KR20030048309A - Transmission indicator of device which is using IEEE1394 - Google Patents

Transmission indicator of device which is using IEEE1394 Download PDF

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KR20030048309A
KR20030048309A KR1020010078373A KR20010078373A KR20030048309A KR 20030048309 A KR20030048309 A KR 20030048309A KR 1020010078373 A KR1020010078373 A KR 1020010078373A KR 20010078373 A KR20010078373 A KR 20010078373A KR 20030048309 A KR20030048309 A KR 20030048309A
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signal
transmission
data
read
ieee1394
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KR1020010078373A
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Korean (ko)
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나응균
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가현테크(주)
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
    • G06F11/324—Display of status information
    • G06F11/325—Display of status information by lamps or LED's
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
    • H03K19/20—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits characterised by logic function, e.g. AND, OR, NOR, NOT circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40—Bus networks
    • H04L12/40052—High-speed IEEE 1394 serial bus

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Quality & Reliability (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Mathematical Physics (AREA)
  • Debugging And Monitoring (AREA)
  • Small-Scale Networks (AREA)
  • Maintenance And Management Of Digital Transmission (AREA)

Abstract

PURPOSE: An apparatus for displaying the transmission state of an IEEE 1394 device is provided to extract a signal using four signal lines of IEEE 1394 circuit and generate a display signal using an NAND gate. CONSTITUTION: DIOR(DATA IN/OUT READ) terminal(2) and DIOW(DATA IN/OUT WRITE) terminal(1) of a bridge chip(6) are respectively NANDed with CS0(CHIP SELECT 0)(3) and SC1(CHIP SELECT 1)(4), to extract a light-emitting diode driving signal. Herein, a read signal is output such that the signal has phase opposite to the phase of a desired output signal so that the phase of the read signal is inverted using a transistor or an inverter. In doing so, transmission and receiving states are displayed and a transmission error or failure is detected in the case that the transmission error or failure is generated.

Description

아이이이이1394 장치의 전송상황 표시장치{Transmission indicator of device which is using IEEE1394}Transmission indicator of device which is using IEEE1394}

본 발명은 고속 시리얼 버스의 하나인 IEEE1394를 이용하는 장치의 전송상황 표시장치에 관한 것으로써, 데이터의 리드와 라이트 및 프로그램의 실행 상황을 표시하는 표시기능을 구비하고 있는 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a transmission status display apparatus for an apparatus using IEEE 1394, which is one of high speed serial buses, and has a display function for displaying the read and write data and the execution status of a program.

종래의 전송상황 표시장치의 경우 PC에 있어서의 LED점등 표시장치가 근간을 이루고 있으며, 이는 데이터를 처리하는 콘트롤러와 상기 콘트롤러에 있는 전원전압이 전압강하용 저항을 통해 다수의 LED로 인가되고, 이 LED들은 상기 콘트롤러의 각 포트마다 하나씩 결합되어 있으며, 이 콘트롤러는 각 장치에서 전송되어온 제어신호를 수신하기 위한 데이터버스 및 에드레스버스가 결합되어 있다.In the case of the conventional transmission status display device, the LED lighting display device in the PC is the basis, which is a controller that processes data and the power supply voltage in the controller is applied to a plurality of LEDs through a voltage drop resistor. LEDs are combined, one for each port of the controller, and the controller is coupled with a data bus and an address bus for receiving a control signal transmitted from each device.

즉, 상기한 구성으로 되어진 종래의 LED 점등장치는 프로그램 처리에 따른 제어신호가 상기 콘트롤러로 인가되면, 이 콘트롤러는 해당 LED 접속포트에 LOWLEVEL신호를 주게되고, 그에 따라 전운이 저항을 통해 LED로 인가되어 점등되게 된다.That is, in the conventional LED lighting device having the above-described configuration, when a control signal according to program processing is applied to the controller, the controller gives a LOWLEVEL signal to the corresponding LED connection port, and accordingly, the power is applied to the LED through the resistance. Light up.

이로써, LED의 점등을 통해 데이터처리 상황을 인식할 수 있게 되는 것으로써, 이는 PC에 사용되어지는 방법이나 일반적으로 IEEE1394(FIREWIRE) 시리얼 데이터 전송장치에는 회로적으로 데이터 전송 방향에 따른 표시장치가 부가되기 어려운 구조로 되어 있어 사용중의 상황을 알기가 쉽지않은 문제점이 있으며, 따라서 전송에러나 고정시 확인이 어렵고 이에 따른 표시장치 등의 대응이 용이하지않아 비 효율적이인 문제점이 있었다.In this way, it is possible to recognize the data processing situation by turning on the LED, which is a method used in a PC or a display device according to a data transmission direction is added to an IEEE1394 (FIREWIRE) serial data transmission device. There is a problem that it is difficult to know the situation in use because it is difficult to structure, and therefore, there is a problem that is difficult to check when the transmission error or fixing, and accordingly the display device, etc. is not easy to cope with it.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로써, IEEE1394 회로중 4개의 신호선을 이용하여 신호를 추출하고 NAND 논리소자로 표시신호를 만드는 방법에 의해 전송상황 표시장치를 제공하게 되는 것을 그 목적으로 한다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides a transmission status display apparatus by a method of extracting a signal using four signal lines of an IEEE1394 circuit and making a display signal with a NAND logic element. The purpose.

