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General Description

The KSZ8051 is a single supply 10Base-T/100Base-TX Ethernet physical layer transceiver for transmission and reception of data over standard CAT-5 unshielded twisted pair (UTP) cable.

Features

? Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet Transceiver

? MII Interface support (KSZ8051MNL)

? RMII v1.2 Interface support with 50MHz reference clock output to MAC, and option to input 50MHz reference clock (KSZ8051RNL)

? Back-to-Back mode support for 100Mbps copper repeater or media converter

? MDC/MDIO Management Interface for PHY register configuration

? Programmable interrupt output

? LED outputs for link, activity and speed status indication

? On-chip termination resistors for the differential pairs

? Baseline Wander Correction

? HP Auto MDI/MDI-X for reliable detection and correction for straight-through and crossover cables with disable and enable option

? Auto-negotiation to automatically select the highest link up speed (10/100 Mbps) and duplex (half/full)

? Power down and power saving modes

? LinkMD? TDR-based cable diagnostics for identification of faulty copper cabling

? Parametric NAND Tree support for fault detection between chip I/Os and board.

? Loopback modes for diagnostics

? Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V

? Built-in 1.2V regulator for core

? Available in 32-pin (5mm x 5mm) QFN package

Applications

? Game Console

? IP Phone

? IP Set-top Box

? IP TV

? LOM

? Printer