Interface conversion method and system

A technology of interface conversion and interface, which is applied in the direction of cathode ray tube indicators, instruments, electrical digital data processing, etc., to achieve the effect of conversion

Inactive Publication Date: 2018-06-15
LONTIUM SEMICON CORP
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Problems solved by technology

However, the HDMI interface signal transmission mode is TMDS minimized differential signal, which is very different from the MIPI interface signal transmission mode

Method used

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  • Interface conversion method and system

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Embodiment Construction

[0046] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0047] The embodiment of the present invention provides an interface conversion method, please refer to figure 1 , showing a schematic flowchart of the interface conversion method, which may include:

[0048] Step S101: Receive the minimum differential signal of each data channel of the high-definition multimedia interface HDMI and the minimum differential signal of the clock channel.

[0049] Among them, the HDMI channel includes 3 data channels for transmit...

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Abstract

The application provides an interface conversion method and system. The interface conversion method comprises the following steps: receiving a minimized differential signal of each data channel of a high definition multimedia interface HDMI and a minimized differential signal of a clock channel; converting the minimized differential signal of each data channel of the HDMI and the minimized differential signal of the clock channel to parallel data, so as to obtain the parallel data of each data channel of the HDMI and a HDMI pixel clock; synchronizing the parallel data of each data channel of the HDMI based on the HDMI pixel clock, and decoding the synchronized data; and caching the video data obtained by decoding, and sending the cached video data to a DSI interface based on the video display serial interface DSI protocol. By means of the interface conversion method and system provided by the application, the data of the HDMI interface can be converted to the data that can be output atthe DSI interface; therefore, the conversion of the HDMI interface to the DSI interface is realized.

Description

technical field [0001] The invention relates to the technical field of interface conversion, in particular to an interface conversion method and system. Background technique [0002] The Mobile Industry Processor Interface (MIPI) Alliance was initiated by ARM, Nokia, STMicroelectronics and Texas Instruments. As a cooperative organization of mobile industry leaders, the MIPI Alliance aims to identify and promote the development of mobile application processor interfaces. open standards. [0003] The MIPI interface is mainly divided into a video display serial interface (Display Serial Interface, DSI) and a camera serial interface (Camera Serial Interface, CSI). Among them, the DSI is used for the display of the liquid crystal module, and the CSI is used for the camera. The signal transmission mode of the MIPI DSI interface is divided into high-speed mode (High Speed ​​Mode, HS Mode) and low power mode (Low Power Mode, LP Mode). The high-speed mode is used to transmit video s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/4363G06F13/40G06F13/42G09G5/00
CPCG06F13/4004G06F13/4282G09G5/006H04N21/43635
Inventor 魏国苏进任殿升胡盛泉李磊
Owner LONTIUM SEMICON CORP
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