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General Description

The KSZ8041NL is a single supply 10Base-T/100Base-TX Physical Layer Transceiver, which provides MII/RMII 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.

The KSZ8041NL represents a new level of features and performance and is an ideal choice of physical layer transceiver for 10Base-T/100Base-TX applications.

The KSZ8041RNL is an enhanced RMII version of the KSZ8041NL that does not require a 50MHz system clock. It uses a 25MHz crystal for its input reference clock and outputs a 50MHz RMII reference clock to the MAC. The KSZ8041NL and KSZ8041RNL are available in 32-pin, lead-free MLF® (QFN per JDEC) packages (See Ordering Information).

特性 Features

• Single-chip 10Base-T/100Base-TX physical layer solution

• Fully compliant to IEEE 802.3u Standard

• Low power CMOS design, power consumption of <180mW

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

• Robust operation over standard cables

• Power down and power saving modes

• MII interface support (KSZ8041NL only)

• RMII interface support with external 50MHz system clock (KSZ8041NL only)

• RMII interface support with 25MHz crystal/clock input and 50MHz reference clock output to MAC(KSZ8041RNL only)

• MIIM (MDC/MDIO) management bus to 6.25MHz for rapid PHY register configuration

• Interrupt pin option

• Programmable LED outputs for link, activity and speed

• ESD rating (6kV)

• Single power supply (3.3V)

• Built-in 1.8V regulator for core

• Available in 32-pin (5mm x 5mm) MLF® package

Applications

•Printer

•LOM

•Game Console

•IPTV

•IP Phone

•IP Set-top Box