Microchip ATmega644RFR2 Manual

Microchip Ikke kategoriseret ATmega644RFR2

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SMART ARM-Based Microcontroller

AT13519: ATSAMR21 LED Driver with ZigBee

Light Link – Firmware User Guide

USER GUIDE

Introduction

The Atmel® SAM R21 LED Driver is a reference platform for a Dimmable

Light with a LED Driver implemented in firmware, which can be controlled

wirelessly over ZigBee® using a ZigBee-based remote control device.

This user guide explains the firmware components of the system.

Features

•LED Driver module implemented in firmware (no external driver IC

needed)

•Dimmable Light application as per ZigBee Light Link Specification –

implementation uses the Atmel BitCloud® SDK

•0.5% to 100% dimming using combination of analog and PWM

dimming

•Up to 95% efficiency

•Light control from the AVR477 Touch Remote Control

Atmel-42483A-ATSAMR21-LED-Driver-with-ZigBee-Light-Link_AT13519_User Guide-08/2015

Table of Contents

Introduction......................................................................................................................1

Features.......................................................................................................................... 1

1. Overview....................................................................................................................3

1.1. System Overview..........................................................................................................................3

1.1.1. ATSAMR21-LED-Driver (Dimmable) Light.....................................................................3

1.1.2. Remote Control..............................................................................................................4

2. Dimmable Light – The ATSAMR21-LED-Driver Board.............................................. 5

2.1. Source Code Organization........................................................................................................... 5

2.2. Project Configuration....................................................................................................................7

2.3. Configuration of Parameters.........................................................................................................7

2.4. Memory Footprint......................................................................................................................... 8

2.5. Operating Principles of the LED Driver.........................................................................................8

2.6. ZigBee Functionalities of the Dimmable Light............................................................................ 10

2.6.1. Joining a ZigBee Light Link Network........................................................................... 10

2.6.2. Unique MAC Address Storage ....................................................................................10

2.6.3. Information Sets/Clusters Supported by the Dimmable Light...................................... 10

2.6.4. Application Code Flow................................................................................................. 11

2.6.5. Light Control from the Remote.....................................................................................11

3. Remote Control – The AVR477 Touch Remote Control Board................................13

3.1. Status LED Indications on the AVR477 Remote........................................................................ 14

3.2. Resetting the Light to Factory New State from the AVR477 Remote......................................... 15

3.3. Controlling Multiple Lights from a Single AVR477 Remote Control............................................15

4. Related Documents................................................................................................. 16

5. Revision History.......................................................................................................17

Atmel AT13519: ATSAMR21 LED Driver with ZigBee Light Link – Firmware User Guide

[USER GUIDE]

Atmel-42483A-ATSAMR21-LED-Driver-with-ZigBee-Light-Link_AT13519_User Guide-08/2015

Produkt Specifikationer

Mærke:	Microchip
Kategori:	Ikke kategoriseret
Model:	ATmega644RFR2

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