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CPCI Giga Bit Ethernet board card with strong real-time performance and data communication method

A Gigabit Ethernet and real-time communication technology, which is applied in the direction of electrical digital data processing, electrical components, transmission systems, etc., can solve the problems of poor real-time data transmission of Ethernet boards, and solve the problem of data transmission delay and meet real-time requirements. The effect of transmission and flexible plugging

Active Publication Date: 2022-02-01
XIAN MICROELECTRONICS TECH INST
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problems existing in the prior art, the present invention provides a strong real-time CPCI Gigabit Ethernet board card and a data communication method to solve the problem of poor real-time data transmission of the current Ethernet board

Method used

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  • CPCI Giga Bit Ethernet board card with strong real-time performance and data communication method
  • CPCI Giga Bit Ethernet board card with strong real-time performance and data communication method
  • CPCI Giga Bit Ethernet board card with strong real-time performance and data communication method

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Embodiment Construction

[0039] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0040] like figure 1 As shown, the present invention provides a strong CPCI Gigabit Ethernet board, including a PCI bus controller 1, a programmable sheet system, an optical module 2, and the optical module is a photoelectric conversion module, a high speed memory 7. High-speed memory 7 is connected to the programmable system to store the process data in the event of Ethernet. The photoelectric conversion module is connected to the programmable piece, which is used to implement the photoelectric conversion of the Ethernet physical layer PHY. The PCI bus controller 1 is connected to the programmable piece to enable command and data transmission between the PCI bus and the programmable system.

[0041] Specifically, the system is composed of a programmable logic block and a processing unit. The programmable logic block includes a logic control module 1...

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Abstract

The invention discloses a CPCI Giga Bit Ethernet board card with strong real-time performance and a data communication method. The CPCI Giga Bit Ethernetboard card comprises a PCI bus controller, a programmable system-on-chip, a photoelectric conversion module and a high-speed memory, wherein the high-speed memory is connected with the programmable system-on-chip, and is used for storing process data in Ethernet real-time communication, and the programmable system-on-chip is a control center of the Ethernet board card. According to the invention, an ARM controller customizes a data protocol of Ethernet communication, so that fixed-period reliable transmission of data can be realized, and the problem of data transmission delay caused by an overtime retransmission mechanism of a traditional TCP / IP protocol is solved; and a direct data storage channel is established between a high-speed memory on the board card and Ethernet communication, so that the work of processing a large amount of data by the ARM processor is liberated, the data transmission efficiency is improved, and high-speed large-amount real-time data communication of the Ethernet can be realized.

Description

Technical field [0001] The invention belongs to the technical field of computer applications, specific to a strong CPCI Gigabit Ethernet board and data communication method. Background technique [0002] Ethernet is currently using the most widely used local area network communication technology, with the continuous expansion of Ethernet applications, the use of aerospace and military applications is increasingly wide. With the continuous upgrade of product performance, communication rates and real-time requirements are increasing. The overtime retransmission mechanism of the traditional TCP / IP protocol will bring the transmission delay problem, which cannot meet the strong time requirements in aerospace and military. Inventive content [0003] In order to solve the problems present in the prior art, the present invention provides a strong CPCI Gigabit Ethernetboard card and data communication method to solve the problem of current transmission of the data transmission of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L41/0803H04L69/06G06F13/42
CPCH04L41/0803H04L69/06G06F13/4221
Inventor 王晓洁张坤程杰马元元
Owner XIAN MICROELECTRONICS TECH INST
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