JPS58155027U - microcomputer - Google Patents

microcomputer

Info

Publication number
JPS58155027U
JPS58155027U JP5044182U JP5044182U JPS58155027U JP S58155027 U JPS58155027 U JP S58155027U JP 5044182 U JP5044182 U JP 5044182U JP 5044182 U JP5044182 U JP 5044182U JP S58155027 U JPS58155027 U JP S58155027U
Authority
JP
Japan
Prior art keywords
microcomputer
input port
abstract
interposed
read
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
JP5044182U
Other languages
Japanese (ja)
Inventor
石川　紀久夫
Original Assignee
パイオニア株式会社
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 by パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP5044182U priority Critical patent/JPS58155027U/en
Publication of JPS58155027U publication Critical patent/JPS58155027U/en
Pending legal-status Critical Current

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  • Input From Keyboards Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来のキーマトリクスを示す図、第２図は本考
案によるダイオードマトリクスを示す図、第３図は第２
図回路の操作キーに対する入力ポートのデータを示す図
である。FIG. 1 shows a conventional key matrix, FIG. 2 shows a diode matrix according to the present invention, and FIG. 3 shows a second key matrix.
FIG. 3 is a diagram showing input port data for operation keys of the circuit shown in FIG.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 入力ポートと複数のキースイッチとの間にダイオードマ
トリクスを介在させ、前記１のキースイッチの操作によ
り入力ポートに所定のデータが読み込まれるようにした
ことを特徴とするマイクロコンピュータ。A microcomputer characterized in that a diode matrix is interposed between an input port and a plurality of key switches, and predetermined data is read into the input port by operating the one key switch.
JP5044182U 1982-04-07 1982-04-07 microcomputer Pending JPS58155027U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5044182U JPS58155027U (en) 1982-04-07 1982-04-07 microcomputer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5044182U JPS58155027U (en) 1982-04-07 1982-04-07 microcomputer

Publications (1)

Publication Number Publication Date
JPS58155027U true JPS58155027U (en) 1983-10-17

Family

ID=30061238

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5044182U Pending JPS58155027U (en) 1982-04-07 1982-04-07 microcomputer

Country Status (1)

Country Link
JP (1) JPS58155027U (en)

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