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JPS5672744A - Interruption control circuit - Google Patents

Interruption control circuit

Info

Publication number
JPS5672744A
JPS5672744A JP14879679A JP14879679A JPS5672744A JP S5672744 A JPS5672744 A JP S5672744A JP 14879679 A JP14879679 A JP 14879679A JP 14879679 A JP14879679 A JP 14879679A JP S5672744 A JPS5672744 A JP S5672744A
Authority
JP
Japan
Prior art keywords
ffs
interruption
signals
information
occurrence
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
JP14879679A
Other languages
Japanese (ja)
Inventor
Katsumi Uchida
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 JP14879679A priority Critical patent/JPS5672744A/en
Publication of JPS5672744A publication Critical patent/JPS5672744A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To generate an interruption cause code and reset signal at a high speed by performing the determination of a priority level and coding simultaneously through a memory circuit and by sending the coded information while generating the reset signal by decoding it again.
CONSTITUTION: Interruption input signals 11-0W11-n are inputted to FFs 12-0W 12-n for interruption occurrence detection to detect the occurrence of an interruption and the detected signal is applied to acception FFs 14-0W14-n and OR circuit 13. Then, interruption cause information 16 is inputted to those acception FFs 14-0W 14-n and interruption occurrence signals of FFs 12-0W12-n are set in FFs 14-0W 14-n. In read-only memory 21, interruption cause information with the top priority among those set in FFs 14-0W14-n is coded by regarding outputs of FFs 14-0W 14-n as address signal to output interruption cause information 18. Further, it is decoded again by decoder 22 to apply reset signals 20-0W20-n to FFs 12-0W12-n, so that information 18 and signals 20-0W20-n will be generated at a high speed.
COPYRIGHT: (C)1981,JPO&Japio
JP14879679A 1979-11-19 1979-11-19 Interruption control circuit Pending JPS5672744A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14879679A JPS5672744A (en) 1979-11-19 1979-11-19 Interruption control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14879679A JPS5672744A (en) 1979-11-19 1979-11-19 Interruption control circuit

Publications (1)

Publication Number Publication Date
JPS5672744A true JPS5672744A (en) 1981-06-17

Family

ID=15460887

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14879679A Pending JPS5672744A (en) 1979-11-19 1979-11-19 Interruption control circuit

Country Status (1)

Country Link
JP (1) JPS5672744A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582046U (en) * 1981-06-22 1983-01-07 富士通株式会社 Interrupt signal width control circuit
JPS63177224A (en) * 1987-01-19 1988-07-21 Mitsubishi Electric Corp Interruption circuit
JPS6458025A (en) * 1987-08-28 1989-03-06 Seiko Epson Corp Interruption processing circuit
JPH02116931A (en) * 1988-10-27 1990-05-01 Oki Electric Ind Co Ltd Information processor
JP2007316840A (en) * 2006-05-24 2007-12-06 Seiko Epson Corp Processor, integrated circuit device and electronic apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS582046U (en) * 1981-06-22 1983-01-07 富士通株式会社 Interrupt signal width control circuit
JPS6234353Y2 (en) * 1981-06-22 1987-09-02
JPS63177224A (en) * 1987-01-19 1988-07-21 Mitsubishi Electric Corp Interruption circuit
JPS6458025A (en) * 1987-08-28 1989-03-06 Seiko Epson Corp Interruption processing circuit
JPH02116931A (en) * 1988-10-27 1990-05-01 Oki Electric Ind Co Ltd Information processor
JP2007316840A (en) * 2006-05-24 2007-12-06 Seiko Epson Corp Processor, integrated circuit device and electronic apparatus

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