JPH0530087A - Driver receiver - Google Patents
Driver receiverInfo
- Publication number
- JPH0530087A JPH0530087A JP18265591A JP18265591A JPH0530087A JP H0530087 A JPH0530087 A JP H0530087A JP 18265591 A JP18265591 A JP 18265591A JP 18265591 A JP18265591 A JP 18265591A JP H0530087 A JPH0530087 A JP H0530087A
- Authority
- JP
- Japan
- Prior art keywords
- driver
- receiver
- transmission
- signal
- transmission line
- 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.)
- Pending
Links
Landscapes
- Bidirectional Digital Transmission (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は，ドライバ・レシーバに
関し，特に，一本の同一伝送路における同時双方向伝送
が可能なドライバ・レシーバ及び同時双方向通信装置に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a driver / receiver, and more particularly to a driver / receiver and a simultaneous bidirectional communication device capable of simultaneous bidirectional transmission on a single transmission line.
【０００２】[0002]
【従来の技術】従来のドライバ・レシーバは，出力電圧
値を２値送出するドライバーと入力電圧値を２値検出す
るレシーバとを有し，ドライバ及びレシーバは，それぞ
れ排他動作をしている。2. Description of the Related Art A conventional driver / receiver has a driver for sending out two output voltage values and a receiver for detecting two input voltage values, and the driver and receiver are operating exclusively.
【０００３】[0003]
【発明が解決しようとする課題】前述の従来のドライバ
・レシーバでは，排他動作をしているため，同時刻に，
一本の同一伝送路にて双方向に伝送することが出来なか
った。Since the above-mentioned conventional driver / receiver performs an exclusive operation, at the same time,
It was not possible to transmit in both directions on the same transmission line.
【０００４】また，同時刻に双方向伝送をするために
は，２伝送路以上の伝送路を必要としていた。Further, in order to carry out bidirectional transmission at the same time, two or more transmission lines are required.
【０００５】そこで，本発明の技術的課題は，同時双方
向伝送を可能にしたため一本の同一伝送路にて，同時に
送受信が可能となり，伝送路の削減および伝送路の共有
化が可能であるドライバ・レシーバ及び同時双方向通信
装置を提供することにある。Therefore, the technical problem of the present invention is that since simultaneous bidirectional transmission is possible, transmission and reception can be performed simultaneously on one and the same transmission line, and it is possible to reduce transmission lines and share transmission lines. It is to provide a driver / receiver and a simultaneous two-way communication device.
【０００６】[0006]
【課題を解決するための手段】本発明によれば，送出側
信号に応じて出力電圧を２値送出するドライバ手段と，
受信信号に関連した入力電圧を３値検出するレシーバ手
段と，前記送出側信号と，前記レシーバ手段の出力信号
とを比較することによって，前記受信信号が２値のどち
らかにあるかを判定する受信信号判定手段とを有するこ
とを特徴とするドライバ・レシーバが得られる。According to the present invention, there is provided driver means for sending binary output voltage according to a sending side signal,
It is determined whether the received signal is binary by comparing the output signal of the sending side signal with the receiver means for ternary detecting the input voltage related to the received signal and the output signal of the receiver means. It is possible to obtain a driver / receiver characterized by having a received signal determining means.
【０００７】本発明によれば，前記レシーバ手段は，前
記出力信号として２値の組合せ信号を出力するものであ
り，前記受信信号判定手段は，前記送出側信号と前記組
合せ信号とに応じて判定を実行するものであることを特
徴とするドライバ・レシーバが得られる。According to the present invention, the receiver means outputs a binary combination signal as the output signal, and the reception signal judgment means makes a judgment according to the sending side signal and the combination signal. A driver / receiver is provided which is characterized in that
【０００８】本発明によれば，前記したいずれかのドラ
イバ・レシーバを一対，伝送路を介して互いに接続した
ことを特徴とする同時双方向通信装置が得られる。According to the present invention, there is provided a simultaneous two-way communication device characterized in that any one of the above-described driver / receiver is connected to each other via a transmission line.