도 1은 본 발명의 구성부를 도시한 개략 회로도1 is a schematic circuit diagram showing components of the present invention;

※도면의 주요부분에 대한 부호의 설명※※ Explanation of symbols about main part of drawing ※

1. 데이터 리드의 입출력(DIOW) 2. 데이터 라이트의 입출력(DIOR)1. DIOW of data read 2. DIOR of data write

3. 칩 선택0(CS 0) 4. 칩 선택1(CS 1)3. Chip Select 0 (CS 0) 4. Chip Select 1 (CS 1)

5. NAND 6. 브리지 칩5. NAND 6. Bridge Chip

7. 신호 표시부 8. 트랜지스터7. Signal display section 8. Transistor

9. 대용량 저장 장치(HDD)예시9. Example of mass storage device (HDD)

상기와 같은 목적을 달성하기위한 본 발명에 의한 IEEE1394 장치의 전송상황표시장치는 브리지 칩(6)의 데이터 리드의 입출력 신호(DIOR)(1) 단자와 데이터 라이트의 입출력 신호(DIOW)(2) 단자를 각각 CS0(CHIP SELECT 0)(3)와 CS1(CHIP SELECT 1)(4)에 NAND(5)시켜 발광 다이오드의 구동 신호를 추출하고, 이때 리드신호의 경우는 필요로 하는 출력신호의 반대 위상이 되어 출력되므로 트랜지스터(8) 또는 부정논리 소자를 이용하여 그 위상을 반전하여 사용 함으로써, 송수신을 표시할 수 있을 뿐만 아니라 전송에러가 발생하거나 고장시에 에러나 고장을 탐지할 수 있는 기능을 제공하게 되는 것이다.In accordance with an aspect of the present invention, there is provided a transmission status display apparatus of an IEEE 1394 device in accordance with the present invention, wherein an input / output signal (DIOR) terminal 1 of a data lead of a bridge chip 6 and an input / output signal (DIOW) 2 of a data write are provided. NAND (5) the terminals to CS0 (CHIP SELECT 0) (3) and CS1 (CHIP SELECT 1) (4), respectively, to extract the drive signal of the light emitting diode, and in the case of the read signal, the opposite of the required output signal Since the phases are outputted, the phases are reversed by using the transistor 8 or a negative logic element, so that transmission and reception can be displayed, as well as a function that can detect errors or failures in the event of a transmission error or failure. Will be provided.

또한 본 발명에 의한 IEEE1394 장치의 전송상황 표시장치는 전송상황을 표시하는 디스플레이부로 LED나 LCD를 사용하는 것이 모두 가능함은 당연한 것이다.In addition, the transmission status display apparatus of the IEEE1394 device according to the present invention is a natural display unit that can be used both as a display unit for displaying the transmission status.

이하 본 발명의 실시예를 첨부된 도면에 의해 상세히 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 구성부를 도시한 개략 회로도로써, 도면에서 보는 바와 같이 상기 IEEE1394를 이용한 장치중 예시된 대용량 저장장치(HDD)(9)를 동기화시키고, 상기 저장장치의 리드와 라이트 및 칩 선택신호를 브리지 칩(6)의 데이터 신호와 연결하고 상기 브리지 칩의 리드의 입출력 신호(DIOR)(1) 단자와 데이터 라이트의 입출력 신호(DIOW)(2)단자를 각각 CS0(CHIP SELECT 0)(3)와 CS1(CHIP SELECT 1)(4)에 NAND(5)시켜 발광 다이오드의 구동 신호를 추출함으로써, 리드신호가 필요로 하는 출력신호의 반대 위상이 되어 출력됨으로 트랜지스터(8) 또는 부정논리 소자를 이용하여 그 위상을 반전하여 사용하는 것으로써, 송수신 표시를 리드와 라이트의 신호표시부(7)에 출력되도록 하여 IEEE1394 장치의 리드와 라이트 및 전송상황의 표시가 가능해지는 것이다.FIG. 1 is a schematic circuit diagram showing the components of the present invention, as shown in the figure, to synchronize the illustrated mass storage device (HDD) 9 of the device using the IEEE1394, and to select the lead, the write and the chip of the storage device. The signal is connected to the data signal of the bridge chip 6, and the input / output signal (DIOR) terminal 1 of the lead of the bridge chip and the input / output signal DIOW (2) terminal of the data write are respectively CS0 (CHIP SELECT 0) ( 3) and CS1 (CHIP SELECT 1) (4) to extract the drive signal of the light emitting diode by NAND (5), the output signal is output in the opposite phase of the output signal required by the read signal transistor 8 or the negative logic element By inverting the phase by using, the transmission / reception display is outputted to the signal display unit 7 of the read and write, and the display of the read, write and transmission status of the IEEE 1394 device can be performed.

