WIZ105SR (not recommended for new design)
Overview
WIZ105SR is the serial to Ethernet module using W5100 & 8051 MCU. WIZ105SR 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.
Features
- Serial to Ethernet Module based on W5100 & 8051
- Pin-header type, RJ-45 mounted module
- Serial signals : TXD, RXD, RTS, CTS, GND
- Support the configuration method of AT command & Configuration tool program
- 10/100Mbps Ethernet & Max.230kbps serial speed
- Support WIZ VSP (Virtual Serial Port) program
Hardware Specification
- Pin Header Connector Type : 2mm Pitch (6×2)
- Dimension (mm) : 40(L) x 62 (W) x 17 (H)
- Input Voltage : 3.3V
- Max. Power Consumption : 200mA
- Operation Temperature : 0~80℃
- RoHS, SVHC Compliant
Utilities
- Configuration Tool for Windows
- WizVSP: Virtual Serial Port (COM port) for User’s Programs
Hardware Interface

Download
Documents
WIZ105SR User Manual v1.3.0
- Last Update: 2017.02.28
WIZ100SR/ WIZ105SR/ WIZ110SR Programmer’s Guide
- Last Update: 2013.06.19
Firmware
Firmware v5.13
- Last Update: 2015.03.27
- Improved the exception for infinite loop during using socket functions : Apply time-out mechanism
- Bug Fixed : side effect of AT command
WIZ105SR Old Firmware
- V5.11 (2015.01.21)
- 5.10 (2014.01.14)
- 4.32 (2013.11.21)
- 4.31 (2013.01.30)
- 4.1 (2012-04-03)
Utilities
WIZ100SR /WIZ105SR /WIZ110SR Config Tool for Windows v3.0.2
- Last Update: 2013.06.27
- WIZ1xxSR Config Tool Installation Package
- WIZ1xxSR Config Tool Source Code
Device Terminal Program for Windows
- Last Update: 2015.08.05
- Simple Configuration & Testing for WIZnet Serial to Ethernet Modules
WIZVSP Program for Windows
- Last Update: 2017. 04. 28
- Virtual Serial COM Port program: It can be used to change the device that is connected to the PC through the existing serial interface to control by the remote Ethernet network.
- If you agree with the End User License Agreement for WIZVSP, you will be able to download the program and get a registration key. When registering the product with license agreement, the MAC address of the product in use and the email address of the contact person are required.
Hardware Design Guide
Reference Schematic for WIZ105SR V1.0
WIZ105SR PinHeader Description