KSZ9031MNX Gigabit Ethernet Transceiver with GMII/MII Support Features Target Applications Single-Chip 10/100/1000 Mbps Ethernet Trans- Laser/Network Printer ceiver Suitable for IEEE 802.3 Applications Network Attached Storage (NAS) GMII/MII Standard Interface with 3.3V/2.5V/1.8V Network Server Tolerant I/Os Broadband Gateway Auto-Negotiation to Automatically Select the Gigabit SOHO/SMB Router Highest Link-Up Speed (10/100/1000 Mbps) and IPTV Duplex (Half/Full) IP Set-Top Box On-Chip Termination Resistors for the Differential Game Console Pairs IP Camera On-Chip LDO Controller to Support Single 3.3V Supply Operation Triple-Play (Data, Voice, Video) Media Center Media Converter 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 Cus- tom-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 Reg- ister 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.) 64-pin QFN (8 mm 8 mm) Package 2016-2017 Microchip Technology Inc. DS00002096E-page 1KSZ9031MNX 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: