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The ATmega256RFR2 Xplained Pro starter kit is ideal for evaluation and prototyping with the ATmega256RFR2 microcontroller. The ATmega256RFR2 Xplained Pro board is available as an evaluation kit or starter kit. Extension boards can also be individually purchased.

The ATmega256RFR2-XSTK starter kit includes the Atmel I/O1 Xplained Pro, OLED1 Xplained Pro, and PROTO1 Xplained Pro extension boards.

If all you need is just the MCU evaluation board, the ATmega256RFR2-XPRO evaluation kit is available and does not include extension boards.

Key Features

  • ATmega256RFR2 microcontroller
  • One mechanical reset button
  • One mechanical user pushbutton — Wake-up, bootloader entry or general purpose
  • One yellow user LED
  • 32.768kHz crystal
  • 16MHz crystal
  • 5 Xplained Pro extension headers (2 headers are duplicates)
  • Antenna diversity — Ceramic RF antenna and SMA connector for external antenna
  • Temperature sensor
  • Embedded debugger — Auto-ID for board identification in Atmel Studio. One yellow status LED. One green board power LED. Symbolic debug of complex data types including scope information. Programming. Data Gateway Interface: SPI, TWI, 4 GPIOs. Virtual COM port (CDC).
  • USB powered
  • Supported with application examples in Atmel Software Framework

Ordering Code Atmel Store Availability1 Unit Price2 Buy Online

1Backlog orders can be placed for items currently not available.
2Suggested retail price per unit for budgetary use only.


Lightweight Mesh Software Stack v1.2.1
Lightweight Mesh Software Stack v1.2.1
(1.6MB, updated March 2014)

version 1.2.1
Includes example applications, documentation and source code

Contents: ATmega256RFR2-XPRO MCU board; I/O1, OLED1, and PROTO1 extension boards; 2 micro USB cables