 유닛의 시간 다중 기능들에 대한 클록 신호를 발생시키는 클록 발생기; 및상기 로직 유닛에 결합된 전력 제어 수단으로서, 상기 저 전력 모드 신호를 수신하고, 상기 저 전력 모드 신호의 수신에 응답하여, 상기 클록 발생기를 디스에이블시키고, 상기 실행 유닛 및 상기 버스 인터페이스로부터 전력 공급 전압을 제거하면서 상기 로직 유닛 및 상기 저장 장치로의 상기 전력 공급 전압을 유지하는, 상기 전력 제어 수단을 포함하는, 데이터 처리 시스템.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US09/956,300 | 2001-09-19 | ||
US09/956,300 US7539878B2 (en) | 2001-09-19 | 2001-09-19 | CPU powerdown method and apparatus therefor |
PCT/US2002/027589 WO2003025728A2 (en) | 2001-09-19 | 2002-08-29 | Cpu powerdown method and apparatus therefor |
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KR20040033066A KR20040033066A (ko) | 2004-04-17 |
KR100958044B1 true KR100958044B1 (ko) | 2010-05-17 |
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KR1020047004100A KR100958044B1 (ko) | 2001-09-19 | 2002-08-29 | Cpu 파워 다운 방법 및 그 장치 |
Country Status (8)
Country | Link |
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US (1) | US7539878B2 (ko) |
EP (1) | EP1476802A2 (ko) |
JP (1) | JP4515093B2 (ko) |
KR (1) | KR100958044B1 (ko) |
CN (1) | CN100462898C (ko) |
AU (1) | AU2002331762A1 (ko) |
TW (1) | TW573245B (ko) |
WO (1) | WO2003025728A2 (ko) |
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2002
- 2002-08-29 WO PCT/US2002/027589 patent/WO2003025728A2/en active Search and Examination
- 2002-08-29 AU AU2002331762A patent/AU2002331762A1/en not_active Abandoned
- 2002-08-29 JP JP2003529294A patent/JP4515093B2/ja not_active Expired - Fee Related
- 2002-08-29 KR KR1020047004100A patent/KR100958044B1/ko active IP Right Grant
- 2002-08-29 CN CNB028207106A patent/CN100462898C/zh not_active Expired - Lifetime
- 2002-08-29 EP EP02768747A patent/EP1476802A2/en not_active Withdrawn
- 2002-09-11 TW TW91120723A patent/TW573245B/zh not_active IP Right Cessation
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US20060157979A1 (en) * | 2002-10-31 | 2006-07-20 | Raufoss United Sa | Coupling member for use in a system with flowing fluid comprising integral locking tonques for engaging wing .e.g. an annular groove |
Also Published As
Publication number | Publication date |
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CN1599893A (zh) | 2005-03-23 |
JP2005528664A (ja) | 2005-09-22 |
US7539878B2 (en) | 2009-05-26 |
CN100462898C (zh) | 2009-02-18 |
JP4515093B2 (ja) | 2010-07-28 |
TW573245B (en) | 2004-01-21 |
KR20040033066A (ko) | 2004-04-17 |
WO2003025728A3 (en) | 2004-09-02 |
WO2003025728A2 (en) | 2003-03-27 |
US20030056127A1 (en) | 2003-03-20 |
EP1476802A2 (en) | 2004-11-17 |
AU2002331762A1 (en) | 2003-04-01 |
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