The Intel® 82562GT 10/100 Mbps Platform LAN Connect is a highly-integrated device designed for 10 or 100 Mbps Ethernet systems. It is based on the IEEE 10BASE-T and 100BASE-TX standards. The IEEE 802.3u standard for 100BASE-TX defines networking over two pairs of Category 5 unshielded twisted pair cable or Type 1 shielded twisted pair cable. The 82562GT complies with the IEEE 802.3u Auto-Negotiation standard and the IEEE 802.3x Full Duplex Flow Control standard. The 82562GT also includes a PHY interface compliant to the current platform LAN connect interface.The 82562GT PLC is a 3.3 V device in a 48-pin Shrink Small Outline Package (SSOP) that is designed to work only in Data Terminal Equipment (DTE) mode. In normal operating mode, the 82562GT incorporates all active circuitry required to interface with the Intel® ICHx device with an integrated 10/100 Mbps LAN controller. The 82562GT supports a direct interface to all Media Access Control (MAC) components that meet the Platform LAN connect interface specification. Figure 1 shows a block diagram of the 82562GT architecture.The 82562GT supports a LAN Connect Interface (LCI) as specified in the LCI Specification. The LAN Connect is the I/O Control Hub 2 (ICH2) interface to the 82562GT. The LCI uses an 8-pin interface, which reduces the pin count from 15, for an Media Independent Interface (MII) PHY. In addition, its signaling protocol provides greater functionality, such as dynamic power reduction, from a PLC in comparison to a standard MII PHY.
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