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General Description

The KS8001 is a 10BASE-T/100BASE-TX/FX Physical Layer Transceiver, operating the core at 1.8 volts to meet low voltage and low power requirements. The solution provides MII/RMII/SMII interfaces to transmit and receive data. A unique mixed-signal design extends signaling distance while reducing power consumption.

HP Auto MDI/MDI-X provides the most robust solution for eliminating the need to differentiate between crossover and straight-through cables.

Featuring LinkMD cable diagnostics, which allows detection of common cabling plant problems such as open and short circuits, the KS8001 represents a new level of features and performance and is an ideal choice of physical layer transceiver for 100BASE-TX/10BASE T/100BASE-FX applications.

Features

? Single chip 100BASE-TX/100BASE-FX/10BASE-T physical layer solution

? 1.8V CMOS design, power consumption 250 mW

? Robust (130m+) operation over standard cables

? Supports Media Independent Interface (MII), Reduced MII (RMII), and Serial MII (SMII)

? LinkMD feature to determine cable length and diagnose faulty cables up 200 m with +/- 2 m accuracy

? Supports HP MDI/MDI-X auto crossover

? Supports power down mode and power saving mode

? MDC/MDIO to 12.5 MHz for rapid configuration

? Fully compliant to IEEE 802.3u standard

? Supports auto-negotiation and manual selection for 10/100Mbps speed and full / half-duplex mode

? Configurable through MII serial management ports or via external control pins

? Programmable LED outputs for link, activity, full/half duplex, collision and speed

? On-chip built-in analog front end filtering for both 100BASE-TX and 10BASE-T

? Supports back to back, FX to TX for media converter applications

? Single 3.3V power supply with built-in 1.8V regulator (‘L’ parts)

? 48 Pin LQFP, 48 Pin SSOP, 48 Pin QFN (targeted)