JPS53117945A - Reading system for fixed memory device - Google Patents

Reading system for fixed memory device

Info

Publication number
JPS53117945A
JPS53117945A JP3288077A JP3288077A JPS53117945A JP S53117945 A JPS53117945 A JP S53117945A JP 3288077 A JP3288077 A JP 3288077A JP 3288077 A JP3288077 A JP 3288077A JP S53117945 A JPS53117945 A JP S53117945A
Authority
JP
Japan
Prior art keywords
memory device
reading system
fixed memory
reading
secure
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
JP3288077A
Other languages
Japanese (ja)
Inventor
Keiji Kitamura
Tatsuo Takasuka
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP3288077A priority Critical patent/JPS53117945A/en
Publication of JPS53117945A publication Critical patent/JPS53117945A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C17/00—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards
    • G11C17/08—Read-only memories programmable only once; Semi-permanent stores, e.g. manually-replaceable information cards using semiconductor devices, e.g. bipolar elements

Abstract

PURPOSE:To secure a reading of the memory device with the same machine cycle even in case the multi-branch exists in the conditional branch order of the microprogram control sequence, by providing plural units of the address register and address decoder circuit.
JP3288077A 1977-03-25 1977-03-25 Reading system for fixed memory device Pending JPS53117945A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3288077A JPS53117945A (en) 1977-03-25 1977-03-25 Reading system for fixed memory device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3288077A JPS53117945A (en) 1977-03-25 1977-03-25 Reading system for fixed memory device

Publications (1)

Publication Number Publication Date
JPS53117945A true JPS53117945A (en) 1978-10-14

Family

ID=12371179

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3288077A Pending JPS53117945A (en) 1977-03-25 1977-03-25 Reading system for fixed memory device

Country Status (1)

Country Link
JP (1) JPS53117945A (en)

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