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A real-time window monitoring method and device for high-speed data reception

A high-speed data and monitoring device technology, applied in television, electrical components, image communication, etc., can solve the problems of reducing the reliability of high-speed image data and achieve high reliability

Active Publication Date: 2018-10-19
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This will seriously reduce the reliability of high-speed image data reception for a long time

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  • A real-time window monitoring method and device for high-speed data reception
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  • A real-time window monitoring method and device for high-speed data reception

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Embodiment Construction

[0047] 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 creative efforts fall within the protection scope of the present invention.

[0048] The embodiment of the invention discloses a real-time window monitoring method and device for high-speed data reception, so as to prevent sampling points from deviating from the center of data eye diagrams and causing sampling errors.

[0049] see figure 1 , a real-time window monitoring method for high-speed data reception provided by an embodiment of the present invention, comprising:

[0050] S10. When it is detected that the data channel receives high-s...

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Abstract

The invention discloses a real-time window monitoring method for high-speed data reception, which includes: generating a data channel and a monitoring channel corresponding to the received high-speed data, and when detecting that the data channel receives high-speed data, delaying the monitoring channel Adjust and compare whether the data collected by the data channel and the monitoring channel match. If they do not match, adjust the delay of the two channels at the same time accordingly, so that the sampling point of the data channel is always within the safe sampling window smaller than the effective window, thereby solving the problem. After the initial channel training, the sampling point shifts again due to temperature changes and voltage drift during image data transmission, ensuring the high reliability of image data reception for a long time, and during the entire monitoring and delay adjustment process It has no influence on normal data transmission; the invention also discloses a real-time window monitoring device for high-speed data reception, which can also achieve the above-mentioned technical effects.

Description

technical field [0001] The invention relates to the technical field of high-speed data transmission, and more specifically, to a real-time window monitoring method and device for high-speed data reception. Background technique [0002] The source synchronous LVDS interface is a high-speed data transmission technology widely used in the fields of network, high-speed AD and high frame frequency CMOS detectors. It consists of a clock channel and several data channels. The clock and data at the sending end are edge-aligned, but the path lengths of each channel are inconsistent due to various factors during transmission, resulting in the phase relationship between the channels at the receiving end becoming unknown. The method to solve this problem is to carry out channel training in the initialization stage, that is, perform bit alignment and word alignment through the initial LVDS channel training method after power-on, and calibrate the phase deviation caused by chip technology...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N17/00H04N1/00
CPCH04N1/0001H04N1/00037H04N1/00042H04N17/00
Inventor 张恒马庆军王淑荣
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI