Product Overview

IOP (Internet Offload Processor)

IOP is the Internet Offload Processor, the one chip solution that integrates MCU and Hardwired TCP/IP cores.


  • W7500P ARM Cortex-M0, 128KB Flash, Hardwired TCP/IP, MAC & PHY
  • W7500ARM Cortex-M0, 128KB Flash, Hardwired TCP/IP, MAC
  • W7100A : 8051 core, 64KB Flash, Hardwired TCP/IP, MAC &PHY

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iEthernet (Ethernet Controller Chip)

iEthernet is the Ethernet controller chip that includes hardwired TCP/IP Core & MAC (&PHY).



w5500_front

Network Module

WIZnet Network module includes an iEthernet chip & MAG-JACK (RJ45 with X’FMR).  As no effort is required to interface iEthernet chip and Transformer, Network module is the ideal option for users who want to develop their Internet enabling system rapidly.



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Serial to Ethernet

The ‘Serial to Ethernet’ (S2E) Products are gateway that converts UART (TTL,  RS-232 or RS-422/485) protocol into TCP/IP. It enables remote gauging, managing and control of TCP/IP devices through an UART serial interface.

WIZnet S2E module supports wide range of pin header types and hardware interfaces.



wiz550s2e_side

Application Module

Application Module has a specific network application such as web server. Users can control & monitor the digital I/O and ADC inputs on module via web pages.


  • WIZ550web : Web Server module using W5500 & Cortex-M3

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WizFi Module (Embedded WiFi Module)

WIZnet’s WizFi modules offer a quick, easy, and cost-effective way for device and appliance manufacturers to add WiFi capabilities to their products. They provide UART or SPI interfaces which enable connections to any 8/16/32-bit microcontroller via simple AT commands.


  • WizFi250 : Single band 2.4GHz IEEE802.11b/g/n WiFi module
  • WizFi210, WizFi220 : Single bans 2.4GH IEEE802.1b WiFi Module

WizFi250-PA