Atmel ATSAMR21-XPRO

ARM Cortex-M0+based IEEE 802.15.4 Wireless MCU evaluation kit

The Atmel® SAM R21 Xplained Pro evaluation kit is a hardware platform for evaluating the Atmel® | SMART™ SAM R21 series of low-power IEEE 802.15.4 Wireless microcontrollers.

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.

Key features of the SAMR21-XPRO board

Note

Please note that the SAMR21-XPRO does not yet support drag'n'drop programming. Use the Free Atmel Studio IDE to program & debug the board.

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Key parameters for ATSAMR21G18A

ParameterValue
Flash (Kbytes)256 Kbytes
SRAM (Kbytes)32
Max I/O Pins28
Max. Operating Freq. (MHz)48 MHz
SPI5
UART4
ADC Channels8
ADC Resolution (bits)12
Analog Comparators1
Crypto EngineAES
Operating Voltage (Vcc)1.8 to 3.6
Timers6
Frequency Band2.4 GHz
Max Data Rate (Mb/s)0.25
Antenna DiversityYes
External PA ControlYes
Receiver Sensitivity (dBm)-101
Receive Current Consumption (mA)11.8
Transmit Current Consumption (mA)13.8
Link Budget (dBm)105
Temp. Range (deg C)-40 to 125
CPUCortex-M0+
EEPROM (Bytes)16384
TWI (I2C)5
Power Output (dBm)4

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