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SEGGER Evaluation Software for
Atmel SAMR21 Xplained Pro

Included Components

Downloads

Download   SEGGER Embedded Studio for Windows, macOS and Linux

SEGGER Notifications

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Data Sheets

Atmel SAMR21 Xplained Pro

  • 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

ATSAMR21G18A

  • 256 KByte Flash
  • 32 KByte SRAM (Kbytes):
  • 28 I/O Pins
  • Max 48 MHz operating frequency
  • 5 SPI interfaces
  • 4 UART ports
  • 8 ADC channels
  • 12 bit ADC resolution
  • 1 analog comparator
  • AES crypto engine
  • 0.25 MB/sec data rate
  • 2.4 GHz frequency band