KR970007251B1 - 다중버스용 실시간 멧세지 전송장치 및 그 제어방법 - Google Patents
다중버스용 실시간 멧세지 전송장치 및 그 제어방법 Download PDFInfo
- Publication number
- KR970007251B1 KR970007251B1 KR1019940003633A KR19940003633A KR970007251B1 KR 970007251 B1 KR970007251 B1 KR 970007251B1 KR 1019940003633 A KR1019940003633 A KR 1019940003633A KR 19940003633 A KR19940003633 A KR 19940003633A KR 970007251 B1 KR970007251 B1 KR 970007251B1
- Authority
- KR
- South Korea
- Prior art keywords
- transmission
- message
- time
- bus
- transceiver
- Prior art date
- 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
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
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- 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
- H04L12/407—Bus networks with decentralised control
- H04L12/413—Bus networks with decentralised control with random access, e.g. carrier-sense multiple-access with collision detection [CSMA-CD]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
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- 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
- H04L12/40032—Details regarding a bus interface enhancer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/90—Buffering arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/40—Network security protocols
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (4)
- 전송될 시간을 나타내는 전송시간데이타가 포함된 송신용멧세지를 일시 저장하기 위한 메모리수단과, 다수의 버스라인들에 각각 접속되어 버스라인의 상태를 검출하고, 상기 메모리수단에 저장된 송신용멧세지를 해당 버스라인쪽으로 전송하고, 상기 해당 버스라인으로 부터의 멧세지를 상기 메모리수단에 쪽으로 전송하는 다수의 트랜시버수단들과, 일정주기마다 인터럽트신호를 발생하고 실시간을 카운트하는 타이머수단과, 상기 다수의 트랜시버수단들로 부터의 선로상태데이타에 의하여 망상태를 결정하고, 그리고 상기 인터럽트신호의 발생시 상기 결정된 망상태에 따라 시간폭이 다른 시간윈도우를 설정하고 상기 시간윈도우에 속한 상기 전송시간데이타를 갖는 송신용 멧세지가 상기 메모리수단으로 부터 상기 다수의 트랜시버수단중 하나를 경유하여 휴지상태의 버스라인쪽으로 전송되도록 상기 다수의 트랜시버수단 및 상기 메모리수단을 제어하는 프로토콜 제어수단을 구비할 것을 특징으로 하는 다중버스용 실시간 멧세지 전송장치.
- 제1항에 있어서, 상기 다수의 트랜시버수단 및 상기 프로토콜 제어수단의 사이에 접속되어 상기 다수의 트랜시버수단으로 부터의 버스라인의 상태데이타를 상기 프로토콜 제어수단쪽으로 전송하고, 상기 프로토콜제어수단으로 부터의 제어신호를 상기 다수의 트랜시버수단쪽으로 전송하는 트랜시버중계수단을 추가로 구비한 것을 특징으로 하는 다중버스용 실시간 멧세지 전송장치.
- 제2항에 있어서, 상기 타이머가 상기 다수의 버스라인에 접속된 다른 타이머수단과 동기된 것을 특징으로 하는 다중버스용 실시간 멧세지 전송장치.
- 제1항의 다중버스용 실시간 멧세지 전송장치에서 멧세지의 전송을 제어하기 위한 방법에 있어서, 다수의 버스라인의 비지상태, 휴지상태 및 상기 버스라인에서의 멧세지의 충돌들을 검출하여 망상태를 결정하는 과정과, 실시간을 카운트하는 과정과, 전송시간데이타를 갖는 송신용멧세지를 입력하는 과정과, 일정주기마다 상기 결정된 망상태에 따라 다른 폭을 갖는 시간윈도우를 설정하는 과정과, 상기 시간윈도우에 속하는 전송시간데이타를 갖는 송신용멧세지를 검색하고 검색된 송신용멧세지를 버스라인쪽으로 전송하는 과정을 포함한 것을 특징으로 하는 다중버스용 실시간 멧세지 전송제어방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940003633A KR970007251B1 (ko) | 1994-02-25 | 1994-02-25 | 다중버스용 실시간 멧세지 전송장치 및 그 제어방법 |
US08/293,395 US5509012A (en) | 1994-02-25 | 1994-08-19 | Multi-bus real-time message transmitter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940003633A KR970007251B1 (ko) | 1994-02-25 | 1994-02-25 | 다중버스용 실시간 멧세지 전송장치 및 그 제어방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR950026147A KR950026147A (ko) | 1995-09-18 |
KR970007251B1 true KR970007251B1 (ko) | 1997-05-07 |
Family
ID=19377912
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940003633A Expired - Fee Related KR970007251B1 (ko) | 1994-02-25 | 1994-02-25 | 다중버스용 실시간 멧세지 전송장치 및 그 제어방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5509012A (ko) |
KR (1) | KR970007251B1 (ko) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5926475A (en) * | 1996-09-20 | 1999-07-20 | Cisco Technology, Inc. | Method and apparatus for ensuring ATM cell order in multiple cell transmission lane switching system |
GB2347824B (en) * | 1999-03-05 | 2004-03-03 | Internat Mobile Satellite Orga | Communication methods and apparatus |
CN105119843A (zh) * | 2015-08-13 | 2015-12-02 | 中国航天科工集团第三研究院第八三五七研究所 | 消息缓存队列长度的设置方法 |
JP7295104B2 (ja) | 2017-11-03 | 2023-06-20 | コーヒレント・ロジックス・インコーポレーテッド | メモリ・ネットワーク・プロセッサ |
US10838906B1 (en) * | 2019-07-11 | 2020-11-17 | Nxp B.V. | Communication between transceiver and microcontroller |
DE112022003670T5 (de) | 2021-07-23 | 2024-05-23 | Microchip Technology Incorporated | Schaltung und zeitgeber für den speicher |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4654889A (en) * | 1985-02-05 | 1987-03-31 | Westinghouse Electric Corp. | Multi-star fiber optic network with improved access time |
NL8500571A (nl) * | 1985-03-01 | 1986-10-01 | Hollandse Signaalapparaten Bv | Locaal data-communicatienetwerk volgens het multiple-bus-systeem. |
JPS6215950A (ja) * | 1985-07-15 | 1987-01-24 | Canon Inc | デ−タ伝送制御方式 |
US4918690A (en) * | 1987-11-10 | 1990-04-17 | Echelon Systems Corp. | Network and intelligent cell for providing sensing, bidirectional communications and control |
US5335226A (en) * | 1992-06-18 | 1994-08-02 | Digital Equipment Corporation | Communications system with reliable collision detection method and apparatus |
SG49316A1 (en) * | 1992-06-26 | 1998-05-18 | Yokogawa Electric Corp | Duplex communication control device |
-
1994
- 1994-02-25 KR KR1019940003633A patent/KR970007251B1/ko not_active Expired - Fee Related
- 1994-08-19 US US08/293,395 patent/US5509012A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR950026147A (ko) | 1995-09-18 |
US5509012A (en) | 1996-04-16 |
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