WIZ812MJ Ethernet SPI/Bus Module

  • 605-05110 WIZ812MJ Ethernet SPI/Bus Module
  • 605-05110 WIZ812MJ Ethernet SPI/Bus Module Back View
Product Not Available
Product ID 605-05110


WIZ812MJ is the network module that includes W5100 (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 W5100 and Transformer. The WIZ812MJ is an ideal option for users who want to develop their Internet enabling systems rapidly.

Key Features:

  • Supports 10/100 Base TX
  • Supports half/full duplex operation
  • Supports auto-negotiation and auto cross-over detection
  • IEEE 802.3/802.3u Compliance


  • Operates 3.3V with 5V I/O signal tolerance
  • Supports network status indicator LEDs
  • Includes Hardware Internet protocols: TCP, IP Ver.4, UDP, ICMP, ARP, PPPoE, IGMP
  • Includes Hardware Ethernet protocols: DLC, MAC
  • Supports 4 independent connections simultaneously
  • Supports MCU bus Interface and SPI Interface
  • Supports Direct/Indirect mode bus access
  • Supports Socket API for easy application programming
  • Interfaces with two 2.54mm pitch 2 x 10 header pin

Key Specifications:

  • Power Requirements: 3.3 VDC, 185mA
  • Communication Interface: MCU bus Interface and SPI Interface
  • Operating temperature: 32 to +158 °F (0 to +70 °C)
  • Dimensions: 2.19W x 0.98H x 0.93D in (55.5W x25H x 23.5D mm) 

Downloads & Documentation

Download Details More Info
WIZ812MJ Ethenet Module Datasheet - 1.12 MB | updated: 21 Sep 2012 - 11:23 am