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Multi-data-rate multi-protocol communication technique for baseless retimer

A technology of re-timer and data rate, applied in the direction of digital technology network, digital transmission system, pilot signal distribution, etc.

Active Publication Date: 2021-07-09
MOLEX INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the identifying data pattern cannot usually be read until the clock is recovered

Method used

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  • Multi-data-rate multi-protocol communication technique for baseless retimer
  • Multi-data-rate multi-protocol communication technique for baseless retimer
  • Multi-data-rate multi-protocol communication technique for baseless retimer

Examples

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Embodiment Construction

[0020] This specification describes a retimer that provides a clock signal during data transfer. In particular, this specification describes a reference-less retimer that dynamically calibrates an oscillator based on a received data signal to support multi-protocol and / or multi-data rate transmissions, where no reference clock signal is required to be transmitted. The retimers described in this specification can be used in wired communication, wireless communication and / or contactless communication. Wired communication may include the communication of signals between components on a device, between devices, or between systems using electrical or optical cables. Wireless and contactless communication may include communication of signals between components on a device, between devices, or between systems without the use of wires. For example, a tightly coupled transmitter / receiver pair may be deployed with a transmitter disposed on a terminal portion of a first conductive path ...

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Abstract

The invention discloses a multi-data-rate multi-protocol communication technology for a non-reference retimer. A system, method, and apparatus for generating a clock signal using a retimer circuit, comprising: receiving an input data signal transmitted without a reference clock signal; comparing the input data signal with the retimer clock signal to determine the input data signal and the retimer clock signal a frequency difference between the timer clock signals; determining a data rate of the input data signal based on the frequency difference between the input data signal and the retimer clock signal; and generating a data rate for adjusting the retimer based on the data rate of the input data signal The frequency of the clock signal is frequency locked to the control signal of the retimer clock signal and the input data signal.

Description

technical field [0001] This specification relates to retimer circuits for data communication. Background technique [0002] Typically, a reference clock signal may be transmitted with the data signal in order to synchronize data transmission between a transmitter and receiver. Typically, the bandwidth growth of modern data transmission follows a logarithmic law, and networking and point-to-point connections facilitate high-speed data transmission without a reference clock signal. [0003] A retimer typically recovers a reference clock signal at the receiving end of a high-speed data transmission, where a reference oscillator can be used. Typically, data transmission includes identifying data patterns, such as preambles, that provide usage and protocol information. However, the identification data pattern cannot usually be read until the clock is recovered. Typically, to recover the reference clock signal, it is necessary to specify the data rate of the data signal at the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L7/00H03H17/00H04L5/00
CPCH03H17/00H04L5/0048H04L7/00H04L7/033H04L7/10H04L69/18H04L69/28H03L7/099H03L7/087H03L7/0816H04L7/0087H04L7/027
Inventor 热罗姆·让·里博布鲁诺·图雷特
Owner MOLEX INC