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KSZ8051MNL

10BASE-T/100BASE-TX Automotive Physical Layer Transceiver

Microchip Technology 

KSZ8051MNL/RNL

10BASE-T/100BASE-TX Automotive

Physical Layer Transceiver

Features

• Single-Chip 10BASE-T/100BASE-TX IEEE 802.3

Compliant Ethernet Transceiver

• AEC-Q100 Qualified for Automotive Applications

• MII Interface Support (KSZ8051MNL)

• RMII v1.2 Interface Support with a 50 MHz Refer-

ence Clock Output to MAC, and an Option to

Input a 50 MHz Reference Clock (KSZ8051RNL)

• Back-to-Back Mode Support for a 100 Mbps Cop-

per Repeater

• MDC/MDIO Management Interface for PHY Reg-

ister 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 to Reliably Detect and Cor-

rect Straight-Through and Crossover Cable Con-

nections 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 to Iden-

tify Faulty Copper Cabling

• Parametric NAND Tree Support for Fault Detec-

tion Between Chip I/Os and the 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 5 mm x 5 mm QFN Package

Target Applications

• Automotive In-Vehicle Networking

 2016 Microchip Technology Inc.

DS00002310A-page 1

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