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Overview
The ATSAMR21-LED-DRIVER is a reference platform that uses the 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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- 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
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Documentation
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| Atmel AT13519: ATSAMR21 LED Driver with ZigBee Light Link - Firmware User Guide | User Guide | Download |