JPS5360126A - Error detection control circuit - Google Patents

Error detection control circuit

Info

Publication number
JPS5360126A
JPS5360126A JP13567376A JP13567376A JPS5360126A JP S5360126 A JPS5360126 A JP S5360126A JP 13567376 A JP13567376 A JP 13567376A JP 13567376 A JP13567376 A JP 13567376A JP S5360126 A JPS5360126 A JP S5360126A
Authority
JP
Japan
Prior art keywords
error detection
control circuit
detection control
rom
featuring
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
JP13567376A
Other languages
Japanese (ja)
Inventor
Ryuichi Inoue
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP13567376A priority Critical patent/JPS5360126A/en
Publication of JPS5360126A publication Critical patent/JPS5360126A/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

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)
  • Read Only Memory (AREA)
  • For Increasing The Reliability Of Semiconductor Memories (AREA)

Abstract

PURPOSE:To secure removal and addition of the ROM featuring plural functions in the function unit, by restricting the error detection of the contents of an address removed even in case part of the ROM is removed.
JP13567376A 1976-11-10 1976-11-10 Error detection control circuit Pending JPS5360126A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13567376A JPS5360126A (en) 1976-11-10 1976-11-10 Error detection control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13567376A JPS5360126A (en) 1976-11-10 1976-11-10 Error detection control circuit

Publications (1)

Publication Number Publication Date
JPS5360126A true JPS5360126A (en) 1978-05-30

Family

ID=15157243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13567376A Pending JPS5360126A (en) 1976-11-10 1976-11-10 Error detection control circuit

Country Status (1)

Country Link
JP (1) JPS5360126A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146355A (en) * 1981-03-04 1982-09-09 Fujitsu Ltd Data transfer controlling system
JPS6091466A (en) * 1983-10-24 1985-05-22 Fujitsu Ltd Parity check system
JPS60116044A (en) * 1983-11-28 1985-06-22 Fuji Xerox Co Ltd Self diagnosing system of machine using microprocessor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57146355A (en) * 1981-03-04 1982-09-09 Fujitsu Ltd Data transfer controlling system
JPS6349810B2 (en) * 1981-03-04 1988-10-05 Fujitsu Kk
JPS6091466A (en) * 1983-10-24 1985-05-22 Fujitsu Ltd Parity check system
JPS6346462B2 (en) * 1983-10-24 1988-09-14 Fujitsu Ltd
JPS60116044A (en) * 1983-11-28 1985-06-22 Fuji Xerox Co Ltd Self diagnosing system of machine using microprocessor

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