Network interface card controller and controlling method thereof

Network interface card controller and controlling method thereof

  • CN 100,505,764 C
  • Filed: 01/26/1999
  • Issued: 06/24/2009
  • Est. Priority Date: 08/17/1998
  • Status: Active Grant
First Claim
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1. network interface card controllerand, by central processing unit controls, described network interface card controllerand is connected to a network by functionality, network interface and protocol processes function, and this network interface card controllerand comprises:

  • Main Processor Unit has and is used to respond software program produces order on bus Programmable Logic Controller, and described main processor unit is further used for receiving input on described bus;

    WithBe electrically connected to a plurality of network interface unit of described bus, each network interface unit comprises;

    A plurality of protocol processes devices, each protocol processes device allows a kind of predetermined communication protocol, wherein the protocol signal that the input communication signal processing is become to generate according to described predefined communication protocol;

    Call control apparatus, be used for receiving information from described Main Processor Unit, and the information of described reception sent to by the call treatment state that is included in the described input communication number as the input communication signal determine to come selected protocol processing unit, described call control apparatus is further used for producing switch-over control signal;

    The digital junction unit is used for responding described switch-over control signal and the protocol signal that generates is applied to selected of a plurality of physics layer lines;

    WithSIU system interface unit is used for from described Main Processor Unit received signal, and is the input communication signal with the signal application of described reception.

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