KSZ9031RNX Gigabit Ethernet Transceiver with RGMII Support Features Single-Chip 10/100/1000 Mbps Ethernet Trans- Operating Voltages ceiver Suitable for IEEE 802.3 Applications - Core (DVDDL, AVDDL, AVDDL PLL): 1.2V RGMII Timing Supports On-Chip Delay According (External FET or Regulator) to RGMII Version 2.0, with Programming Options - VDD I/O (DVDDH): 3.3V, 2.5V, or 1.8V for External Delay and Making Adjustments and - Transceiver (AVDDH): 3.3V or 2.5V (Com- Corrections to TX and RX Timing Paths mercial Temp.) RGMII with 3.3V/2.5V/1.8V Tolerant I/Os AEC-Q100 Grade 3 (KSZ9031RNXUA/UB) and Auto-Negotiation to Automatically Select the Grade 2 (KSZ9031RNXVA/VB) Qualified for Auto- Highest Link-Up Speed (10/100/1000 Mbps) and motive Applications Duplex (Half/Full) 48-pin QFN (7 mm 7 mm) Package On-Chip Termination Resistors for the Differential Pairs Target Applications On-Chip LDO Controller to Support Single 3.3V Laser/Network Printer Supply Operation Requires Only One External FET to Generate 1.2V for the Core Network Attached Storage (NAS) Jumbo Frame Support up to 16 KB Network Server 125 MHz Reference Clock Output Gigabit LAN on Motherboard (GLOM) Energy Detect Power-Down Mode for Reduced Broadband Gateway Power Consumption When the Cable is Not Gigabit SOHO/SMB Router Attached IPTV Wake-On-LAN (WOL) Support with Robust Cus- IP Set-Top Box tom-Packet Detection Game Console Programmable LED Outputs for Link, Activity, and Triple-Play (Data, Voice, Video) Media Center Speed Industrial Control Baseline Wander Correction Automotive In-Vehicle Networking 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 Reg- ister Configuration Interrupt Pin Option Power-Down and Power-Saving Modes 2016-2021 Microchip Technology Inc. DS00002117H-page 1KSZ9031RNX TO OUR VALUED CUSTOMERS It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and enhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via E-mail at docerrors microchip.com. We welcome your feedback. Most Current Data Sheet To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at: