The ATSAMR21-LED-DRIVER is a reference platform that uses the Atmel® SMART ATSAMR21 microcontroller (MCU) to drive LEDs in a constant current DC-DC step-down topology. The ATSAMR21 is an IEEE 802.15.4 compliant SOC that incorporates an ARM® Cortex® M0+ based 32-bit MCU and a 2.4GHz RF transceiver.

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Ключевые особенности

  • Industry’s first ZigBee Microcontroller with LED driving capability
  • Complete LED driver evaluation platform using ATSAMR21 IEEE 802.15.4 compliant IC
  • Includes ZigBee Light Link (ZLL) stack
  • Compatible with ZigBee Home Automation (ZHA) protocol
  • 0.5% to 100% dimming using combination of analog and PWM dimming
  • Up to 95% efficiency