WIZNet W7500

Configuration:platform = wiznet7500

The IOP (Internet Offload Processor) W7500 is the one-chip solution which integrates an ARM Cortex-M0, 128KB Flash and hardwired TCP/IP core for various embedded application platform especially requiring Internet of things

For more detailed information please visit vendor site.


Debugging - “1-click” solution for debugging with a zero configuration.

Tools & Debug Probes

Supported debugging tools are listed in “Debug” column. For more detailed information, please scroll table by horizontal. You can switch between debugging Tools & Debug Probes using debug_tool option in “platformio.ini” (Project Configuration File).


You will need to install debug tool drivers depending on your system. Please click on compatible debug tool below for the further instructions.

On-Board Debug Tools

Boards listed below have on-board debug probe and ARE READY for debugging! You do not need to use/buy external debug probe.

Name MCU Frequency Flash RAM
WIZwiki-W7500 WIZNET7500 48MHz 128KB 48KB
WIZwiki-W7500ECO WIZNET7500ECO 48MHz 128KB 48KB
WIZwiki-W7500P WIZNET7500P 48MHz 128KB 48KB

Stable and upstream versions

You can switch between stable releases of WIZNet W7500 development platform and the latest upstream version using platform option in “platformio.ini” (Project Configuration File) as described below.


; Latest stable version
platform = wiznet7500
board = ...

; Custom stable version
platform = wiznet7500@x.y.z
board = ...


platform = https://github.com/platformio/platform-wiznet7500.git
board = ...


Name Description
framework-mbed Arm Mbed OS is a platform operating system designed for the internet of things
tool-jlink Software and Documentation Pack for SEGGER J-Link debug probes
tool-pyocd Open source python library for programming and debugging ARM Cortex-M microcontrollers using CMSIS-DAP
toolchain-gccarmnoneeabi GNU toolchain for Arm Cortex-M and Cortex-R processors


Linux Users:

Windows Users:

Please check that you have a correctly installed USB driver from board manufacturer


Name Description
Mbed Arm Mbed OS is an open source embedded operating system designed specifically for the ‘things’ in the Internet of Things. It includes all the features you need to develop a connected product based on an Arm Cortex-M microcontroller, including security, connectivity, an RTOS and drivers for sensors and I/O devices




Name Debug MCU Frequency Flash RAM
WIZwiki-W7500 On-board WIZNET7500 48MHz 128KB 48KB
WIZwiki-W7500ECO On-board WIZNET7500ECO 48MHz 128KB 48KB
WIZwiki-W7500P On-board WIZNET7500P 48MHz 128KB 48KB