WIZ810Sio is the internet offload network module that includes W5100S (TCP/IP hardwired chip, include PHY), MAG-JACK (RJ45 with X’FMR) with other glue logics. It can be used as a component and no effort is required to interface W5100S and Transformer.
The WIZ810Sio is an ideal option for users who want to develop their Internet enabling systems rapidly.



  • Support Hardwired Internet protocols
    : TCP, UDP, WOL over UDP, ICMP, IGMPv1/v2, IPv4, ARP, PPPoE
  • Support 4 independent SOCKETs simultaneously
  • Supports half/full duplex operation
  • Support SOCKET-less command
    : ARP-Request, PING-Request
  • Support Ethernet Power down mode & Main Clock gating for power save
  • Support Wake on LAN over UDP
  • Supports high speed SPI Interface (SPI mode 0/3)
  • Internal 16Kbytes Memory for TX/ RX Buffers
  • 10BaseT/100BaseTX Ethernet PHY Integrated
  • Support Auto Negotiation (Full and half duplex, 10 and 100-based )
  • Supports Wake On LAN
  • Support Auto-MDIX only when Auto-Negotiation mode
  • 3V operation with 5V I/O signal tolerance
  • Interfaces with two 54mm pitch 1 x 6 header pin

Very small form factor: 23mm x 25mm (PCB size)

Pin Assignment

WIZ810Sio Datasheet v1.0

  • Last Update: 2019.01.15

WIZ810Sio Hardware Guide

  • Coming soon


  • AX1 Loopback Test Program, Install version