FPGA-based digital video display interface module and communication method thereof

A technology of display interface and digital video, which is applied in the field of digital video display interface module and its communication, can solve the problems of image smear phenomenon and insufficient cache rate, and achieve the effect of increasing cache rate, improving display performance and eliminating smear phenomenon

Active Publication Date: 2017-05-24
ZHONGBEI UNIV
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Problems solved by technology

[0003] The present invention provides an FPGA-based digital video display interface module and its communication method in order to sol

Method used

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  • FPGA-based digital video display interface module and communication method thereof
  • FPGA-based digital video display interface module and communication method thereof
  • FPGA-based digital video display interface module and communication method thereof

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Embodiment Construction

[0018] A digital video display interface module based on FPGA, including FPGA, DDR3-SDRAM, CH7301C chip and DVI-I interface; wherein, FPGA is connected with DDR3-SDRAM and CH7301C chip respectively; CH7301C chip is connected with DVI-I interface; DVI- The I interface is connected with the display device.

[0019] Described FPGA comprises clock driver, image data receiving module, address generator, register configuration unit, ODDR2+OBUFDS, display control unit; Wherein, clock driver is respectively connected with image data receiving module, address generator, register configuration unit, ODDR2+OBUFDS , display control unit connection; image data receiving module and address generator are connected with DDR3-SDRAM; address generator is connected with display control unit; register configuration unit, ODDR2+OBUFDS, display control unit are connected with CH7301C chip; display control unit Connect with DDR3-SDRAM.

[0020] Described CH7301C chip comprises clock driver, data re...

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Abstract

The invention relates to display interfaces, in particular to an FPGA-based digital video display interface module and a communication method thereof, through which the problem of the conventional display interface that an insufficient cache rate causes smearing of an image displayed on equipment is solved. The FPGA-based digital video display interface module comprises an FPGA, a DDR3-SDRAM, a CH7301C chip, and a DVI-I interface, wherein the FPGA is connected with both the DDR3-SDRAM and the CH7301C chip, the CH7301C chip is connected with the DVI-I interface, and the DVI-I interface is connected with a display. The FPGA-based digital video display interface module and the communication method thereof provided by the invention are applicable to aerospace, military, medicine and other fields.

Description

technical field [0001] The invention relates to a display interface, in particular to an FPGA-based digital video display interface module and a communication method thereof. Background technique [0002] The display interface refers to the interface connecting the graphics card with the image output device (such as monitor, TV, etc.). Various existing display interfaces (such as VGA interface) generally have the problem of insufficient buffer rate due to their own structure and principle limitations, which leads to smear phenomenon in the image displayed by the device, resulting in poor display performance of the device. Therefore, it is necessary to invent a brand-new display interface to solve the problem of smear phenomenon in the image displayed by the device due to insufficient cache rate of the existing display interface. Contents of the invention [0003] The present invention provides an FPGA-based digital video display interface module and a communication method...

Claims

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Application Information

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IPC IPC(8): H04N5/765G09G3/20
CPCH04N5/765G09G3/2096Y02D10/00
Inventor 王红亮陈一波王柳明王朝杰胡晓峰曹京胜卢振国吕云飞
Owner ZHONGBEI UNIV
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