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Redundancy mode FC sending channel frame synchronization circuit

A frame synchronization and channel technology, applied in the computer field, can solve the problem of asynchronous frame transmission, and achieve the effect of improving synchronization characteristics, improving transmission performance, and simplifying complexity.

Active Publication Date: 2016-05-04
西安翔腾微电子科技有限公司
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention provides a redundant mode FC transmission channel frame synchronization circuit, which is used to solve the problem of out-of-synchronization frame transmission in the redundant FC network, and realize nanosecond-level frame synchronization accuracy between two redundant FC channels

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  • Redundancy mode FC sending channel frame synchronization circuit

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Embodiment Construction

[0028] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] see figure 1 , the present invention provides a redundancy mode FC transmission channel frame synchronization circuit, comprising a transmission buffer write control module 1, a write synchronization control module 2, a first frame transmission buffer 3, a first frame transmission queue FIFO4, a second frame transmission Queue FIFO5, second frame send buffer 6, first send read control module 7, read synchronization control module 8, second send read control module 9, first FCMAC10, second FCMAC11.

[0030] Wherein the sending buffer writing control module 1 is connected with the writing synchronization control module 2, the first frame sending buffer 3, the first frame sending queue FIFO4, the second frame sending queue FIFO5, and the second frame sending buffer 6;

[0031] In this implementation, the sending ...

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Abstract

The present invention provides a redundancy mode FC sending channel frame synchronization circuit which comprises a sending buffer area writing control module, a writing synchronization control module, a first frame sending buffer, a first frame sending buffer area, a first frame sending sequence FIFO, a second frame sending sequence FIFO, a second frame sending buffer, a first sending reading control module, a reading synchronization control module, a second sending reading control module, a first FCMAC and a second FCMAC. According to the circuit, the synchronization of the frame output between the sending channels of an FC mode redundancy mode can be realized, thus the synchronization time characteristic of outputting the same frame by the two sending channels reach the precision of nanoseconds, the synchronization characteristic of the redundancy FC network data transmission is improved significantly, the expansion of a non-redundancy FC network data transmission function is realized, the complexity of post-stage network data processing is simplified, and the ease of use and the reliability of a redundancy FC network are improved.

Description

technical field [0001] The invention belongs to the technical field of computers, and in particular relates to a frame synchronization circuit of a redundant mode FC transmission channel. Background technique [0002] The FC network has the characteristics of high bandwidth, low delay and high reliability, and is very suitable for use in avionics systems that have high requirements for real-time and reliability of data transmission. [0003] Due to the particularity of the aviation application environment, the traditional non-redundant network cannot meet the high reliability data transmission requirements. When using the FC network as the backbone network of the avionics system, in order to improve the reliability of the communication platform, the redundancy mode must be used Realize high-speed data communication function between nodes. [0004] In a redundant FC network, the same frame transmitted between two redundant channels is required to be as synchronized as possib...

Claims

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Application Information

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IPC IPC(8): H04L7/00H04L12/863
CPCH04L7/005H04L7/0091H04L47/6245
Inventor 李攀杨海波蔡叶芳霍卫涛王玉欢
Owner 西安翔腾微电子科技有限公司