본 발명은 IEEE1394 장치의 작동중 에러나 고장시에 어느상태와 관련한 부분이 고장인지 식별이 가능하고 리드(READ)와 라이트(WRITE)의 동작상황을 쉽게 확인할 수 있어 시각적으로나 기능상에 편리성을 제공하게 되는 것이다.According to the present invention, it is possible to identify which part is related to an error during an operation or an error during the operation of the IEEE1394 device, and to easily check the operation status of the READ and the WRITE, providing visual and functional convenience. Will be done.

이상에서와 같이 본 발명은 기재된 구체예에 대해서만 상세히 기술하였지만 본 발명의 기술사상 범위 내에서 다양한 변형 및 수정이 가능함은 명백한 것이며, 이러한 변형 및 수정이 첨부된 특허청구범위에 속함은 당연한 것이다.As described above, the present invention has been described in detail only with respect to the described embodiments, but it is obvious that various modifications and changes are possible within the technical scope of the present invention, and such modifications and modifications belong to the appended claims.

Claims (2)

본 발명은 IEEE1394를 이용한 장치에 있어, 브리지 칩의 DIOR(DATA IN/OUT READ)과 DIOW(DATA IN/OUT WRITE) 단자를 각각 CS0(CHIP SELECT 0)와 CS1(CHIP SELECT 1)에 NAND시켜 발광 다이오드의 구동 신호를 추출하고, 이때 리드신호의 경우는 필요로 하는 출력신호의 반대 위상이 되어 출력되므로 트랜지스터 또는 부정논리 소자를 이용하여 그 위상을 반전하여 사용 함으로써, 송수신을 표시할 수 있을 뿐만 아니라 전송에러가 발생하거나 고장시에 에러나 고장을 탐지할 수 있는 기능을 제공하게 되는 것을 특징으로 하는 IEEE1394 장치의 전송상황 표시장치.According to the present invention, in the device using IEEE1394, the DIOR (DATA IN / OUT READ) and DIOW (DATA IN / OUT WRITE) terminals of the bridge chip are NANDed to CS0 (CHIP SELECT 0) and CS1 (CHIP SELECT 1), respectively, to emit light. In this case, the driving signal of the diode is extracted, and in the case of the read signal, the output signal is output in the opposite phase of the required output signal. Thus, the transmission and reception can be displayed by inverting the phase using a transistor or a negative logic element. Transmission status display device of the IEEE1394 device characterized in that it provides a function to detect an error or failure in the event of a transmission error or failure. 제 1항에 있어서, 상기 출력되는 표시부는 액정이나 형광표시장치 발광다이오드에 의한 것이 모두 가능함을 특징으로 하는 IEEE1394 장치의 전송상황 표시장치.The transmission status display apparatus of claim 1, wherein the output display unit can be a liquid crystal device or a fluorescent display device light emitting diode.
KR1020010078373A 2001-12-12 2001-12-12 Transmission indicator of device which is using IEEE1394 KR20030048309A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265132A (en) * 1995-03-28 1996-10-11 Toshiba Microelectron Corp Output circuit
KR19990031728A (en) * 1997-10-14 1999-05-06 윤종용 USB image display device to display the connection status of peripheral devices
KR20000021397A (en) * 1998-09-29 2000-04-25 구자홍 Method for displaying signalling state of ieee 1394 compatible electronic device and device thereof
US6119194A (en) * 1998-03-19 2000-09-12 Advanced Micro Devices, Inc. Method and apparatus for monitoring universal serial bus activity
JP2001216203A (en) * 2000-02-01 2001-08-10 Nec Eng Ltd Ieee1394 interface device
KR100305312B1 (en) * 1998-06-15 2001-11-30 윤종용 Interface device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08265132A (en) * 1995-03-28 1996-10-11 Toshiba Microelectron Corp Output circuit
KR19990031728A (en) * 1997-10-14 1999-05-06 윤종용 USB image display device to display the connection status of peripheral devices
US6119194A (en) * 1998-03-19 2000-09-12 Advanced Micro Devices, Inc. Method and apparatus for monitoring universal serial bus activity
KR100305312B1 (en) * 1998-06-15 2001-11-30 윤종용 Interface device
KR20000021397A (en) * 1998-09-29 2000-04-25 구자홍 Method for displaying signalling state of ieee 1394 compatible electronic device and device thereof
JP2001216203A (en) * 2000-02-01 2001-08-10 Nec Eng Ltd Ieee1394 interface device

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