A FPGA-based multi-functional communication interface conversion device and method

A technology of communication interface and conversion equipment, applied in the fields of information communication and electronic information, can solve the problem of non-uniform communication interface, and achieve the effect of flexible application, perfect function and high degree of integration

Inactive Publication Date: 2007-12-12
CENT SOUTH UNIV
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  • Abstract
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Problems solved by technology

Because each manufacturer considers the characteristics of their own products and their own technical advantages, the communication interfaces of different products on the market are not unified.

Method used

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  • A FPGA-based multi-functional communication interface conversion device and method
  • A FPGA-based multi-functional communication interface conversion device and method

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Experimental program
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Embodiment Construction

[0025] The present invention will be further described below in conjunction with the accompanying drawings.

[0026] 1. Hardware design

[0027] The hardware structure of the multifunctional communication interface conversion device is shown in Figure 2. The power management module outputs three voltages of 5V, 3.3V and 1.5V. Among them, 5V supplies power to each interface module, while 3.3V and 1.5V supply FPGA. This part of the design only needs to use a general voltage regulator chip to meet the application requirements. The actual 5V power supply uses chip MAX6065, and the 3.3V and 1.5V power supply uses chips ASM1117-3.3 and ASM1117-1.5.

[0028]The FPGA module uses Altera's low-cost chip EP1C6Q240C8, which has a total of 5980 logic units, 185 available IO pins, and a memory of 92160 bits. It uses 1.5V to supply power to the core and 3.3V to supply power to the IO pins. This chip has rich internal resources. , which can fully meet the application requirements of this d...

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Abstract

A multi-function communication interface conversion device based on FPGA is disclosed, which includes Ethernet interface, CAN interface, USB interface, RS232 interface, four communication interface modules and a FPGA control module, and the received data by one interface can be transmitted to other interface by FPGA controlling the four interface modules to realize the data communication between four different interfaces. The invention has characteristics of high integration, perfect function, fast converting speed and agility application, and it provides easy and efficient solving scheme for four kinds of communication interface to communicate data.

Description

technical field [0001] The invention belongs to the technical field of electronic information, especially the field of information communication. technical background [0002] Networking is a main direction of the development of electronic products at present. Each electronic product not only needs to realize certain functions, but also requires a data communication interface to facilitate interconnection with other products. Therefore, each electronic product or device often Reserve a standard communication interface. Because each manufacturer considers the characteristics of their own products and their own technical advantages, the communication interfaces of different products on the market are not unified. [0003] Ethernet interface is currently the main interface for mutual communication between computers. Ethernet has now penetrated into every corner of the world. If Ethernet interface is also used as data communication interface in embedded products, on the one han...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/46H04L12/56H04L12/28H04L49/111
Inventor 邓宏贵李志坚吴让亮
Owner CENT SOUTH UNIV
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