page_title: Ethernut
section_title: Hardware
hierarchical_section_title: Ethernut / Hardware
caption_attribution_description: Deutsch: Ethernut 5.0F Board
context_page_description: Ethernut is an open source hardware and software project for use as an embedded-Ethernet-system.
context_section_description: Currently four different reference designs exist (Ethernut 1, Ethernut 2, Ethernut 3 and Ethernut 5) which are available as ready to use boards.
  All reference designs share the same set of interfaces:
  Ethernet Connector
  RS-232 ports
  Power connector
  Nearly all I/O pins of the microcontroller are available on an expansion port
  The designs mainly differ in the used microcontroller (Ethernut 1 & 2: 8-bit AVR, Ethernut 3 & 5: 32-bit ARM) and the available memory size. 
  Since the Ethernut 3 board an MMC slot is available. Ethernut 5 also includes USB host and device interfaces.
caption: Ethernut 5.0F
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