KR910012922A - Automatic state detection circuit of microprocessor control system - Google Patents

Automatic state detection circuit of microprocessor control system Download PDF

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Publication number
KR910012922A
KR910012922A KR1019890019635A KR890019635A KR910012922A KR 910012922 A KR910012922 A KR 910012922A KR 1019890019635 A KR1019890019635 A KR 1019890019635A KR 890019635 A KR890019635 A KR 890019635A KR 910012922 A KR910012922 A KR 910012922A
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South Korea
Prior art keywords
data
buffer
state
comparison
unit
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Application number
KR1019890019635A
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Korean (ko)
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KR920006325B1 (en
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최병욱
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정용문
삼성전자 주식회사
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Priority to KR1019890019635A priority Critical patent/KR920006325B1/en
Publication of KR910012922A publication Critical patent/KR910012922A/en
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Publication of KR920006325B1 publication Critical patent/KR920006325B1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00Error detection; Error correction; Monitoring
    • G06F11/30Monitoring

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Microcomputers (AREA)
  • Debugging And Monitoring (AREA)

Abstract

내용 없음.No content.

Description

마이크로 프로세서 제어시스템의 상태변화 자동감지회로Automatic state detection circuit of microprocessor control system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명에 따른 마이크로 프로세서 제어시스템의 스테이트 변화 자동 감지회로의 블럭도.2 is a block diagram of a state change automatic detection circuit of a microprocessor control system according to the present invention.

제3도는 제2도의 일실시예의 구체회로도.3 is a detailed circuit diagram of one embodiment of FIG.

제4도는 제3도의 각 부분의 동작 파형도.4 is an operational waveform diagram of each part of FIG.

Claims (2)

마이크로 프로세서 제어시스템의 상태변화 자동감지회로에 있어서, 외부신호로 부터 시스템을 보호하기 위하여 상기 외부 신호를 시스템에 맞게 버퍼하는 버퍼부(10)와, 상기 버퍼부(10)에 의해 버퍼된 신호의 데이타를 레치하는 데이타 래치(20)부와, 소정의 시간간격을 가진 비교펄스를 발생하는 비교펄스발생부(30)와, 상기 데이타 래치부(20)에 래치된 이전상태의 데이타와 상기 버퍼부(10)에서 버퍼된 새로운 데이타를 상기 비교펄스 발생부의 비교펄스에 의해 소정의 시간간격으로 비교하여 상태의 변화를 인터럽트신호로서 출력하는 상태비교부(40)와, 상기 데이타 래치부(20)의 데이타 및 상기 상태비교부(40)의 출력신호를 입력받아 정보를 처리하는 마이크로 프로세서(50)로 구성됨을 특징으로 하는 마이크로 프로세서 제어시스템의 상태변화 자동감지회로.A state change automatic detection circuit of a microprocessor control system, comprising: a buffer unit (10) for buffering an external signal in accordance with a system in order to protect the system from an external signal, and a signal buffered by the buffer unit (10) A data latch 20 section for latching data, a comparison pulse generation section 30 for generating comparison pulses having a predetermined time interval, data of the previous state latched in the data latch section 20, and the buffer section; A state comparator 40 for comparing the new data buffered at (10) at a predetermined time interval by the comparison pulses of the comparison pulse generator and outputting a change in state as an interrupt signal; Automatic sensing of the state change of the microprocessor control system, characterized in that it comprises a microprocessor 50 for processing the information received from the data and the output signal of the state comparator 40 Circuit. 제1항에 있어서, 상태 비교부(40)가 상기 버퍼부(10)의 버퍼된 데이타를 상기 비교펄스발생부(30)의 비교펄스에 의해 인에이블되어 출력하는제2버퍼와, 상기 데이타 래치부(20)에 래치된 데이타를 상기 비교펄스발생부(30)의 비교펄스에 의해 인에이블되어 출력하는 제3버퍼와, 상기 제2버퍼에서 출력되는 데이타와 상기 제3버퍼에서 출력되는 데이타를 비교하여 상태의 변화를 인터럽트 신호로서 출력하는 익스클루시브 노아게이트로 구성됨을 특징으로 하는 마이크로 프로세서 제어시스템의 상태변화 자동감지회로.The second buffer of claim 1, wherein the state comparison unit 40 enables the buffered data of the buffer unit 10 to be output by the comparison pulses of the comparison pulse generation unit 30, and the data latches. A third buffer for enabling and outputting the data latched in the unit 20 by the comparison pulse of the comparison pulse generating unit 30, data output from the second buffer and data output from the third buffer; An automatic state change detection circuit of a microprocessor control system, characterized in that it comprises an exclusive no-gate that outputs a change in state as an interrupt signal. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890019635A 1989-12-27 1989-12-27 State change auto-detecting circuit of micro processor control system KR920006325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890019635A KR920006325B1 (en) 1989-12-27 1989-12-27 State change auto-detecting circuit of micro processor control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890019635A KR920006325B1 (en) 1989-12-27 1989-12-27 State change auto-detecting circuit of micro processor control system

Publications (2)

Publication Number Publication Date
KR910012922A true KR910012922A (en) 1991-08-08
KR920006325B1 KR920006325B1 (en) 1992-08-03

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Application Number Title Priority Date Filing Date
KR1019890019635A KR920006325B1 (en) 1989-12-27 1989-12-27 State change auto-detecting circuit of micro processor control system

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KR920006325B1 (en) 1992-08-03

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