W5100S-io is a compact size network module that includes a W5100S (TCP/IP hardwired chip and PHY embedded).It can be used as a component and no effort is required to interface W5100S. The W5100S-io an ideal option for users who want to develop their Internet enabling systems rapidly. W5100S-io is hardware compatible with W5500-io and W6100-io.


  • Plugin Network Module.
  • Hardware compatible with W5500-io, W6100-io.
  • Usable without H/W design for W5100S.
  • Fast evaluation for W5100S & MCU in the target board.
  • Support high speed SPI interface.
  • Support power down mode and Wake-on-LAN function
  • Very small form factor : 20mm x 24mm x 2.6mm

W5100S-io Docs

Schematic & Part list & Gerber

Ethernet Library