特性 Features

? Single-Chip 10/100/1000 Mbps Ethernet Transceiver

Suitable for IEEE 802.3 Applications

? RGMII Timing Supports On-Chip Delay According

to RGMII Version 2.0, with Programming Options

for External Delay and Making Adjustments and

Corrections to TX and RX Timing Paths

? RGMII with 3.3V/2.5V/1.8V Tolerant I/Os

? Auto-Negotiation to Automatically Select the

Highest Link-Up Speed (10/100/1000 Mbps) and

Duplex (Half/Full)

? On-Chip Termination Resistors for the Differential

Pairs

? On-Chip LDO Controller to Support Single 3.3V

Supply Operation – Requires Only One External

FET to Generate 1.2V for the Core

? Jumbo Frame Support up to 16 KB

? 125 MHz Reference Clock Output

? Energy Detect Power-Down Mode for Reduced

Power Consumption When the Cable is Not

Attached

? Wake-On-LAN (WOL) Support with Robust Custom-

Packet Detection

? Programmable LED Outputs for Link, Activity, and

Speed

? Baseline Wander Correction

? LinkMD TDR-Based Cable Diagnostic to Identify

Faulty Copper Cabling

? Parametric NAND Tree Support to Detect Faults

Between Chip I/Os and Board

? Loopback Modes for Diagnostics

? Automatic MDI/MDI-X Crossover to Detect and

Correct Pair Swap at all Speeds of Operation

? Automatic Detection and Correction of Pair

Swaps, Pair Skew, and Pair Polarity

? MDC/MDIO Management Interface for PHY Register

Configuration

? Interrupt Pin Option

? Power-Down and Power-Saving Modes

? Operating Voltages

- Core (DVDDL, AVDDL, AVDDL_PLL): 1.2V

(External FET or Regulator)

- VDD I/O (DVDDH): 3.3V, 2.5V, or 1.8V

- Transceiver (AVDDH): 3.3V or 2.5V (Commercial

Temp.)

? AEC-Q100 Grade 3 (KSZ9031RNXUA/UB) and

Grade 2 (KSZ9031RNXVA/VB) Qualified for Automotive

Applications

? 48-pin QFN (7 mm × 7 mm) Package

Target Applications

? Laser/Network Printer

? Network Attached Storage (NAS)

? Network Server

? Gigabit LAN on Motherboard (GLOM)

? Broadband Gateway

? Gigabit SOHO/SMB Router

? IPTV

? IP Set-Top Box

? Game Console

? Triple-Play (Data, Voice, Video) Media Center

? Industrial Control

? Automotive In-Vehicle Networking