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Download Firmware

Binary Images

WIZ550SR H/W V1.0 / F/W V1.0

  • Full Binary (Boot + App), Uesing the Flash Loader Demonstrator

  • Full Binary (App Boot + App)

Download (Boot + App)
  • App Binary (App), Uesing the WIZnet Configuration Tool

App Binary (App)

Download (App)

Source code (with web pages)

WIZ550SR H/W V1.0 / F/W V1.0

WIZ550SR GitHub Repository V1.0 (Link)

Download Configuration Tool

WIZnet Configuration Tool made Java base. so runs on any OS that JRE be installed. Install JAVA Runtime Environment

  • Click on the Free Java Download button.
  • Install the downloaded installation file.

WIZnet Configuration Tool Version 1.0.3

WIZnet Configuration Tool Version 1.0.3

Download (zip)

Configuration Tool Firmware Upload Guide(TFTP)

Configuration Tool Fw upload guide(TFTP)

Download WIZ550SR EVB USB Driver

In order to use WIZ550SR is required for USB driver(Provided by the FTDI).

Virtual COM Port Drivers.

Download WIZ550SR Firmware Writing Tool

WIZ550SR used a MCU for STmicro. Therefore, Write firmware must use the program provided by STmicro.

STM32 Flash loader demonstrator

Flash Loader Demonstrator


  • WIZ VSP (WIZnet Virtual Serial COM port) is the software for those users who want to use the existing application programs based on serial communication. For more detailed information, please visit the following link and see the bottom of the page.

Go to WIZVSP end user license agreement page:

How to program WIZ550SR code flash memory

  1. WIZ550SR enter the ISP mode

Press the 'Boot' push button switch on WIZ550SR EVB(or BOOT pin) until turn on the board after reset or power supply

  1. Run the 'Flash Loader Demonstrator' Program

Refer to Flash Loader Demonstrator

  1. Flash program and Run the new application firmware

  2. How to WIZ550web Firmware