JP4668284B2 - 差動信号伝送装置、差動信号受信装置 - Google Patents
差動信号伝送装置、差動信号受信装置 Download PDFInfo
- Publication number
- JP4668284B2 JP4668284B2 JP2007557698A JP2007557698A JP4668284B2 JP 4668284 B2 JP4668284 B2 JP 4668284B2 JP 2007557698 A JP2007557698 A JP 2007557698A JP 2007557698 A JP2007557698 A JP 2007557698A JP 4668284 B2 JP4668284 B2 JP 4668284B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- transmission
- differential signal
- connection terminal
- signal
- 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
Links
- 230000008054 signal transmission Effects 0.000 title claims description 30
- 230000005540 biological transmission Effects 0.000 claims description 110
- 239000000872 buffer Substances 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 17
- 230000002265 prevention Effects 0.000 description 22
- 239000000758 substrate Substances 0.000 description 21
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 238000004088 simulation Methods 0.000 description 6
- 230000002457 bidirectional effect Effects 0.000 description 5
- 230000010365 information processing Effects 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0292—Arrangements specific to the receiver end
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
-
- 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
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
- G06F13/4072—Drivers or receivers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0272—Arrangements for coupling to multiple lines, e.g. for differential transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/08—Modifications for reducing interference; Modifications for reducing effects due to line faults ; Receiver end arrangements for detecting or overcoming line faults
- H04L25/085—Arrangements for reducing interference in line transmission systems, e.g. by differential transmission
Description
を備えたものである。
Claims (4)
- 2本の伝送線路を介して差動信号を伝送する差動信号伝送装置であって、
前記差動信号の送信を行う送信回路を接続することができ、前記伝送線路毎に設けられた送信回路接続端子と、
前記伝送線路毎に設けられた前記送信回路接続端子からの芋づる接続の遠端に設けられ、前記差動信号の受信を行う受信回路を接続する受信回路接続端子と、
前記伝送線路毎に設けられた前記送信回路接続端子からの芋づる接続の近端に接続され、前記送信回路接続端子に前記送信回路が接続されていない場合、前記受信回路接続端子に所定の電位差を出力する電位差出力回路とを備え、
前記電位差出力回路は、前記伝送線路毎に設けられたイネーブル付きのバッファであり、それぞれの前記バッファの入力信号として固定の論理が入力され、イネーブル信号として前記送信回路検出部からの信号が入力され、前記送信回路接続端子に前記送信回路が接続されていない場合に前記バッファがイネーブルとなることを特徴とする差動信号伝送装置。 - 請求項1に記載の差動信号伝送装置であって、
前記バッファは、前記送信回路接続端子に前記送信回路が接続された場合、前記受信回路接続端子に対する出力インピーダンスを増大させることを特徴とする差動信号伝送装置。 - 請求項1または請求項2に記載の差動信号伝送装置であって、
更に、前記送信回路接続端子と共に前記送信回路に接続され、前記送信回路からの信号を取得することにより、前記送信回路接続端子に前記送信回路が接続されたか否かを示す信号を出力する送信回路検出部を備え、
前記バッファは、前記送信回路検出部からの信号に基づいて、前記受信回路接続端子に対する出力の切り替えを行うことを特徴とする差動信号伝送装置。 - 2本の伝送線路を介して差動信号を受信する差動信号受信装置であって、
前記差動信号の送信を行う送信回路を接続することができ、前記伝送線路毎に設けられた送信回路接続端子と、
前記伝送線路毎に設けられた前記送信回路接続端子からの芋づる接続の遠端に接続され、前記差動信号の受信を行う受信回路と、
前記伝送線路毎に設けられた前記送信回路接続端子からの芋づる接続の近端に接続され、前記送信回路接続端子に前記送信回路が接続されていない場合、前記受信回路接続端子に所定の電位差を出力する電位差出力回路とを備え、
前記電位差出力回路は、前記伝送線路毎に設けられたイネーブル付きのバッファであり、それぞれの前記バッファの入力信号として固定の論理が入力され、イネーブル信号として前記送信回路検出部からの信号が入力され、前記送信回路接続端子に前記送信回路が接続されていない場合に前記バッファがイネーブルとなることを特徴とする差動信号受信装置。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2006/302126 WO2007091306A1 (ja) | 2006-02-08 | 2006-02-08 | 差動信号伝送装置、差動信号受信装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2007091306A1 JPWO2007091306A1 (ja) | 2009-06-25 |
