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 Reference

Clock Output to MAC, and an Option to

Input a 50 MHz Reference Clock (KSZ8051RNL)

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

Repeater

• 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 to Reliably Detect and Correct

Straight-Through and Crossover Cable Connections

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 Identify

Faulty Copper Cabling

• Parametric NAND Tree Support for Fault Detection

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