WIZ140SR is an embedded module based on WIZnet W5300 &  ARM Cortex-M3. WIZ140SR is the protocol converter that transmits the data sent by serial equipment as TCP/IP data type, and converts back the TCP/IP data received through the network into serial data to transmit back to the equipment.

  • Serial to Ethernet Module based on W5300 & Cortex-M3
  • Pin-header mounted module
  • Serial signals : TXD, RXD, RTS, CTS, GND signals (4 UART/RS-232C)
  • Support the configuration method of AT command & Configuration tool program
  • 10/100Mbps Ethernet & Max.115.2kbps serial speed
  • Support WIZ VSP (Virtual Serial Port) program
Hardware Specification
  • Pin Header Connector Type : 2.5mm Pitch (1×14, 2×14)
  • Dimension (mm) : 48 x 36 x 16
  • Input Voltage : 3.3V
  • Max. Power Consumption : 250mA
  • Operation Temperature : 0 ~ 70℃
  • RoHS, SVHC Compliant
  • Configuration Tool for Windows
  • WizVSP: Virtual Serial Port (COM port) for User’s Programs
Pin Assignment

WIZ140SR & WIZ145SR User’s Munual v2.0.1

  • Last Update: 2013.07.13

WIZ140SR & WIZ145SR Datasheet v1.00

  • Last Update: 2012.06.04

Firmware v1.6.4

  • Last Update: 2015.01.07
  • Telnet mode is added
  • Bug fix about serial data corruption with data from ethernet
  • Bug fix with Data packing condition ‘Size’

Firmware v1.6.1

  • Last Update: 2013.11.18
  • Bug fixed : The previous firmware has error, when trying to connect to the remote server

Firmware v1.6.0

  • Last Update: 2013.08.07
  • Baud rate : 600 bps added
  • The format of Serial cmd WnBU/RnBU got changed
  • Debug message displays current network information
  • The notation of firmware version was changed to x.x.x

Firmware v1.5.2

  • Last Update: 2013.06.11
  • Bug fixed : When transmitting to WIZ140/145SR more than  8K bytes data continuously, some data is lost

Firmware v1.5

  • Last Update: 2013.04.18
  • Optimize the code by reflecting W5300 erratum4 & erratum5

WIZ140SR /WIZ145SR Configuration Tool for Windows v1.7

  • Last Update: 2015.01.07

Device Terminal Program for Windows

  • Last Update: 2015.08.05
  • Simple Configuration & Testing for WIZnet Serial to Ethernet Modules
Hardware Design Guide

Reference Schematic for WIZ140SR & WIZ145SR V1.0

  • Last Update: 2010.04.27