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42243A-MCU-02/2014

USER GUIDE

Atmel SAM R21 Xplained Pro

Preface

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.

Содержание SAM R21 Xplained Pro

Страница 1: ...atform 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 boar...

Страница 2: ...Connectors 10 4 1 1 I O Extension Headers 10 4 1 2 Other Headers and Connectors 11 4 2 Peripherals 11 4 2 1 Crystal 11 4 2 2 Mechanical Buttons 12 4 2 3 LED 12 4 2 4 USB 12 4 2 5 RF 12 4 3 1 8V Operat...

Страница 3: ...anical buttons user and reset button One user LED Two extension headers Antenna One ceramic chip antenna 2450AT18D0100 One SMA connector for external antenna Three possible power sources External powe...

Страница 4: ...Atmel SAM R21 Xplained Pro USER GUIDE 42243A MCU 02 2014 4 Figure 1 1 SAM R21 Xplained Pro Evaluation Kit Overview...

Страница 5: ...all sized and easy to use evaluation kits for 8 and 32 bit Atmel microcontrollers It consists of a series of low cost MCU boards for evaluation and demonstration of features and capabilities of differ...

Страница 6: ...vailable interfaces and pinout Communication over the interfaces are bidirectional It can be used to send events and values from the ATSAMR21G18A or as a generic printf style data channel Traffic over...

Страница 7: ...urces are available and choose which one to use according to the following priority 1 External power 2 Embedded debugger USB 3 Target USB Note External power is required when the 500mA through the USB...

Страница 8: ...wire interface Always implemented bus type 13 USART_RX Receiver line of Universal Synchronous and Asynchronous serial Receiver and Transmitter 14 USART_TX Transmitter line of Universal Synchronous and...

Страница 9: ...r Pin name Description 4 VCC_P3V3 Regulated 3 3V output used as main power for the kit Note If the board is powered from a battery source it is recommended to use the PWR header If there is a power so...

Страница 10: ...e 4 1 Extension Header EXT1 Pin on EXT1 SAM R21 pin Function Shared functionality 1 ID Communication line to ID chip on extension board 2 GND GND 3 ADC PA06 AIN 6 4 ADC PA07 AIN 7 5 GPIO1 PA13 GPIO 6...

Страница 11: ...als Header Pin on header Pin on SAM R21 Function 1 PA09 RFCTRL1 positive antennae switch control signal 2 PA12 RFCTRL2 negative antennae switch control signal 3 PA27 GPIO chip select on the EDBG DGI S...

Страница 12: ...tton connected to the SAM R21 reset line and the other is a generic user configurable button When a button is pressed it will drive the I O line to GND Table 4 7 Mechanical Buttons Pin on SAM R21 Silk...

Страница 13: ...AM R21 Xplained Pro board is operated at 3 3V by default but it also has the possibility of running at lower voltages from an external supply The EDBG is designed to run from a 3 3V supply and won t w...

Страница 14: ...removed components they are all 0 ohm resistors Important The voltage supplied through the power header is applied directly to the ATSAMR21G18A and the extension headers applying a voltage greater th...

Страница 15: ...either a SPI or I C port The DGI can be used to send a variety of data from the SAM R21 to the host PC For further information on how to use the DGI interface see Embedded Debugger on page 6 Table 4 1...

Страница 16: ...M R21 Xplained Pro The data can be read through the I 2 C interface connected to the EDBG for detailed information see the EDBG User Guide 1 All data is stored as little endian Table 5 1 MAC64Register...

Страница 17: ...s FCC 2 1093 requires separate equipment authorization Important Modifications not expressly approved by this company could void the user s authority to operate this equipment FCC section 15 21 Import...

Страница 18: ...Industrie Canada pour un environnement non contr l Cet quipement doit tre install et utilis avec un minimum de 20 cm de distance entre le dispositif et l utilisateur ou des tiers Important Any changes...

Страница 19: ...List of Antennas Tested With This Product Table 6 1 List of Tested Antennas Antenna Number Make Model Part Antenna Gain dBi Type of Antenna Antenna 1 Johanson Technology 2450AT18D0100 1 5dBi Ceramic...

Страница 20: ...formation about connected Xplained Pro extension boards will also appear in the Atmel Kits window The same information can be found on the sticker on the bottom side of the PCB The sticker on SAM R21...

Страница 21: ...Atmel SAM R21 Xplained Pro USER GUIDE 42243A MCU 02 2014 21 8 Document revision history Document revision Date Comment 42243A 02 2014 Initial document release...

Страница 22: ...buyer s and further users sole risk The user assumes all responsibility and liability for proper and safe handling of the goods Further the user indemnifies Atmel from all claims arising from the hand...

Страница 23: ...TY WHATSOEVER AND DISCLAIMS ANY EXPRESS IMPLIED OR STATUTORY WARRANTY RELATING TO ITS PRODUCTS INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTY OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR...

Страница 24: ...Mouser Electronics Authorized Distributor Click to View Pricing Inventory Delivery Lifecycle Information Microchip ATSAMR21 XPRO...

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