JP4668284B2 true JP4668284B2 (ja) | 2011-04-13 |
Family
ID=38344914
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007557698A Expired - Fee Related JP4668284B2 (ja) | 2006-02-08 | 2006-02-08 | 差動信号伝送装置、差動信号受信装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8063663B2 (ja) |
EP (1) | EP1986383B1 (ja) |
JP (1) | JP4668284B2 (ja) |
KR (1) | KR100959846B1 (ja) |
CN (1) | CN101331723B (ja) |
WO (1) | WO2007091306A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4957302B2 (ja) * | 2007-03-09 | 2012-06-20 | 日本電気株式会社 | 差動伝送回路 |
JP5317920B2 (ja) * | 2009-10-13 | 2013-10-16 | 三菱電機株式会社 | リモコン用送受信器及びこれを備えた空気調和機 |
EP3232527B1 (en) * | 2016-04-13 | 2022-03-02 | General Electric Technology GmbH | Method of operating a differential protection scheme |
WO2018207318A1 (ja) * | 2017-05-11 | 2018-11-15 | ヤマハ株式会社 | 送信装置及び受信装置 |
US10897279B1 (en) * | 2020-04-10 | 2021-01-19 | Samsung Electronics Co., Ltd. | DC-coupled SERDES receiver |
TWI799199B (zh) * | 2022-03-22 | 2023-04-11 | 瑞昱半導體股份有限公司 | 通訊裝置及相關方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0697967A (ja) * | 1992-09-10 | 1994-04-08 | Nec Corp | データ伝送方式 |
JP2001169314A (ja) * | 1999-12-03 | 2001-06-22 | Oki Electric Ind Co Ltd | 伝送インタフェース装置 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0475598B1 (en) * | 1990-08-20 | 1998-01-07 | Fujitsu Limited | Method and apparatus for communicating monitor/management information between communication devices connected through a switched network |
KR100272671B1 (ko) * | 1998-03-09 | 2000-11-15 | 윤종용 | 데이터 트랜시버 및 그것을 갖는 버스 인터페이스 |
US6418500B1 (en) * | 1999-02-12 | 2002-07-09 | Fujitsu Limited | Feedback control for termination adjustment |
US6304106B1 (en) * | 2000-02-18 | 2001-10-16 | International Business Machines Corporation | CMOS bi-directional current mode differential link with precompensation |
JP3654823B2 (ja) | 2000-08-04 | 2005-06-02 | 株式会社日立製作所 | 二線式バスにおける送受信ユニット |
CN1244986C (zh) * | 2001-08-31 | 2006-03-08 | 松下电器产业株式会社 | 驱动电路 |
US6985005B1 (en) * | 2001-11-20 | 2006-01-10 | Silicon Image | Differential amplifiers using asymmetric transfer characteristics to suppress input noise in output logic signals |
US6639423B2 (en) * | 2002-03-12 | 2003-10-28 | Intel Corporation | Current mode driver with variable termination |
US6690196B1 (en) * | 2002-08-08 | 2004-02-10 | International Business Machines Corporation | Simultaneous bi-directional I/O system |
US6924660B2 (en) * | 2003-09-08 | 2005-08-02 | Rambus Inc. | Calibration methods and circuits for optimized on-die termination |
JP4518321B2 (ja) * | 2004-05-28 | 2010-08-04 | ルネサスエレクトロニクス株式会社 | データ伝送装置、及び受信装置 |
US7501851B2 (en) * | 2006-05-26 | 2009-03-10 | Pmc Sierra Inc. | Configurable voltage mode transmitted architecture with common-mode adjustment and novel pre-emphasis |
US7750666B2 (en) * | 2008-09-15 | 2010-07-06 | Integrated Device Technology, Inc. | Reduced power differential type termination circuit |
