WIZ820io is the compact-sized network module that includes W5200 (TCP/IP & Ethernet MAC & 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 W5200 and MAG Jack. The WIZ820io is an ideal option for users who want to develop their Internet enabling systems rapidly.

Key Features
  • Plug-in Network Module
  • Usable without H/W design for W5200, transformer & RJ-45
  • Fast evaluation for W5200 & MCU in the target board
  • Support high speed SPI interface
  • Support 8 hardware sockets
  • Support power down mode and Wake-on-LAN function
  • Very small form factor (PCB size : 23mm x 25mm)
Pin Assignment

WIZ820io Datasheet v1.0

  • Last Update: 2013.06.08

WIZ820io Hardware Guide

  • WIZ820io Schematic (V 1.0.5)
  • WIZ820io Part List (V1.0)


  • AX1 Loopback Test Program, Install version