JPH0390348U - - Google Patents

Info

Publication number
JPH0390348U
JPH0390348U JP14973789U JP14973789U JPH0390348U JP H0390348 U JPH0390348 U JP H0390348U JP 14973789 U JP14973789 U JP 14973789U JP 14973789 U JP14973789 U JP 14973789U JP H0390348 U JPH0390348 U JP H0390348U
Authority
JP
Japan
Prior art keywords
address
bus slave
sequencer
signal
address 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.)
Granted
Application number
JP14973789U
Other languages
Japanese (ja)
Other versions
JP2526047Y2 (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 JP1989149737U priority Critical patent/JP2526047Y2/en
Publication of JPH0390348U publication Critical patent/JPH0390348U/ja
Application granted granted Critical
Publication of JP2526047Y2 publication Critical patent/JP2526047Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第1図は本考案の一実施例の構成ブロツク図、
第2図は第1図においてアドレスデコーダの構成
を示す図、第3図は第1図においてシーケンサー
の構成を示す図、第4図はシーケンサーの動作状
態を示す遷移図、第5図〜第7図は動作の一例を
示すタイムチヤート、第8図は従来装置の一例を
示す構成ブロツク図、第9図は第8図装置を同期
回路構成とした場合の構成ブロツク図である。 1……アドレスデコーダ、10……デコード部
、11……ゲート回路、4……シーケンサー、5
……RAM、61,62……ドライバ、レシーバ
、BS……パラレルバス。
FIG. 1 is a block diagram of an embodiment of the present invention.
FIG. 2 is a diagram showing the configuration of the address decoder in FIG. 1, FIG. 3 is a diagram showing the configuration of the sequencer in FIG. 1, FIG. 4 is a transition diagram showing the operating state of the sequencer, and FIGS. FIG. 8 is a time chart showing an example of the operation, FIG. 8 is a block diagram showing an example of a conventional device, and FIG. 9 is a block diagram showing the structure of the device shown in FIG. 8 in a synchronous circuit configuration. 1...Address decoder, 10...Decoding section, 11...Gate circuit, 4...Sequencer, 5
...RAM, 61, 62...driver, receiver, BS...parallel bus.

Claims (1)

【実用新案登録請求の範囲】 アドレス信号を入力し自分宛てのアドレス信号
を検出すると共に、出力アクテイブ条件にアドレ
スストローブ信号を利用したアドレスデコーダと
、 このアドレスデコーダからのアクテイブ信号を
受けて当該アクテイブ信号が所定の時間以上連続
してアクテイブであつた場合にバス・スレーブの
ためのシーケンス動作を開始するシーケンサと を備たバス・スレーブ装置。
[Claim for Utility Model Registration] An address decoder which inputs an address signal and detects the address signal addressed to itself and which uses an address strobe signal as an output active condition; a sequencer that starts a sequence operation for the bus slave when the bus slave is continuously active for a predetermined period of time or more.
JP1989149737U 1989-12-26 1989-12-26 Bus slave device Expired - Lifetime JP2526047Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989149737U JP2526047Y2 (en) 1989-12-26 1989-12-26 Bus slave device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989149737U JP2526047Y2 (en) 1989-12-26 1989-12-26 Bus slave device

Publications (2)

Publication Number Publication Date
JPH0390348U true JPH0390348U (en) 1991-09-13
JP2526047Y2 JP2526047Y2 (en) 1997-02-12

Family

ID=31696114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989149737U Expired - Lifetime JP2526047Y2 (en) 1989-12-26 1989-12-26 Bus slave device

Country Status (1)

Country Link
JP (1) JP2526047Y2 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140959A (en) * 1979-04-20 1980-11-04 Hitachi Ltd Memory control system
JPS5640939A (en) * 1979-09-08 1981-04-17 Toshiba Corp Command flag control circuit
JPH01219938A (en) * 1988-02-29 1989-09-01 Nec Corp Bus trouble detector
JPH01286061A (en) * 1988-05-13 1989-11-17 Hitachi Ltd Bus supervising system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55140959A (en) * 1979-04-20 1980-11-04 Hitachi Ltd Memory control system
JPS5640939A (en) * 1979-09-08 1981-04-17 Toshiba Corp Command flag control circuit
JPH01219938A (en) * 1988-02-29 1989-09-01 Nec Corp Bus trouble detector
JPH01286061A (en) * 1988-05-13 1989-11-17 Hitachi Ltd Bus supervising system

Also Published As

Publication number Publication date
JP2526047Y2 (en) 1997-02-12

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