-
2006
- 2006-02-08 EP EP06713269.6A patent/EP1986383B1/en not_active Expired - Fee Related
- 2006-02-08 CN CN2006800469802A patent/CN101331723B/zh not_active Expired - Fee Related
- 2006-02-08 JP JP2007557698A patent/JP4668284B2/ja not_active Expired - Fee Related
- 2006-02-08 WO PCT/JP2006/302126 patent/WO2007091306A1/ja active Application Filing
- 2006-02-08 KR KR1020087010381A patent/KR100959846B1/ko not_active IP Right Cessation
-
2008
- 2008-07-02 US US12/166,709 patent/US8063663B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0697967A (ja) * | 1992-09-10 | 1994-04-08 | Nec Corp | データ伝送方式 |
JP2001169314A (ja) * | 1999-12-03 | 2001-06-22 | Oki Electric Ind Co Ltd | 伝送インタフェース装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1986383A1 (en) | 2008-10-29 |
KR100959846B1 (ko) | 2010-05-27 |
US20080273603A1 (en) | 2008-11-06 |
EP1986383B1 (en) | 2014-05-14 |
JPWO2007091306A1 (ja) | 2009-06-25 |
CN101331723B (zh) | 2011-05-18 |
KR20080053947A (ko) | 2008-06-16 |
US8063663B2 (en) | 2011-11-22 |
CN101331723A (zh) | 2008-12-24 |
WO2007091306A1 (ja) | 2007-08-16 |
EP1986383A4 (en) | 2013-03-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7843224B2 (en) | Interface circuit that can switch between single-ended transmission and differential transmission | |
JP4668284B2 (ja) | 差動信号伝送装置、差動信号受信装置 | |
JP4712006B2 (ja) | 装置およびシステム | |
WO2016182630A1 (en) | Apparatus and methods for providing a reconfigurable bidirectional front-end interface | |
JPH07235952A (ja) | 信号伝送回路およびその回路を用いた信号伝送装置 | |
JP2006270935A (ja) | 信号伝送回路、icパッケージ及び実装基板 | |
JP5494207B2 (ja) | 入出力回路及びシステム | |
KR101156914B1 (ko) | 신호 전송 네트워크에서 풀 페일세이프 능력을 제공하는 시스템 및 방법 | |
US6744810B1 (en) | Signal repeater for voltage intolerant components used in a serial data line | |
US7746195B2 (en) | Circuit topology for multiple loads | |
US10346339B2 (en) | Signal path isolation for conductive circuit paths and multipurpose interfaces | |
Parkes | High-speed, low-power, excellent EMC: LVDS for on-board data handling | |
JP5873682B2 (ja) | リドライバic、半導体装置、及びその製造方法 | |
JP7248249B2 (ja) | 通信回路、及び通信方法 | |
JP5585091B2 (ja) | 伝送回路および信号伝送方法 | |
JP7259371B2 (ja) | 回路装置および電子機器 | |
JPH06224976A (ja) | 半2重シリアル伝送用インターフェース変換回路 | |
KR20080097956A (ko) | 전용 제어 핀 없이 모드들을 변경하는 방법 및 회로 | |
US20230084654A1 (en) | Semiconductor integrated circuits that support enhanced signal multiplexing operations for i/o buffers | |
JP2004128629A (ja) | 信号伝送回路 | |
CN108631808B (zh) | 用于数字信号传输的装置和方法 | |
JP2008227635A (ja) | 差動伝送回路 | |
JPWO2020012928A1 (ja) | 車載電子制御装置 | |
KR101563932B1 (ko) | 이중화 시스템의 이중화 상태 전환 장치 및 방법 | |
JP2001169314A (ja) | 伝送インタフェース装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101012 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20101213 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110111 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110112 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140121 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
LAPS | Cancellation because of no payment of annual fees |