JPS57167200A - Memory backup circuit - Google Patents

Memory backup circuit

Info

Publication number
JPS57167200A
JPS57167200A JP56053467A JP5346781A JPS57167200A JP S57167200 A JPS57167200 A JP S57167200A JP 56053467 A JP56053467 A JP 56053467A JP 5346781 A JP5346781 A JP 5346781A JP S57167200 A JPS57167200 A JP S57167200A
Authority
JP
Japan
Prior art keywords
data
memory
error
control
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
JP56053467A
Other languages
English (en)
Inventor
Yuji Ebihara
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 JP56053467A priority Critical patent/JPS57167200A/ja
Publication of JPS57167200A publication Critical patent/JPS57167200A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1666—Error detection or correction of the data by redundancy in hardware where the redundant component is memory or memory area
    • G06F11/167—Error detection by comparing the memory output
JP56053467A 1981-04-07 1981-04-07 Memory backup circuit Pending JPS57167200A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56053467A JPS57167200A (en) 1981-04-07 1981-04-07 Memory backup circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56053467A JPS57167200A (en) 1981-04-07 1981-04-07 Memory backup circuit

Publications (1)

Publication Number Publication Date
JPS57167200A true JPS57167200A (en) 1982-10-14

Family

ID=12943662

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56053467A Pending JPS57167200A (en) 1981-04-07 1981-04-07 Memory backup circuit

Country Status (1)

Country Link
JP (1) JPS57167200A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107499A (ja) * 1982-12-10 1984-06-21 Toshiba Corp 多重化メモリ回路
JPS61228543A (ja) * 1985-04-03 1986-10-11 Hitachi Ltd データ処理装置
JPS6210746A (ja) * 1985-07-08 1987-01-19 Hitachi Cable Ltd 不揮発性ｒａｍのチエツク方法
JPH01134555A (ja) * 1987-11-19 1989-05-26 Fujitsu Ltd 共通メモリ制御方式

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101953A (en) * 1977-02-17 1978-09-05 Nec Corp Data processor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53101953A (en) * 1977-02-17 1978-09-05 Nec Corp Data processor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59107499A (ja) * 1982-12-10 1984-06-21 Toshiba Corp 多重化メモリ回路
JPS61228543A (ja) * 1985-04-03 1986-10-11 Hitachi Ltd データ処理装置
JPS6210746A (ja) * 1985-07-08 1987-01-19 Hitachi Cable Ltd 不揮発性ｒａｍのチエツク方法
JPH01134555A (ja) * 1987-11-19 1989-05-26 Fujitsu Ltd 共通メモリ制御方式

Similar Documents

Publication Publication Date Title
JPS5539994A (en) Multiprocessor system
JPS57167200A (en) Memory backup circuit
JPS57117056A (en) Microcomputer device
JPS5447540A (en) Fault correction system for control memory
JPS5474644A (en) Control system of microprogram
JPS5782298A (en) Diagnostic system for storage device
JPS5652451A (en) Interruption display system
JPS5764399A (en) Data processing device
JPS6423354A (en) Duplex buffer memory control system
JPS5727342A (en) Error checking system for error detecting correcting circuit
JPS5717063A (en) Test circuit of microcomputer
JPS5663652A (en) Information processing unit
JPS5677999A (en) Ecc circuit diagnosing system for memory device
JPS57183700A (en) Information processor
JPS5697164A (en) Test and set and test and reset system
JPS5798197A (en) Multiplexing memory device
JPS5694447A (en) Test system of parity checker
JPS55108996A (en) Memory test system
JPS60549A (ja) メモリ試験方式
GILLEY Shared memory for a fault-tolerant computer[Patent]
JPS5697128A (en) Data processor with display device
JPS5650448A (en) Micro diagnostic system
JPS57187753A (en) Status recording system for information processing device
JPS57200999A (en) Memory circuit checking system
JPS5592952A (en) Common-bus abnormality detection system