ATSAMR21ZLL-EK

USER GUIDE Atmel ATSAMR21ZLL-EK Preface The Atmel ATSAMR21ZLL-EK evaluation kit is a hardware platform based on Atmel ATSAMR21G18A microcontroller. The kit is fully integrated with the Atmel Studio development platform, enabling application development with BitCloud ZigBee PRO libraries. The kit supports on-board embedded debugger, antenna diversity, RGB LED, QMatrix interface, OLED display, joystick, user LEDs, user switches, Atmel Xplained Pro extension header, external USB, and UART interfaces. 42462A-MCU-06/2015 Table of Contents Preface .......................................................................................... 1 1. Introduction ............................................................................ 3 1.1. Features ............................................................................ 3 1.2. Kit Overview ......................................................................... 4 2. Getting Started ...................................................................... 5 2.1. Quick-start ........................................................................... 5 2.2. Connecting the Kit ................................................................. 5 2.3. Design Documentation and Related Links ................................ 5 3. Hardware User Guide ........................................................... 6 3.1. Power Supply ....................................................................... 6 3.1.1. Measuring SAM R21 Power Consumption ...................... 6 3.2. Connectors .......................................................................... 6 3.2.1. I/O Extension Headers ............................................. 6 3.2.2. Other Headers and Connectors ................................. 7 3.3. Peripherals ........................................................................... 8 3.3.1. Crystal .................................................................. 8 3.3.2. RF Interface ........................................................... 9 3.3.3. Touch Interface ...................................................... 9 3.3.4. RGB LED ............................................................ 10 3.3.5. OLED Display ......................................................... 10 3.3.6. Joystick ................................................................. 11 3.3.7. Serial Flash .......................................................... 11 3.3.8. Temperature Sensor ................................................ 11 3.3.9. Crypto Authentication ............................................. 11 3.3.10. Serial Communication Interface .................................. 11 3.3.11. Mechanical Buttons ................................................ 12 3.3.12. User LED ............................................................. 13 3.3.13. SAM R21 USB ........................................................ 13 3.3.14. Embedded Debugger Implementation ........................ 13 3.3.15. MAC ID ............................................................... 14 4. Agency Certification .............................................................. 15 4.1. United States (FCC) ............................................................. 15 4.2. European Union (ETSI) ........................................................ 15 4.3. Canada (IC) ..................................................................... 16 4.4. List of Antennas Tested With This Product ............................... 16 5. Hardware Revision History and Known Issues ................... 17 5.1. Identifying Product ID and Revision ....................................... 17 5.2. Revision 3 ........................................................................ 17 6. Document revision history ..................................................... 18 7. Evaluation Board/Kit Important Notice ................................ 19 Atmel ATSAMR21ZLL-EK USER GUIDE 2 42462A-MCU-06/2015