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Network apparatus and transmission method thereof

A network device and data technology, applied in transmission systems, digital transmission systems, data exchange networks, etc., can solve the problems of complex circuit design, slow data transmission speed, and increased circuit board circuit design.

Active Publication Date: 2008-11-12
REALTEK SEMICON CORP
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] Since the network device uses the MDC / MDIO interface to read register data, more transmission lines must be provided, thereby occupying more circuit board area and increasing the circuit design on the circuit board, especially like the media access controller 10' of the switching device. Coupled with multiple physical layer devices 20', therefore, the circuit design on the circuit board will become much more complicated
In addition, due to the slow data transmission speed of the MDC / MDIO interface, there is room for improvement

Method used

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  • Network apparatus and transmission method thereof
  • Network apparatus and transmission method thereof

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Embodiment Construction

[0031] In order to have a further understanding and understanding of the structural features and achieved effects of the present invention, preferred embodiments and detailed descriptions are provided as follows.

[0032] The network device and its transmission method of the present invention can be applied to a switching device. During the operation of the network device, an interface (such as: serial / deserialization (SERDES) interface, MII interface, GMII, RMII) is used as a transmission interface to communicate with each other. Transfer data and access the data of each other's registers.

[0033] Please refer to FIG. 2 , which is a block diagram of a switching device according to an embodiment of the present invention. As shown in the figure, this embodiment is applied to a switching device, which includes a MAC 10 and a physical layer device 20 . Since multiple computers are coupled in the application of the switching device, the MAC layer 10 is coupled to multiple physic...

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Abstract

The invention relates to a network device and a transmission method thereof. The network device comprises a first network device and a second network device. The first network device generates a sequential command data according to at least one command, and the first network device inserts the sequential command data into the clearance between the packet data and sends to the second network device when outputting the packet data to the second network device. The second network device accesses the data in a register of the second network device according to the received sequential command data. The network device and the transmission method of the invention can simplify the transmission circuit, improve heat dissipation efficiency, ensure correct transmission signals and read the register data correctly.

Description

technical field [0001] The invention relates to a chip, in particular to a communication between chips. Background technique [0002] With the vigorous development of network applications, the dependence of individuals and enterprises on the network is becoming more and more important. Especially the use of Ethernet (Ethernet) has become an important part of the network world. [0003] During the communication process of chips, they will be connected with each other to transmit data or transmit signals, and will access the data of each other's registers to understand each other's status. Figure 1 shows a switching device. The switching device includes a media access controller (Media Access Control, MAC) 10' and multiple physical layer devices (Physical Layer, PHY) 20', which are different chips. In the IEEE 802.3 specification, data packets are transmitted through a media independent interface (such as Media Independent Interface, MII, GigabitMedia Independent Interface,...

Claims

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Application Information

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IPC IPC(8): H04L1/00H04L1/16H04L12/56H04L29/06H04L45/60
Inventor 袁国华
Owner REALTEK SEMICON CORP
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