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Data interface apparatus having adaptive delay control function

A data interface and delay control technology, applied in the direction of logic circuit connection/interface layout, pulse processing, electrical components, etc., can solve problems such as difficult to reflect

Inactive Publication Date: 2012-05-09
SAMSUNG ELECTRO MECHANICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the inserted delay cells provide a fixed delay value, when the amount of skew changes according to time or conditions, it is difficult to reflect the change

Method used

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  • Data interface apparatus having adaptive delay control function
  • Data interface apparatus having adaptive delay control function
  • Data interface apparatus having adaptive delay control function

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Embodiment Construction

[0023] Various objects, advantages and features of the present invention will become apparent from the following description of embodiments with reference to the accompanying drawings.

[0024] The terms and words used in this specification and claims should not be limited to the typical meanings or dictionary definitions, but should be based on the concept that the inventor can properly define the terms to best describe what he / she knows to practice the invention. The rule of the best method is interpreted as having a meaning or concept related to the technical field of the present invention.

[0025] The above and other objects, advantages and features of the present invention will be more clearly understood through the following detailed description in conjunction with the accompanying drawings. In the specification, when adding reference numerals to components throughout the drawings, it should be noted that the same reference numerals designate the same components even if...

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Abstract

Disclosed herein is a data interface apparatus having an adaptive delay control function, which includes a transmitter generating and transmitting data and strobe signals through an intermediate signal path; and a receiver restoring data by receiving the signals, detecting a time difference of a low-level signal and a high-level signal of a strobe signal after an interval where data is high and strobe is low, regulating skew according to the detected time difference, and outputting the strobe signal with the regulated skew. Hence, the skew can be actively regulated in an environment where the skew changes.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of Korean Patent Application No. 10-2010-0097469, filed Oct. 6, 2010, entitled "Data Interface Apparatus Having Adaptive Delay Control Function," which is hereby incorporated by reference in its entirety . technical field [0003] The present invention relates to a data interface device with adaptive delay control. Background technique [0004] In order to transmit high-speed data from a host as a transmitter of a mobile device to a client as a receiver, it is necessary to transmit a clock together with the data. In this regard, the Mobile Digital Display Interface (MDDI) device uses an Exclusive OR (XOR) circuit to encode data and clock into a strobe signal and transmit it. [0005] In this way, when the MDDI device encodes data and always as a strobe signal and transmits it, it is possible to improve the effectiveness of the transmitted clock. [0006] However, there is a physic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H03K19/0175
CPCH04L7/0008H03K5/135H04L25/14
Inventor 金应周
Owner SAMSUNG ELECTRO MECHANICS CO LTD