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LXT9782 Datasheet(PDF) 1 Page - Intel Corporation |
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LXT9782 Datasheet(HTML) 1 Page - Intel Corporation |
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1 / 78 page  LXT9762/9782 Fast Ethernet 10/100 Multi-Port Transceiver with Serial MII Datasheet General Description The LXT9782 is an eight-port PHY Fast Ethernet Transceiver that supports IEEE 802.3 physical layer applications at both 10 and 100 Mbps. The LXT9762 offers the same features and functionality in a six-port device. This data sheet uses the singular designation “LXT97x2” to refer to both devices. The LXT97x2 interfaces multiple Serial Media Independent Interface (SMII) compliant controllers to 10BASE-T and/or 100BASE-TX media. All network ports provide a combination twisted-pair (TP) or pseudo-ECL (PECL) interface for a 10/100BASE-TX or 100BASE-FX connection. The LXT97x2 provides three discrete LED drivers for each port, and eight global serial LED outputs. It supports both half- and full-duplex operation at 10 and 100 Mbps and requires only a single 3.3V power supply. Application s 100BASE-T, 10/100-TX, or 100BASE-FX Switches and multi-port NICs. Product Features s Multiple independent IEEE 802.3- compliant 10/100 ports with integrated filters s Proprietary Optimal Signal Processing (OSP™) design improves SNR by 3 dB over ideal analog filters s Robust baseline wander correction for improved 100BASE-TX performance s 100BASE-FX fiber-optic capability on all ports s Supports both auto-negotiation and legacy systems without auto-negotiation capability s JTAG boundary scan s Multiple Serial MII (SMII) ports for independent PHY port operation s Configurable via MDIO port or external control pins s Maskable interrupts s Very low power consumption (400 mW per port, typical) s 3.3V operation s 208-pin PQFP and 272-lead BGA s 0-70oC ambient temperature range As of January 15, 2001, this document replaces the Level One document Order Number: 249039-001 LXT9762/9782 — Fast Ethernet 10/100 Multi-Port Transceiver with Serial MII. January 2001 |
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