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82547GI/82547EI Gigabit Ethernet Controller Networking Silicon Datasheet Product Features

Intel® 82547GI/82547EI GbE Controller: Datasheet


The Intel® 82547GI(EI) Gigabit Ethernet Controller is a single, compact component with integrated Gigabit Ethernet Media Access Control (MAC) and physical layer (PHY) functions. This device uses the Communications Streaming Architecture (CSA) port of the Intel® 865 and Intel® 875 Chipset. The Intel 82547GI(EI) allows for a Gigabit Ethernet implementation in a very small area that is footprint compatible with current generation 10/100 Mbps Fast Ethernet designs.

The Intel 82547GI(EI) integrates Intel’s fifth generation gigabit MAC design with fully integrated, physical layer circuitry to provide a standard IEEE 802.3 Ethernet interface for 1000BASE-T, 100BASE_TX, and 10BASE-T applications (802.3, 802.3u, and 802.3ab). The controller is capable of transmitting and receiving data at rates of 1000 Mbps, 100 Mbps, or 10 Mbps. In addition to managing MAC and PHY layer functions, the controller uses dedicated CSA port capability with a theoretical bandwidth of 266 MB/s.

The 82547GI(EI) on-board System Management Bus (SMB) port enables network manageability implementations required by information technology personnel for remote control and alerting via the LAN. With SMB, management packets can be routed to or from a management processor. The SMB port enables industry standards, such as Intelligent Platform Management Interface (IPMI) and Alert Standard Forum (ASF) 2.0, to be implemented using the 82547GI(EI). In addition, on-chip ASF 2.0 circuitry provides alerting and remote control capabilities with standardized interfaces.

The 82547GI(EI) Gigabit Ethernet Controller with CSA is designed for high performance and low memory latency. The CSA port architecture is invisible to both system software and the operating system, allowing a conventional PCI-like configuration.

Read the full Intel® 82547GI/82547EI GbE Controller datasheet.

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