JPH0179137U - - Google Patents

Info

Publication number
JPH0179137U
JPH0179137U JP1987173419U JP17341987U JPH0179137U JP H0179137 U JPH0179137 U JP H0179137U JP 1987173419 U JP1987173419 U JP 1987173419U JP 17341987 U JP17341987 U JP 17341987U JP H0179137 U JPH0179137 U JP H0179137U
Authority
JP
Japan
Prior art keywords
data
interface
display device
state
serial interface
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.)
Granted
Application number
JP1987173419U
Other languages
Japanese (ja)
Other versions
JPH0542517Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987173419U priority Critical patent/JPH0542517Y2/ja
Publication of JPH0179137U publication Critical patent/JPH0179137U/ja
Application granted granted Critical
Publication of JPH0542517Y2 publication Critical patent/JPH0542517Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図はこの考案のグラフイツク・デイスプレ
イ装置の動作を概略的に説明する図、第２図はグ
ラフイツク・デイスプレイ装置の動作を詳細に説
明するフローチヤート、第３図はグラフイツク・
デイスプレイ装置の一実施例の構成を示す概略ブ
ロツク図、第４図はこの考案のグラフイツク・デ
イスプレイ装置を用いたグラフイツクシステムを
示す概略図、第５図は従来のグラフイツクシステ
ムを示す概略図。 １……上位コンピユータ、２……グラフイツク
・デイスプレイ装置、１３……シリアルインター
フエース、１４……パラレルインターフエース、
２１，２２……入出力ポート、２１ａ……Ｓ／Ｐ
変換器、２２ｂ……送受信バツフア、２３……切
替制御プロセツサ。 FIG. 1 is a diagram schematically explaining the operation of the graphic display device of this invention, FIG. 2 is a flowchart explaining the operation of the graphic display device in detail, and FIG.
FIG. 4 is a schematic block diagram showing the configuration of an embodiment of a display device, FIG. 4 is a schematic diagram showing a graphics system using the graphics display device of this invention, and FIG. 5 is a schematic diagram showing a conventional graphics system. 1... Host computer, 2... Graphic display device, 13... Serial interface, 14... Parallel interface,
21, 22...Input/output port, 21a...S/P
Converter, 22b... Transmission/reception buffer, 23... Switching control processor.

Claims (1)

【実用新案登録請求の範囲】 １ 上位プロセツサからパラレルインターフエー
スを通してＤＭＡ転送される図形データに基いて
可視的表示を行なうグラフイツク・デイスプレイ
装置において、コンソール機能を有するシリアル
インターフエース、およびＤＭＡ転送をサポート
するパラレルインターフエースに対応する入出力
ポートを有しているとともに、シリアルインター
フエースのみを通してのデータ授受可能状態と、
パラレルインターフエースを通してのデータ授受
、およびシリアルインターフエースを通しての上
位プロセツサからのデータ受信可能状態とを選択
する選択制御手段を有していることを特徴とする
グラフイツク・デイスプレイ装置。 ２ シリアルインターフエースに対応する入出力
ポートが、シリアルデータとパラレルデータとの
間の変換を行なうデータ変換手段を有している上
記実用新案登録請求の範囲第１項記載のグラフイ
ツク・デイスプレイ装置。 ３ パラレルインターフエースに対応する入出力
ポートが、送受信バツフアを有している上記実用
新案登録請求の範囲第１項記載のグラフイツク・
デイスプレイ装置。 ４ 選択制御手段が、シリアルインターフエース
のみを通してのデータ授受可能状態が初期状態と
して設定されているとともに、何れかのインター
フエースを通して切替えコマンドが供給された時
点で、他方の状態を選択する上記実用新案登録請
求の範囲第１項記載のグラフイツク・デイスプレ
イ装置。[Claims for Utility Model Registration] 1. A graphics display device that provides visual display based on graphical data transferred from a higher-level processor via a parallel interface, which supports a serial interface with a console function and DMA transfer. It has an input/output port that supports a parallel interface, and can also send and receive data only through a serial interface.
1. A graphic display device comprising selection control means for selecting between a state in which data can be exchanged through a parallel interface and a state in which data can be received from a host processor through a serial interface. 2. The graphic display device according to claim 1, wherein the input/output port corresponding to the serial interface has data conversion means for converting between serial data and parallel data. 3. The graphic device according to claim 1 of the above utility model registration claim, wherein the input/output port corresponding to the parallel interface has a transmitting/receiving buffer.
Display device. 4. The utility model described above, wherein the selection control means is set as an initial state to a state in which data can be exchanged only through a serial interface, and when a switching command is supplied through either interface, selects the other state. A graphic display device according to claim 1.
JP1987173419U 1987-11-13 1987-11-13 Expired - Lifetime JPH0542517Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987173419U JPH0542517Y2 (en) 1987-11-13 1987-11-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987173419U JPH0542517Y2 (en) 1987-11-13 1987-11-13

Publications (2)

Publication Number Publication Date
JPH0179137U true JPH0179137U (en) 1989-05-26
JPH0542517Y2 JPH0542517Y2 (en) 1993-10-26

Family

ID=31465327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987173419U Expired - Lifetime JPH0542517Y2 (en) 1987-11-13 1987-11-13

Country Status (1)

Country Link
JP (1) JPH0542517Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010143489A1 (en) * 2009-06-10 2010-12-16 シャープ株式会社 Display drive circuit and substrate module provided with same

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57174737A (en) * 1981-04-20 1982-10-27 Canon Inc Display device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010143489A1 (en) * 2009-06-10 2010-12-16 シャープ株式会社 Display drive circuit and substrate module provided with same

Also Published As

Publication number Publication date
JPH0542517Y2 (en) 1993-10-26

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