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Data interface calibration

A data interface and data signal technology, which is applied in the direction of electrical digital data processing, digital data processing components, digital transmission systems, etc.

Active Publication Date: 2010-11-03
NVIDIA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Timing differences may vary over time due to changes in voltage and / or temperature

Method used

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  • Data interface calibration
  • Data interface calibration
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Embodiment Construction

[0016] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of claimed subject matter. It will be understood, however, by one skilled in the art, that claimed subject matter may be practiced without these specific details. In other instances, well-known methods, procedures, components and / or circuits have not been described in detail so as not to obscure claimed subject matter.

[0017] Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the claimed subject matter. Thus, appearances of the phrases "in one embodiment" and / or "an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, particular features, structures, and / or characteristics may be combined in one ...

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Abstract

Embodiments for positioning transitions in one or more data signals in relation to a data strobe signal are disclosed.

Description

technical field [0001] The present disclosure relates to adjusting the timing of data transitions on a parallel interface in relation to data strobe signals within a computing platform. Background technique [0002] As the transfer speeds and / or bus widths of interfaces between components in computing platforms and / or between units within integrated circuits increase, noise and signal integrity issues increase in importance. For some computing platforms, the data transfer interface may include data latched at the receiving device or unit in response to rising and / or falling edges of a clock signal or a data strobe signal generated by the transmitting device Or it can be generated in the receiving device by dividing the clock signal. In response to an increase in the data transfer rate, some systems may perform a calibration operation to compensate for timing differences between the data signal and one or more data strobe or clock signals. Timing differences may vary over t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/42
CPCH04L7/0091H04L7/0004H04L7/033G06F13/4243G06F13/14G06F13/00G06F1/00
Inventor 拉塞尔·R·纽科姆巴里·A·瓦格纳
Owner NVIDIA CORP