Configurable interface expansion module based on FPGA

By integrating two chips on the FPGA board and providing high-bandwidth data transmission, combined with an expansion interface module, the problems of poor reusability and scalability of SRAM-type FPGA configuration control systems are solved, and efficient interface expansion for rapid configuration and multi-board connection is achieved.

CN223637980UActive Publication Date: 2025-12-05HEFEI YULIAN INTELLIGENT CONTROL ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422800814.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-18
Publication Date
2025-12-05
Estimated Expiration
2034-11-18

AI Technical Summary

Technical Problem

Existing SRAM-based FPGA configuration control system architectures suffer from poor reusability and scalability of configuration interfaces, and have long configuration times, failing to meet the need for rapid configuration.

Method used

Design an FPGA-based configurable interface expansion module, including an FPGA chip, an expansion interface module, a configuration control module, and a data bus control module. By integrating two FPGA chips on an FPGA board and providing a maximum bandwidth of 100Gbps and 8 bus data transmissions between the chips, it supports simple configuration of multi-FPGA chip systems and connects peripherals through the expansion interface module to achieve multi-board connectivity.

Benefits of technology

It achieves high-performance multi-FPGA chip system configuration, provides rich configuration interfaces, shortens configuration time, reduces interference between multiple structures, and enhances the scalability and reusability of the system.

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Abstract

The utility model provides a configurable interface expansion module based on an FPGA (Field Programmable Gate Array). The configurable interface expansion module comprises an FPGA chip; the expansion interface module is arranged on one side of the FPGA chip, a configuration control module is arranged on one side of the expansion interface module, and a data bus control module is arranged on one side of the configuration control module. According to the FPGA-based configurable interface expansion module provided by the utility model, two FPGA chips are integrated on an FPGA board, an FPGA interconnection line between the two FPGA chips provides bandwidth, and a bus transmits data at the same time, so that a simple and configurable mode is provided for a user to utilize a multi-FPGA chip system, and the FPGA-based configurable interface expansion module has relatively high performance; in addition, the FPGA board can be connected with peripheral equipment through the expansion interface module, multi-board connection can also be achieved through the expansion interface module, interference among multiple structures is small, and various choices are provided for users.
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