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The Atmel® SAM R21 Xplained Pro evaluation kit is a hardware platform to evaluate the ATSAMR21G18A microcontroller. Supported by the Atmel Studio integrated development platform, the kit provides easy access to the features of the Atmel ATSAMR21G18A and explains how to integrate the device in a custom design. The Xplained Pro MCU series evaluation kits include an on-board Embedded Debugger, and no external tools are necessary to program or debug the ATSAMR21G18A. The Xplained Pro extension kits offers additional peripherals to extend the features of the board and ease the development of custom designs.

To begin configuring software for your board, please visit our web-based software configuration tool Atmel START. Below you will also find a selection of pre-built demo binaries that can be run by downloading them to the mass storage device that appears when you connect the board to your computer.

Key Features

  • Atmel ATSAMR21G18A microcontroller
  • Embedded debugger (EDBG)
  • USB interface
  • Programming and debugging on board SAM R21 through Serial Wire Debug (SWD)
  • Virtual COM-port interface to target via UART
  • Atmel Data Gateway Interface (DGI) to target via SPI and TWI
  • Four GPIOs connected to target for code instrumentation
  • Digital I/O
  • Two mechanical buttons (user and reset button)
  • One user LED
  • Two extension headers
  • Three possible power sources
  • External power
  • Embedded debugger USB
  • Target USB
  • 32KHz crystal
  • 16MHz crystal
  • Supported with application examples in Atmel Software Framework


Ordering Code Atmel Store Availability1 Unit Price2 Buy Online
ATSAMR21-XPRO



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

 

Software
Description
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

LED Toggle
LED Toggle
(2.44 KB, updated March 2016)
This example is part of the Atmel Software Framework that is distributed with Atmel Studio 7. Documentation for the LED Toggle example can be viewed here. Download the file to the mass storage device that appears when you connect the board to your computer to run it.
Getting Started Example
Getting Started Example
(10.0 KB, updated March 2016)
This example is part of the Atmel Software Framework that is distributed with Atmel Studio 7. Documentation for the Getting Started example can be viewed here. Download the file to the mass storage device that appears when you connect the board to your computer to run it.

Contents: ATSAMR21-XPRO MCU board