JPS6228266U - - Google Patents

Info

Publication number
JPS6228266U
JPS6228266U JP11774585U JP11774585U JPS6228266U JP S6228266 U JPS6228266 U JP S6228266U JP 11774585 U JP11774585 U JP 11774585U JP 11774585 U JP11774585 U JP 11774585U JP S6228266 U JPS6228266 U JP S6228266U
Authority
JP
Japan
Prior art keywords
eprom
built
control circuit
erased
microcomputer
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
JP11774585U
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 JP11774585U priority Critical patent/JPS6228266U/ja
Publication of JPS6228266U publication Critical patent/JPS6228266U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Microcomputers (AREA)

Description

【図面の簡単な説明】
第１図は、本考案の一実施例の概略図である。 １……ＥＰＲＯＭ読み出し禁止設定信号、２…
…ＥＰＲＯＭ読み出し禁止設定用ＥＰＲＯＭ、３
……ＥＰＲＯＭ、４……ＥＰＲＯＭ読み出し信号
、５……内部バス、６……アドレスバス、７……
外部バス制御回路、８……外部バス、９……ＥＰ
ＲＯＭ読み出し禁止信号、１０……ＥＰＲＯＭ読
み出し信号、１１……ＣＰＵ、１２……ＥＰＲＯ
Ｍ消去信号。

Claims (1)

    【実用新案登録請求の範囲】
  1. 内蔵のＥＰＲＯＭと同時に消去される読み出し
    禁止設定用ＥＰＲＯＭとその出力によつて内蔵Ｅ
    ＰＲＯＭの読み出しを禁止するための制御回路を
    有するＥＰＲＯＭ内蔵のマイクロコンピユータ。
JP11774585U 1985-07-31 1985-07-31 Pending JPS6228266U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11774585U JPS6228266U (ja) 1985-07-31 1985-07-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11774585U JPS6228266U (ja) 1985-07-31 1985-07-31

Publications (1)

Publication Number Publication Date
JPS6228266U true JPS6228266U (ja) 1987-02-20

Family

ID=31003544

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11774585U Pending JPS6228266U (ja) 1985-07-31 1985-07-31

Country Status (1)

Country Link
JP (1) JPS6228266U (ja)

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