KR960039741A - 전자기기 및 그 동작모드제어방법 - Google Patents

전자기기 및 그 동작모드제어방법 Download PDF

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Publication number
KR960039741A
KR960039741A KR1019960012767A KR19960012767A KR960039741A KR 960039741 A KR960039741 A KR 960039741A KR 1019960012767 A KR1019960012767 A KR 1019960012767A KR 19960012767 A KR19960012767 A KR 19960012767A KR 960039741 A KR960039741 A KR 960039741A
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KR
South Korea
Prior art keywords
operation mode
bus
initialization process
initialization
turned
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KR1019960012767A
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English (en)
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KR100373617B1 (ko
Inventor
스스무 나가노
Original Assignee
이세이 노부유끼
소니 가부시키가이샤
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Publication of KR960039741A publication Critical patent/KR960039741A/ko
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Publication of KR100373617B1 publication Critical patent/KR100373617B1/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40013—Details regarding a bus controller
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40006—Architecture of a communication node
    • H04L12/40039—Details regarding the setting of the power status of a node according to activity on the bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus
    • H04L12/40117—Interconnection of audio or video/imaging devices
    • 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

Abstract

〔목적〕
전원 투입시에 통신 시스템이 단절하지 않도록 한다.
〔구성〕
CPU(3)은 노드의 전원이 온이 되면, 우선 물리층컨트롤러(1)를 슬리프 모드로 하기 위한 제어신호를 송출한다. 이것에 의해, 물리층 컨트롤러(1)는 전원전압은 공급되더라도 P1394 시리얼버스(8)로 바이어스 전압을 출력하는 동작은 행하지 않는다. 그리고, CPU(8)는 초기화 처리가 종료한 뒤, 물리층 컨트롤러(1)를 액티브모드로 하기 위한 제어신호를 송출한다.

Description

전자기기 및 그 동작모드제어방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 실시예에 의한 노드의 주요부구성을 나타내는 블럭도, 제2도는 제1도의 CPU(3)의 동작을 나타내는 플루우챠트, 제3도는 제1도의 물리층컨트롤러의 구성의 일례를 나타내는 블럭도.

Claims (4)

  1. 버스로 접속된 다수의 전자기기 사이에서 패킷의 송수신을 행하는 시스템에 사용하는 전자기기에 있어서, 상기 버스에 바이어스 전압을 출력하지 않은 제1동작모드와, 상기 버스에 바이어스 전압을 출력하는 제2동작모드를 갖고, 전원 투입시로부터 내부의 초기화처리가 종료할때까지는 상기 제1동작모드로 동작하고, 상기 초기화 처리가 종료한 후는 상기 제2동작 모드로 동작하는 것을 특징으로 하는 전자기기.
  2. 제1항에 있어서, 초기화 처리는 패킷의 송수신을 위해 필요한 내부정보의 초기화인 것을 특징으로 하는 전자기기.
  3. 버스로 접속된 다수의 전자기기 사이에서 통신을 행하는 시스템에 사용하는 전자기기의 동작모드 제어방법에 있어서, 상기 버스에 바이어스 전압을 출력하지 않은 제1동작모드와, 상기 버스에 바이어스 전압을 출력하는 제2동작모드를 갖고, 전원 투입시로부터 내부의 초기화 처리가 종료할때까지는 상기 제1동작 모드로 설정하고, 상기 초기화 처리가 종료한 후는 상기 제2동작모드로 설정하는 것을 특징으로 하는 전자 기기의 동작 모드 제어방법.
  4. 제3항에 있어서, 초기화 처리는 패킷의 송수신을 위해 필요한 내부정보의 초기화인 것을 특징으로 하는 전자기기의 동작모드 제어방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019960012767A 1995-04-21 1996-04-19 전자기기및그동작모드제어방법 KR100373617B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP12088295A JP3348331B2 (ja) 1995-04-21 1995-04-21 電子機器及びその動作モード制御方法
JP95-120882 1995-04-21

Publications (2)

Publication Number Publication Date
KR960039741A true KR960039741A (ko) 1996-11-25
KR100373617B1 KR100373617B1 (ko) 2003-05-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019960012767A KR100373617B1 (ko) 1995-04-21 1996-04-19 전자기기및그동작모드제어방법

Country Status (6)

Country Link
US (2) US6055464A (ko)
EP (1) EP0739112B1 (ko)
JP (1) JP3348331B2 (ko)
KR (1) KR100373617B1 (ko)
CN (1) CN1086035C (ko)
DE (1) DE69631612T2 (ko)

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KR100519285B1 (ko) * 1998-03-20 2005-11-25 엘지전자 주식회사 버스 리셋 지연장치 및 그 방법

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Also Published As

Publication number Publication date
US6463362B1 (en) 2002-10-08
CN1086035C (zh) 2002-06-05
JP3348331B2 (ja) 2002-11-20
EP0739112B1 (en) 2004-02-25
DE69631612D1 (de) 2004-04-01
DE69631612T2 (de) 2004-12-23
EP0739112A2 (en) 1996-10-23
CN1141447A (zh) 1997-01-29
EP0739112A3 (en) 1999-07-21
US6055464A (en) 2000-04-25
JPH08293879A (ja) 1996-11-05
KR100373617B1 (ko) 2003-05-09

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