【０００９】本発明においては，ドライバ手段は，送出
側信号に応じて出力電圧を２値送出する。レシーバ手段
は，受信信号に関連した入力電圧を３値検出する。受信
信号判定手段は，前記送出側信号と，前記レシーバ手段
の出力信号とを比較することによって，前記受信信号が
２値のどちらかにあるかを判定する。In the present invention, the driver means sends out the output voltage in binary according to the sending side signal. The receiver means detects three values of the input voltage related to the received signal. The reception signal determination means determines whether the reception signal is binary by comparing the transmission side signal with the output signal of the receiver means.
【００１０】[0010]
【実施例】次に本発明の実施例について図面を参照して
説明する。図１は本発明の一実施例のドライバ・レシー
バのブロック図である。Embodiments of the present invention will now be described with reference to the drawings. FIG. 1 is a block diagram of a driver / receiver according to an embodiment of the present invention.
【００１１】図１において，ドライバ・レシーバ１，７
は，２値ドライバ２と３値レシーバ３及び受信信号判定
回路４で夫々構成されている。これらのドライバ・レシ
ーバは，一本の伝送路５を介して接続され同時双方向受
信装置を構成している。In FIG. 1, driver receivers 1 and 7 are provided.
Are each composed of a binary driver 2, a ternary receiver 3 and a received signal judging circuit 4. These driver / receivers are connected via one transmission line 5 to form a simultaneous bidirectional receiving device.
【００１２】図２のタイムチャートをも参照して，同時
双方向受信装置の動作について説明する。ドライバ・レ
シーバ１及び７の入力電圧ａin，ｂinが両方共ハイレベ
ル電圧ＶH の時，および入力電圧ａin，ｂinが両方共ロ
ーレベル電圧ＶL の時は，伝送路５における受信信号
は，それぞれ，ハイレベル電圧ＶH ，ローレベル電圧Ｖ
L を示し双方向伝送が出来る。The operation of the simultaneous bidirectional receiver will be described with reference to the time chart of FIG. When the input voltages a in and b in of the driver / receivers 1 and 7 are both high level voltage V H , and when the input voltages a in and b in are both low level voltage V L , reception on the transmission line 5 is performed. The signals are high level voltage V H and low level voltage V, respectively.
It shows L and bidirectional transmission is possible.
【００１３】また，ドライバ・レシーバ１及び７の入力
電圧ａin，ｂinが相違する場合は，伝送路５の受信信号
は，中間レベル電圧ＶM となる。伝送路５の受信信号が
中間レベル電圧ＶM となった場合，３値レシーバ３を通
った中間レベル電圧ＶM は，図１に示すように２値の組
合せ信号ｉ，ｊとなり，受信信号判定回路４により，表
１に示すように変換される。即ち，ドライバ・レシーバ
１及び７の出力電圧ａout ，ｂout は，それぞれバーａ
in，バーｂinで示される相反するレベルの電圧となり，
双方向伝送が可能となる。When the input voltages a in and b in of the driver / receivers 1 and 7 are different from each other, the reception signal of the transmission line 5 becomes the intermediate level voltage V M. If the received signal of the transmission path 5 becomes an intermediate level voltage V M, the intermediate-level voltage V M having passed through the ternary receiver 3, the combined signal i binary as shown in FIG. 1, j, and the received signal determination The circuit 4 performs conversion as shown in Table 1. That is, the output voltages a out and b out of the driver / receiver 1 and 7 are respectively bar a.
in and bar b in have opposite voltage levels,
Bidirectional transmission is possible.
【００１４】[0014]
【表１】 [Table 1]
【００１５】表２，表３及び表４は伝送路５の受信信号
レベルと各ドライバ・レシーバ１及び７の送受信信号レ
ベルの関係を夫々示している。伝送路５の受信信号が，
ハイレベル電圧ＶH の場合は，ドライバ・レシーバ１及
び７の出力電圧ａout ，ｂout は，それぞれハイレベル
電圧ＶH であり，伝送路５がローレベル電圧ＶL の場合
は，ドライバ・レシーバ１及び７の出力電圧ａout ，ｂ
out は，それぞれローレベルＶL ，伝送路５の受信信号
が中間レベル電圧ＶH の場合は，入力電圧ａin，ｂ
inは，お互いに逆であり，出力電圧ａout ，ｂout は，
それぞれバーａin，バーｂinで示される相反するレベル
の電圧となり，一本の同一伝送路にて同時双方向伝送が
可能となる。Tables 2, 3 and 4 show the relationship between the received signal level of the transmission line 5 and the transmitted / received signal levels of the driver / receivers 1 and 7, respectively. The received signal on the transmission line 5 is
In the case of the high level voltage V H , the output voltages a out and b out of the driver / receivers 1 and 7 are respectively the high level voltage V H , and in the case where the transmission line 5 is the low level voltage V L , the driver / receiver Output voltages a out and b of 1 and 7
out is a low level V L , and when the received signal on the transmission line 5 is an intermediate level voltage V H , the input voltages a in and b are input.
in is opposite to each other, and the output voltages a out and b out are
Each bar a in, becomes the opposite level of the voltage represented by the bar b in, simultaneous bidirectional transmission is possible at one of the same transmission path.
