KR910003967A - ST / IOM bus conversion circuit - Google Patents

ST / IOM bus conversion circuit Download PDF

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Publication number
KR910003967A
KR910003967A KR1019890010390A KR890010390A KR910003967A KR 910003967 A KR910003967 A KR 910003967A KR 1019890010390 A KR1019890010390 A KR 1019890010390A KR 890010390 A KR890010390 A KR 890010390A KR 910003967 A KR910003967 A KR 910003967A
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KR
South Korea
Prior art keywords
signal
iom
channel
output
clock
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Application number
KR1019890010390A
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Korean (ko)
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KR950005638B1 (en
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정교영
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이만용
금성반도체 주식회사
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Priority to KR1019890010390A priority Critical patent/KR950005638B1/en
Publication of KR910003967A publication Critical patent/KR910003967A/en
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Publication of KR950005638B1 publication Critical patent/KR950005638B1/en

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Abstract

내용 없음.No content.

Description

ST/IOM버스 변환회로ST / IOM bus conversion circuit

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 본 발명 변환회로의 기능에 대한 설명을 위한 블록도,1 is a block diagram for explaining the function of the conversion circuit of the present invention;

제2도는 본 발명의 변환회로도,2 is a conversion circuit diagram of the present invention;

제3도는 본 발명 메모리의 리드 및 라이트 순서에 대한 설명도.3 is an explanatory diagram for the read and write order of the memory of the present invention.

Claims (1)

클럭(MCK)으로 클럭(C2M)(C256K), ST리드 및 라이트 신호(STRD)(STWR), IOM리드 및 라이트 신호(IOMRD)(IOMWR), 출력(QA)(QB)을 발생하는 카운터(4)와, 상기 카운터(4)의 출력(QA)으로 ST B, D.C 채널인에이블 신호(STBEN)(STDEN)(CEN)를 발생하는 디코더(6)와, 상기 카운터(4)의 출력(QB)으로 IOM B. C/I채널인에이블신호(IOMBE)(IOMDE)(C/IEN)를 발생하는 디코더(7)와, 멀티플랙서(MUX1)(MUX2)를 통해 리드, 라이트어드레스를 저장하여 메모리(5)에 전송하는 리드, 라이트어드레스회로(9)(8)와, 상기 클럭(C2M)으로 구동한 후 ST라이트 신호(STWR)를 통해 ST버스의 출력(STOUT)을 저장하여 상기 메모리(5)에 저장하고, 상기 C채널인에이블신호(CEN), C채널리드신호(CRD)에 의해 상기 ST버스의 출력(STOUT)을 CPU에 읽어들이는 직/병렬쉬프트레지스터((P/S1)(P/S2)와, 상기 클럭(C256K)으로 구동한 후 IOM 라이트신호(IOMWR)를 통해 IOM버스의 출력(IOMOUT)을 저장하여 상기 메모리(5)에 저장하고, 상기 C/I채널인에이블신호(C/IEN), C/I채널리드신호(C/IRD)에 의해 상기 IOM출력(IOMOUT)을 CPU에 읽어들이는 직/병렬쉬프트레지스터(P/S3)(P/S4)와, 상기 클럭(C2M)으로 구동한 후 ST리드신호(STRD), ST B, D채널인에이블신호(CEN), C채널라이트신호(CWR)에 의해 상기 CPU의 저장 신호를 상기 ST입력(STIN)으로 실어주는 병/직렬쉬프트레지스터(P/S1)(P/S2)와, 상기 클럭(C256K)으로 구동한 후 IOM리드신호(IOMRD), IOM B, M채널인에이블신호(IOMBEN)(IOMDE)에 의해 상기 메모리(5)의 저장신호를 IOM 입력(IOMIN)으로 실어주고, 상기 C/I채널인에이블신호(C/IEN), C/I채널라이트신호(C/IWR)에 의해 상기 CPU의 저장신호를 IOM입력(IOMIN)으로 실어주는 병/직렬쉬프트레지스터(P/S3)(P/S4)로 구성하여 된 것을 특징으로 하는 ST/IOM버스 변환회로.Counter 4 generating clock C2M (C256K), ST lead and write signal (STRD) (STWR), IOM lead and write signal (IOMRD) (IOMWR), output (QA) (QB) with clock (MCK). ), A decoder 6 for generating ST B and a DC channel enable signal STBEN (STDEN) (CEN) to the output QA of the counter 4, and an output QB of the counter 4. IOM B. Decoder 7 for generating C / I channel enable signal (IOMBE) (IOMDE) (C / IEN), and read / write addresses through the multiplexer (MUX1) (MUX2) (5) drives the read and write address circuits 9 and 8 and the clock C2M and stores the ST bus output STOUT via the ST write signal STWR to store the output STOUT. ) And a serial / parallel shift register ((P / S1) () which reads the output of the ST bus STOUT to the CPU by the C channel enable signal CEN and the C channel lead signal CRD. P / S2) and the clock (C256K) and then through the IOM write signal (IOMWR). The IOM bus output IOMOUT is stored and stored in the memory 5, and the IOM output is performed by the C / I channel enable signal C / IEN and the C / I channel lead signal C / IRD. A serial / parallel shift register (P / S3) (P / S4) for reading (IOMOUT) into the CPU, and the ST lead signal (STRD), ST B, and D channel enable signals after driving with the clock (C2M). (CEN), a parallel / serial shift register (P / S1) (P / S2) carrying the stored signal of the CPU to the ST input (STN) by the C channel write signal (CWR), and the clock (C256K). After driving to the IOM lead signal (IOMRD), IOM B, M channel enable signal (IOMBEN) (IOMDE) to carry the storage signal of the memory 5 to the IOM input (IOMIN), the C / I channel A parallel / serial shift register (P / S3) (P / S4) that carries the storage signal of the CPU to the IOM input (IOMIN) by an enable signal (C / IEN) and a C / I channel write signal (C / IWR). ST / IOM bus conversion circuit, characterized in that consisting of). ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019890010390A 1989-07-21 1989-07-21 St/iom bus change circuit KR950005638B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019890010390A KR950005638B1 (en) 1989-07-21 1989-07-21 St/iom bus change circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019890010390A KR950005638B1 (en) 1989-07-21 1989-07-21 St/iom bus change circuit

Publications (2)

Publication Number Publication Date
KR910003967A true KR910003967A (en) 1991-02-28
KR950005638B1 KR950005638B1 (en) 1995-05-27

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Application Number Title Priority Date Filing Date
KR1019890010390A KR950005638B1 (en) 1989-07-21 1989-07-21 St/iom bus change circuit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100597966B1 (en) * 1998-02-26 2006-07-06 산요덴키가부시키가이샤 Induction heater and heating cooking apparatus using the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100597966B1 (en) * 1998-02-26 2006-07-06 산요덴키가부시키가이샤 Induction heater and heating cooking apparatus using the same

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Publication number Publication date
KR950005638B1 (en) 1995-05-27

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