Atmel ATSAML21-XPRO-B

SAM L21 Xplained Pro Evaluation Kit

The Atmel® | SMART SAM L21 Xplained Pro evaluation kit is ideal for evaluating and prototyping with the ultra low power Atmel SAM L21 ARM® Cortex®-M0+ based microcontrollers. Several extension boards that add functionality to the SAM D21 Xplained Pro, such as WiFi & Bluetooth connectivity, motion sensing, displaye etc. can be purchased separately.

Supported by the Atmel Studio integrated development platform, the kit provides easy access to the features of the Atmel ATSAML21J18B microcontroller 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 ATSAML21J18B MCU. 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 SAML21-XPRO-B board

Note

Please note that the SAML21-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 ATSAML21J18B

ParameterValue
Flash (Kbytes)256 Kbytes
USB Transceiver1
Ext Interrupts16
Max I/O Pins51
Hardware QTouch AcquisitionYes
CPUCortex-M0+
Max. Operating Freq. (MHz)48 MHz
Pin Count64
USB SpeedFull Speed
Quadrature Decoder Channels0
Ethernet0
SSC0
I2SNo
UART6
TWI (I2C)6
SPI6
USB InterfaceHost, Device
ADC Channels20
ADC Speed (ksps)1000
ADC Resolution (bits)12
Camera InterfaceNo
Video DecoderNo
Graphic LCDNo
SD / eMMC0
DAC Resolution (bits)12
DAC Channels2
Resistive Touch ScreenNo
Analog Comparators2
SRAM (Kbytes)32
Temp. SensorYes
DRAM MemoryNo
External Bus Interface0
EEPROM (Bytes)0
Temp. Range (deg C)-40 to 85
Debug InterfaceSWD
picoPowerYes
NAND InterfaceNo
Operating Voltage (Vcc)1.62 to 3.63
FPUNo
MPU / MMUno / no
Output Compare Channels24
Timers8
PWM Channels24
Input Capture Channels8
WatchdogYes
Calibrated RC OscillatorYes
RTCRTC/Counter, Clock+Cal
32kHz RTCYes
ISPYes
Self Program Memory8
Crypto EngineAES/TRNG
LIN6
# of Touch Channels192
ADC Gain StageopAmps
Diff. ADC Inputs8

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