【００１６】[0016]
【表２】 [Table 2]
【００１７】[0017]
【表３】 [Table 3]
【００１８】[0018]
【表４】 [Table 4]
【００１９】[0019]
【発明の効果】以上説明したように本発明によれば，同
時双方向伝送を可能にしたため一本の同一伝送路にて，
同時に送受信が可能となり，伝送路の削減および伝送路
の共有化が可能であるドライバ・レシーバ及びそれらを
一対用いて一本の伝送路で接続して同時双方向通信装置
を提供することができる。As described above, according to the present invention, since the simultaneous bidirectional transmission is possible, the same transmission line can be used.
It is possible to provide a simultaneous two-way communication device by enabling transmission / reception at the same time, reducing the number of transmission lines, and sharing the transmission lines, and a driver / receiver and a pair of these drivers / receivers to be connected by one transmission line.
【図１】本発明の一実施例による同時双方向通信装置の
ブロック図である。FIG. 1 is a block diagram of a simultaneous two-way communication device according to an embodiment of the present invention.
【図２】図１のドライバ・レシーバ装置の動作を説明す
るためのタイムチャートである。FIG. 2 is a time chart for explaining the operation of the driver / receiver device of FIG.
１ ドライバ・レシーバ ２ ２値ドライバ ３ ３値レシーバ ４ 受信信号判定回路 ５ 伝送路 ７ ドライバ・レシーバ 1 driver receiver 2 binary driver 3 Tri-level receiver 4 Received signal judgment circuit 5 transmission lines 7 Driver / Receiver
Claims (3)
するドライバ手段と，受信信号に関連した入力電圧を３
値検出するレシーバ手段と，前記送出側信号と，前記レ
シーバ手段の出力信号とを比較することによって，前記
受信信号が２値のどちらかにあるかを判定する受信信号
判定手段とを有することを特徴とするドライバ・レシー
バ。1. A driver means for binary-outputting an output voltage in accordance with a signal on a transmission side, and an input voltage related to a reception signal are three-valued.
A receiver means for detecting a value; and a reception signal judgment means for judging whether the reception signal is in one of two values by comparing the transmission side signal and the output signal of the receiver means. Characteristic driver / receiver.
て，前記レシーバ手段は，前記出力信号として２値の組
合せ信号を出力するものであり，前記受信信号判定手段
は，前記送出側信号と前記組合せ信号とに応じて判定を
実行するものであることを特徴とするドライバ・レシー
バ。2. The driver / receiver according to claim 1, wherein the receiver means outputs a binary combination signal as the output signal, and the reception signal determination means comprises the transmission side signal and the combination signal. A driver / receiver characterized in that it makes a determination in accordance with
一対，伝送路を介して互いに接続したことを特徴とする
同時双方向通信装置。3. A simultaneous two-way communication device comprising a pair of the driver / receiver according to claim 1 or 2 connected to each other through a transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18265591A JPH0530087A (en) | 1991-07-23 | 1991-07-23 | Driver receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18265591A JPH0530087A (en) | 1991-07-23 | 1991-07-23 | Driver receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0530087A true JPH0530087A (en) | 1993-02-05 |
Family
ID=16122120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18265591A Pending JPH0530087A (en) | 1991-07-23 | 1991-07-23 | Driver receiver |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0530087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401636C (en) * | 2002-12-31 | 2008-07-09 | 三星电子株式会社 | Bidirectional concurrent input/output circuit and method |
-
1991
- 1991-07-23 JP JP18265591A patent/JPH0530087A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100401636C (en) * | 2002-12-31 | 2008-07-09 | 三星电子株式会社 | Bidirectional concurrent input/output circuit and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20000105 |