JPS57178525A - Interruption controller - Google Patents

Interruption controller

Info

Publication number
JPS57178525A
JPS57178525A JP6492181A JP6492181A JPS57178525A JP S57178525 A JPS57178525 A JP S57178525A JP 6492181 A JP6492181 A JP 6492181A JP 6492181 A JP6492181 A JP 6492181A JP S57178525 A JPS57178525 A JP S57178525A
Authority
JP
Japan
Prior art keywords
interruption
inhibiting
signal
tca
multivibrator
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
JP6492181A
Other languages
Japanese (ja)
Inventor
Kazuo Fukui
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Fuji Electric Manufacturing 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 Fuji Electric Co Ltd, Fuji Electric Manufacturing Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP6492181A priority Critical patent/JPS57178525A/en
Publication of JPS57178525A publication Critical patent/JPS57178525A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/14—Handling requests for interconnection or transfer
    • G06F13/20—Handling requests for interconnection or transfer for access to input/output bus
    • G06F13/24—Handling requests for interconnection or transfer for access to input/output bus using interrupt

Abstract

PURPOSE:To enable interruption inhibiting processing by a processor having less storage capacity, by eliminating the need for an interruption inhibiting program by providing an electric circuit which shifts interruption information out of an interruption inhibiting area. CONSTITUTION:An AC power voltage AC applied to a terminal 4 is rectified by a diode 5 and a waveform shaping circuit 6 generates a rectangular wave TCA in every cycle of an alternating current. The rectangular wave TCA from the circuit 6 is applied as an interruption signal to the input terminal 3 of a microcomputer 1 for the interruption signal, and also applied to an AND gate 7. Further, a synchronizing signal RO from a computer 1 is applied to the other input of the gate 7, whose output triggers a one-shot multivibrator 9. The output of the multivibrator 9 is applied to a terminal 3 for inputting the interruption signal, and the interruption signal TCA is delayed by the multivibrator 9 until information is shifted out of an interruption inhibition area to eliminate the need for an interruption inhibiting program, performing interruption inhibiting processing to a computer 1 having less memory capacity.
JP6492181A 1981-04-27 1981-04-27 Interruption controller Pending JPS57178525A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6492181A JPS57178525A (en) 1981-04-27 1981-04-27 Interruption controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6492181A JPS57178525A (en) 1981-04-27 1981-04-27 Interruption controller

Publications (1)

Publication Number Publication Date
JPS57178525A true JPS57178525A (en) 1982-11-02

Family

ID=13271986

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6492181A Pending JPS57178525A (en) 1981-04-27 1981-04-27 Interruption controller

Country Status (1)

Country Link
JP (1) JPS57178525A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220114A (en) * 1988-05-09 1990-01-23 Thomson Consumer Electron Inc Tuner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0220114A (en) * 1988-05-09 1990-01-23 Thomson Consumer Electron Inc Tuner

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