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System and method for realizing multipath serial data transmission based on Ethernet PHY chip

A serial data and transmission system technology, applied in transmission systems, electrical digital data processing, electrical components, etc., can solve problems such as low efficiency, high cost, and many components, achieve high cost, reduce cables, data, etc. Transfer fast effects

Active Publication Date: 2019-10-01
深圳市三旺通信股份有限公司
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

Therefore, the efficiency is relatively low, and the required components make the cost high

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  • System and method for realizing multipath serial data transmission based on Ethernet PHY chip

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Embodiment Construction

[0021] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0022] To achieve the above object, the technical solution of the present invention is as follows.

[0023] The invention provides a multi-channel serial data transmission system based on an Ethernet PHY chip, which is characterized in that the system includes two master devices and slave devices used in pairs, the master device and the slave device are the same, and the master device Both the device and the slave device include a serial port circuit module, a logic circuit module, a receiving control module, a PHY chip module and a data transmission module, the data transmission module of the mast...

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Abstract

The invention provides a system and a method for realizing multipath serial data transmission based on an Ethernet PHY chip. The system is characterized by comprising a master device and a slave device which are used in pairs, wherein the master device and the slave device are the same, each of the master device and the slave device comprises a serial port circuit module, a logic circuit module, areceiving control module, a PHY chip module and a data transmission module, and the data transmission module of the master device is connected with the data transmission module of the slave device. In the system, the TXEN and the RXDV of the PHY are used for transmitting the serial port data, and the data transmission can be independently completed only by the PHY (without MAC and FPGA). Throughthe connection of the master device and the slave device and the composition of modules of the master device and the slave device, the system for realizing multi-channel serial data transmission basedon the Ethernet PHY chip can be provided, the transmission distance can be effectively prolonged, cables can be reduced, and the cost can be better reduced.

Description

technical field [0001] The invention belongs to the technical field of electronic circuits, in particular to the field of data transmission based on an Ethernet PHY chip. Background technique [0002] There are a large number of terminal devices in traditional industrial sites, and most of their interfaces are field bus interfaces, such as RS-485, RS-232, etc. The longest transmission distance of these devices is 1.2kM, the transmission distance is short, and there are many cables. The existing serial port devices still have the following characteristics: most of them use PHY+CPU as the serial port server, while those with CPU use the Ethernet protocol, which converts the serial port data into Ethernet data and sends it to the PHY, which is equivalent to It is used for a third-party protocol and transmits data through the third-party protocol; in addition, when using the PHY chip to transmit data, it transmits data through its TXD terminal and RXD terminal, and TXEN and RXD...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40G06F13/42H04B1/40
CPCG06F13/4282G06F13/4068H04B1/40
Inventor 熊伟宋晨
Owner 深圳市三旺通信股份有限公司
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