KR920013080A - Keyboard Connections and Methods for Terminals - Google Patents

Keyboard Connections and Methods for Terminals Download PDF

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Publication number
KR920013080A
KR920013080A KR1019900020170A KR900020170A KR920013080A KR 920013080 A KR920013080 A KR 920013080A KR 1019900020170 A KR1019900020170 A KR 1019900020170A KR 900020170 A KR900020170 A KR 900020170A KR 920013080 A KR920013080 A KR 920013080A
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KR
South Korea
Prior art keywords
cpu
keyboard
input
output means
data
Prior art date
Application number
KR1019900020170A
Other languages
Korean (ko)
Other versions
KR930004422B1 (en
Inventor
조윤희
Original Assignee
심흥주
주식회사 큐닉스컴퓨터
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.)
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Publication date
Application filed by 심흥주, 주식회사 큐닉스컴퓨터 filed Critical 심흥주
Priority to KR1019900020170A priority Critical patent/KR930004422B1/en
Publication of KR920013080A publication Critical patent/KR920013080A/en
Application granted granted Critical
Publication of KR930004422B1 publication Critical patent/KR930004422B1/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Input From Keyboards Or The Like (AREA)

Abstract

내용 없음No content

Description

터미널의 키보드 연결장치 및 방법Keyboard Connections and Methods for Terminals

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

제1도는 본 발명이 적용된 키보드 및 터미널의 구성도, 제2도는 제1도의 UART와 키보드의 연결상태도, 제3도는 본 발명에 의한 키보드 연결방법의 흐름도.1 is a block diagram of a keyboard and a terminal to which the present invention is applied, FIG. 2 is a diagram illustrating a connection state between a UART and a keyboard of FIG. 1, and FIG.

Claims (2)

CPU(21), 상기 CPU(21)에 연결된 메모리수단(22), 및 상기 CPU(21)에 연결된 입출력수단(23)을 포함하여 구성된 터미널(1)과, 상기 입출력수단(23)에 연결되고 마이크로 프로세서(10)를 포함하여 구성된 키보드(1)와의 데이타 송수신을 위한 키보드 연결장치에 있어서, 상기 마이크로 프로세서(10)와 입출력수단(23)에 연결되어 클럭 및 데이타를 송수신하는 UART(Universal Asynchronous Receiver/Transmitter)(24)를 부가하여 구성하는 것을 특징으로 하는 키보드 연결장치.A terminal 1 comprising a CPU 21, a memory means 22 connected to the CPU 21, and an input / output means 23 connected to the CPU 21, and connected to the input / output means 23. In the keyboard connection device for transmitting and receiving data with the keyboard 1 including the microprocessor 10, UART (Universal Asynchronous Receiver) is connected to the microprocessor 10 and the input and output means 23 for transmitting and receiving clock and data And a transmitter (24). CPU(21), 상기 CPU(21)에 연결된 메모리수단(22), 상기 CPU(21)에 연결된 입출력수단(23), 및 상기 입출력수단(23)에 연결된 UART(24)로 구성된 터미널(1)과 상기 UART(24)에 클럭라인과 데이타라인을 통해 연결되고 마이크로 프로세서(10)를 포함하여 구성된 키보드(1)와의 데이타를 송수신을 위한 키보드 연결방법에 있어서, 상기 클럭라인이 액티브 상태인지 검색하는 제1단계, 상기 클럭라인이 액티브 상태이면 상기 클럭라인을 인액티브 상태로 만들고, 상기 데이타 라인으로 데이타를 전송하는 제2단계 및, 상기 클럭라인을 다시 액티브상태로 만드는 제3단계에 의해 수행되는 것을 특징으로 하는 키보드 연결방법.A terminal 1 composed of a CPU 21, a memory means 22 connected to the CPU 21, an input / output means 23 connected to the CPU 21, and a UART 24 connected to the input / output means 23. And a keyboard connection method for transmitting and receiving data to and from the keyboard 1 connected to the UART 24 through a clock line and a data line and including a microprocessor 10. A first step, if the clock line is in an active state, making the clock line in an inactive state, transferring a data to the data line, and a third step of making the clock line active again; Keyboard connection method characterized in that. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019900020170A 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor KR930004422B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Publications (2)

Publication Number Publication Date
KR920013080A true KR920013080A (en) 1992-07-28
KR930004422B1 KR930004422B1 (en) 1993-05-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019900020170A KR930004422B1 (en) 1990-12-08 1990-12-08 Keyboard connecting apparatus and method therefor

Country Status (1)

Country Link
KR (1) KR930004422B1 (en)

Also Published As

Publication number Publication date
KR930004422B1 (en) 1993-05-27

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