JPS5528150A - Error detection system for operation circuit - Google Patents

Error detection system for operation circuit

Info

Publication number
JPS5528150A
JPS5528150A JP10006378A JP10006378A JPS5528150A JP S5528150 A JPS5528150 A JP S5528150A JP 10006378 A JP10006378 A JP 10006378A JP 10006378 A JP10006378 A JP 10006378A JP S5528150 A JPS5528150 A JP S5528150A
Authority
JP
Japan
Prior art keywords
circuit
operation circuit
detection system
error detection
occupancy
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
JP10006378A
Other languages
Japanese (ja)
Inventor
Junichi Yamamoto
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP10006378A priority Critical patent/JPS5528150A/en
Publication of JPS5528150A publication Critical patent/JPS5528150A/en
Pending legal-status Critical Current

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  • Test And Diagnosis Of Digital Computers (AREA)

Abstract

PURPOSE: To detect error in the operation circuit without making delay the instruction execution time only with one occupancy of the operation circuit, by inputting the fixed pattern preset at the time zone not used with the operation circuit to the operation circuit with the selection circuit.
CONSTITUTION: The selection circuit 30 selects the input to the operation circuit 19, and the result of operation is inspected at the inspection circuit 33. Further, at the time zone when the circuit 19 is no used during the execution of instruction operation from electronic computer,the fixed pattern A prepared in advance is inputted to the circuit 19 with the circuit 30 to perform the same operation, and the result is inspected 33. Thus, the error in the operation circuit 19 can be detected without giving delay to the instruction execution time only with one occupancy of the operation circuit.
COPYRIGHT: (C)1980,JPO&Japio
JP10006378A 1978-08-18 1978-08-18 Error detection system for operation circuit Pending JPS5528150A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10006378A JPS5528150A (en) 1978-08-18 1978-08-18 Error detection system for operation circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10006378A JPS5528150A (en) 1978-08-18 1978-08-18 Error detection system for operation circuit

Publications (1)

Publication Number Publication Date
JPS5528150A true JPS5528150A (en) 1980-02-28

Family

ID=14263999

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10006378A Pending JPS5528150A (en) 1978-08-18 1978-08-18 Error detection system for operation circuit

Country Status (1)

Country Link
JP (1) JPS5528150A (en)

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