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Serial port debugging apparatus of television and system thereof

A serial port debugging, TV technology, applied in the TV field, can solve problems such as increasing costs, and achieve the effect of increasing costs

Active Publication Date: 2016-08-31
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] In view of the deficiencies of the above-mentioned prior art, the purpose of the present invention is to provide a TV serial debugging device and its system, to solve the problem that the existing TV needs to separately set the port debugging to increase the cost when there is no VGA port

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  • Serial port debugging apparatus of television and system thereof

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Embodiment Construction

[0026] The invention provides a TV serial port debugging device and its system, which are suitable for consumer electronics fields such as TV sets and set-top boxes; by multiplexing the SCL pin and SDA pin of the existing HDMI port of the TV set, and switching through the added related circuit, Connect the USB to TTL adapter board to the HDMI port of the computer and the TV, so as to realize functions such as serial port debugging, and will not affect the stability and reliability of the HDMI function of the TV; because the current smart TVs in the market are equipped with HDMI port, using this solution for serial port debugging, can unify the debugging port, save the special debugging port, reduce the cost, avoid the waste of resources, have a wide range of application value, and can be applied on a large scale. In order to make the object, technical solution and effect of the present invention more clear and definite, the present invention will be further described in detail ...

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Abstract

The invention discloses a serial port debugging apparatus of a television and a system thereof. The serial port debugging apparatus comprises a SOC chip, an HDMI port and an HDMI serial port communication module. The HDMI serial port communication module reuses a data pin of the HDMI port. When the data pin is used to detect that the HDMI port is externally connected to a USB conversion TTL module, an internal portion of the HDMI serial port communication module is conducted so that the SOC chip is connected to the USB conversion TTL module, and a serial port function is started. When the HDMI port is detected to be connected to an HDMI signal source, the internal portion of the HDMI serial port communication module is disconnected, the SOC chip is disconnected to the USB conversion TTL module, and a serial port function is closed. Through reusing the data pin of the existing HDMI port, the HDMI serial port communication module is switched to open and close a serial port debugging function; and a problem that an existing television has no VGA port and port debugging needs to be arranged individually so that cost is increased is solved.

Description

technical field [0001] The invention relates to the technical field of televisions, in particular to a serial port debugging device of a television and a system thereof. Background technique [0002] HDMI (High Definition Multimedia Interface, high-definition multimedia interface) is a digital video / audio interface technology. It is a dedicated digital interface suitable for image transmission. It can transmit audio and video signals at the same time. s. In the current situation where high-definition video is becoming more and more popular, due to the outstanding advantages of HDMI technology in transmitting digital video and audio signals, HDMI interface has become the standard configuration of home appliances. [0003] However, with the rapid development of Internet TV and smart TV, TV has developed into an embedded computing device with a complete intelligent operating system. During the R&D and production process, R&D technicians need to debug, upgrade and obtain softwa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N17/00H04N17/04H04N5/775
CPCH04N5/775H04N17/004H04N17/04
Inventor 胡传辉丁国民贺展图李玉琼严勇刘青涂志雄卓飞唐以尧
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD