FPGA-based LVDS high-speed data switch

By using an FPGA-based LVDS high-speed data switch, the problem of existing LVDS signals being unable to achieve multi-master and multi-slave and dynamic routing was solved, enabling flexible interconnection and communication between multiple devices, reducing design and manufacturing costs, and improving operating efficiency.

CN115809210BActive Publication Date: 2026-04-17SHEN ZHEN CHUNG DA ELECTRONIC CO LTD
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Patent Information

Application Number
CN202211656105.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-12-22
Publication Date
2026-04-17
Estimated Expiration
2042-12-22

AI Technical Summary

Technical Problem

Existing LVDS signals cannot achieve multi-master multi-slave, dynamic routing configuration, or high-speed flexible interconnection and communication between multiple devices, and cannot be applied to mesh or star topologies.

Method used

Design an FPGA-based LVDS high-speed data switch, including a port configuration module, a routing configuration module, a data buffer module, a data transceiver module, a clock generation module, and a management interface module. It realizes multi-master and multi-slave parallel communication functions, supports dynamic data routing and flexible port combinations, and adapts to different serial encoding formats and data rates.

Benefits of technology

It enables flexible data routing for multi-point communication, reduces the complexity and cost of hardware and software design for high-speed LVDS data exchange between multiple chips on the board, improves operating efficiency, and is suitable for high-speed LVDS interconnection communication between multiple devices.

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Abstract

The application discloses an FPGA-based LVDS high-speed data switch and belongs to the field of data switches.The FPGA-based LVDS high-speed data switch can be divided into a port configuration module, a routing configuration module, a data cache module, a data transceiving module, a clock generation module and a management interface module according to functions, can provide flexible high-speed data transmission channels for the interconnection between multiple chips on a board-level circuit, has a dynamic data routing function, can transmit data based on an LVDS bus, is suitable for the design of multiple masters and multiple slaves in parallel, provides a good solution for multipoint high-speed LVDS high-speed data transmission, can meet the requirement of flexible interconnection communication between multiple devices at high speed, reduces the complexity of the software and hardware design of the LVDS high-speed data switching between multiple chips on a board, has a market prospect and is suitable for popularization and application.
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