JPH0246245U - - Google Patents

Info

Publication number
JPH0246245U
JPH0246245U JP12582288U JP12582288U JPH0246245U JP H0246245 U JPH0246245 U JP H0246245U JP 12582288 U JP12582288 U JP 12582288U JP 12582288 U JP12582288 U JP 12582288U JP H0246245 U JPH0246245 U JP H0246245U
Authority
JP
Japan
Prior art keywords
address
signal
dram
rom
personal computer
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
Application number
JP12582288U
Other languages
English (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 JP12582288U priority Critical patent/JPH0246245U/ja
Publication of JPH0246245U publication Critical patent/JPH0246245U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第１図は本考案を実施したパーソナルコンピユ
ータの要部ブロツク図であり、第２図はそのタイ
ムチヤートである。第３図は従来例の要部ブロツ
ク図であり、第４図はそのタイムチヤートである
。 １…ＣＰＵ、２…ＤＲＡＭ、３…ＲＯＭ、４…
アドレスセレクタ回路（アドレスバツフア）、５
…制御回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. メインメモリ用のＤＲＡＭと、プログラムメモ
    リ用ＲＯＭとを有するパーソナルコンピユータに
    おいて、アドレス入力回路のアドレスバツフアの
    ポート選択信号と、メモリにアドレス信号を取り
    込む信号との組合せによりアドレスバツフアを前
    記ＤＲＡＭとＲＯＭとで共用するようにしたこと
    を特徴とするパーソナルコンピユータ。
JP12582288U 1988-09-27 1988-09-27 Pending JPH0246245U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12582288U JPH0246245U (ja) 1988-09-27 1988-09-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12582288U JPH0246245U (ja) 1988-09-27 1988-09-27

Publications (1)

Publication Number Publication Date
JPH0246245U true JPH0246245U (ja) 1990-03-29

Family

ID=31376767

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12582288U Pending JPH0246245U (ja) 1988-09-27 1988-09-27

Country Status (1)

Country Link
JP (1) JPH0246245U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63257859A (ja) * 1987-04-15 1988-10-25 Matsushita Electric Ind Co Ltd メモリ制御装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63257859A (ja) * 1987-04-15 1988-10-25 Matsushita Electric Ind Co Ltd メモリ制御装置

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