KR930011590A - Image data transmission device of printer - Google Patents

Image data transmission device of printer Download PDF

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Publication number
KR930011590A
KR930011590A KR1019910020139A KR910020139A KR930011590A KR 930011590 A KR930011590 A KR 930011590A KR 1019910020139 A KR1019910020139 A KR 1019910020139A KR 910020139 A KR910020139 A KR 910020139A KR 930011590 A KR930011590 A KR 930011590A
Authority
KR
South Korea
Prior art keywords
image data
system bus
data transmission
address
transmission device
Prior art date
Application number
KR1019910020139A
Other languages
Korean (ko)
Other versions
KR960009779B1 (en
Inventor
이해영
Original Assignee
정용문
삼성전자 주식회사
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 정용문, 삼성전자 주식회사 filed Critical 정용문
Priority to KR91020139A priority Critical patent/KR960009779B1/en
Publication of KR930011590A publication Critical patent/KR930011590A/en
Application granted granted Critical
Publication of KR960009779B1 publication Critical patent/KR960009779B1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof

Abstract

요약없음.No summary.

Description

프린터의 화상 데이타 전송장치Image data transmission device of printer

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

제1도는 종래의 화상 데이타 전송장치 블럭도.1 is a block diagram of a conventional image data transmission device.

제2도는 본 발명에 따른 화상 데이타 전송장치 블럭도.2 is a block diagram of an image data transmission device according to the present invention.

제3도는 본 발명에 따른 화상 메모리의 어드레싱방법을 설명하기 위한 맵도.3 is a map for explaining an addressing method of an image memory according to the present invention;

제4도는 제2도에 따른 화상 어드레스선택부(100)의 구체도.4 is a detailed view of the image address selection section 100 according to FIG.

제5도는 제2도에 따른 각 주요부의 상세회로도.5 is a detailed circuit diagram of each main part according to FIG. 2;

Claims (4)

화상 데이타를 전송하기 위한 전송장치에 있어서, 시스템 버스를 통해 CPU와 연결되며 외부의 클럭신호에 의해 발생되는 전송요구신호에 따라 화상 데이타의 전송을 제어하는 DMAC와, 화상 데이타를 저장하기 위한 메모리 수단과, 상기 시스템 버스를 통해 어드레스를 입력하고 상기 DMAC로 부터 인가되는 전송 응답신호에 대응하여 상기 메모리의 어드레스를 분리 서택하기 위한 화상 어드레스선택 수단과, 상기 메모리수단과 상기 시스템 버스간에 연결되며 상기 CPU의 특정 어드레스에 응답하여 상기 메모리 수단의 데이타와 상기 시스템 버스의 데이타를 분리하여 버퍼링하는 버퍼수단과, 상기 시스템 버스를 통해 상기 특정 어드레스 및 제어신호를 입력하여 상기 메모리수단 및 버퍼수단의 화상 데이타의 사이즈를 제어하기 위한 데이타 사이즈 제어수단으로 구성됨을 특징으로 하는 화상 데이타 전송장치.A transfer apparatus for transferring image data, comprising: a DMAC connected to a CPU via a system bus and controlling transfer of image data in accordance with a transfer request signal generated by an external clock signal; memory means for storing image data And image address selection means for inputting an address through the system bus and separating and selecting an address of the memory in response to a transmission response signal applied from the DMAC, and connected between the memory means and the system bus. Buffer means for separating and buffering data of the memory means and data of the system bus in response to a specific address of the buffer; inputting the specific address and a control signal through the system bus, The number of data size controls to control the size An image data transmission device comprising: a stage. 제1항에 있어서, 상기 외부의 클럭신호가 레이저 빔 프린터로 부터 인가되는 신호임을 특징으로 하는 화상 데이타 전송장치.The image data transmission device according to claim 1, wherein the external clock signal is a signal applied from a laser beam printer. 제1항에 있어서, 상기 메모리 수단이 32비트의 램 메모리로 구성된 것을 특징으로 하는 화상 데이타 전송장치.An image data transfer apparatus according to claim 1, wherein said memory means comprises a 32-bit RAM memory. 제1항에 있어서, 상기 버퍼링 수단이 적어도 4개의 8비트 데이타 라인을 가지는 버퍼로 구성됨을 특징으로 하는 화상 데이타 전송장치.2. An image data transmission apparatus according to claim 1, wherein said buffering means comprises a buffer having at least four 8-bit data lines. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR91020139A 1991-11-13 1991-11-13 Image data transmission apparatus of printer KR960009779B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR91020139A KR960009779B1 (en) 1991-11-13 1991-11-13 Image data transmission apparatus of printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR91020139A KR960009779B1 (en) 1991-11-13 1991-11-13 Image data transmission apparatus of printer

Publications (2)

Publication Number Publication Date
KR930011590A true KR930011590A (en) 1993-06-24
KR960009779B1 KR960009779B1 (en) 1996-07-24

Family

ID=19322736

Family Applications (1)

Application Number Title Priority Date Filing Date
KR91020139A KR960009779B1 (en) 1991-11-13 1991-11-13 Image data transmission apparatus of printer

Country Status (1)

Country Link
KR (1) KR960009779B1 (en)

Also Published As

Publication number Publication date
KR960009779B1 (en) 1996-07-24

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