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  • ioShield-K
  • WIZ550io Module ver.1.1
  • WIZ550io Pinout ver.1.1
  • GR-Kurumi Pin Layout


Excl. Tax: €18.50 Incl. Tax: €22.02

Quick Overview

ioShield-K is an Ethernet Shield for GR-KURUMI(Gadget Renesas KURUMI) and Arduino Pro Mini 3.3V.



ioShield-K is an Ethernet Shield for GR-KURUMI(Gadget Renesas KURUMI).

The ioShield-K allows a GR-KURUMI board to connect to the internet. It is based on the Wiznet W5500 ethernet chip (W5500 Datasheet). The Wiznet W5500 provides a network (IP) stack capable of both TCP and UDP. It supports up to eight simultaneous socket connections. Use the Ethernet library(WIZ_Ethernet_Library) to write sketches which connect to the internet using the shield. The ioShield-K connects to an GR-KURUMI board using long wire-wrap headers which extend through the shield.



Gadget Renesas is a promotion project to offer a series of boards and “easy to start with” cloud-based software environment for people who have no embbeded programming experience, for embedded professionals to do rapid prototyping.



GR-KURUMI is the reference board that incorporates the RL78G14 (Renesas 16-bit low-power consumption MCU). Compatible with Arduino Pro Mini, this new board can use existing sample codes, ensuring easy use with Arduino language and standard libraries from both hardware and software aspects.

Additional Information

Dimension 70 x 55 mm
Ethernet I/F PHY
Operating Temperature 0°C to +70°C
Operating Voltage N/A
Functions N/A
Auto Negotiation Yes
Network sockets count 8
internal DPRAM buffer memory 32k
Package N/A
pin count -
auto MDIX N/A
Wake on Lan N/A
Power Down Mode Yes
typ. Power Consumption 135 mA
SPI (max. speed) 85 MHz
PHY chip internal
Related Chip/Module N/A
Ethernet connector N/A
pin pitch N/A
MAC address inside Yes
PoE possible N/A
Ethernet Speed 10/100
parallel memory bus N/A
Manufacturer No

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