Low-Cost GatewayReference Design

•ZigBee to Ethernet Gateway •8-Bit AVR Wireless SoC•Embedded TCP/IP MAC-PHY•MFG Ready Design

Copyright Atmel Corporation 2013. All Rights reserved.

System Highlights

•ZigBee to Wired Ethernet Connection

•Ready for Manufacturing Design.

•Low-Cost 2-layer PCB layout

•Atmel Atmega256RFR2 8-bit AVR CPU

•WIZnet W5200 Hardware Ethernet MAC & PHY

•Low-Cost RF PHY with PCB Antenna

•Industry standard USB Micro-B Power Inlet

•AT24MAC602 MAC ID PROM

•Optional Serial Flash Socket

Copyright Atmel Corporation 2013. All Rights reserved.

Block Diagram

Copyright Atmel Corporation 2013. All Rights reserved.

CPU features and Benefits

•Atmel Atmega256RFR2 • Monolithic CPU and IEEE802.15.4 Radio• 8-Bit AVR Architecture• 256k Flash, 8k EEPROM, 32k SRAM• Outstanding RF performance

•Good fit for Gateway-Coordinator roll

•Enough CPU for Coordinator, Data Concentrator and Ethernet Queuing tasks

•Lower cost than 32-bit solutions with Embedded OS

•Free ZigBee, IEEE802.15.4 and LW-Mesh stacks available

Copyright Atmel Corporation 2013. All Rights reserved.

Ethernet MAC Features and Benefits

•WIZnet W5200 Ethernet Controller• Hardwired TCP/IP controller• 10/100 Ethernet MAC & PHY• TCP, UDP, ICMP, IPV4 and Ethernet Protocols

•Excellent cost to performance balance for Gateway roll

www.wiznettechnology.com

Copyright Atmel Corporation 2013. All Rights reserved.

RF Features and Benefits

•ATmega256RFR2 System on a Chip+3.5 dB Transmit Power-100 Receiver Sensitivity.

•Large PCB AntennaHalf-wave dipole designSimple and efficient radiatorLarge effective area for excellent receiver gainDirect connection to SoC, minimal loss in Tx path+6 db Link-budget improvement over chip antennas2x range improvement over chip antennas

•No Balun cost•No Chip Antenna cost•No LNA/PA or FEM cost•No Coax Connector cost

Copyright Atmel Corporation 2013. All Rights reserved.

Other Features

•Atmel AT24MAC602 TWI EEPROMDesigned for storage of EUI-48 AddressesPerfect for Ethernet and ZigBee addressAlso persistent storage

•Optional Flash socket for field upgrade, web page, electronic datasheets (TEDS) or scratch pad. •USB Micro-B power inlet. Can use industry standard cell-phone chargers, wall-warts or Access-Point USB jacks.•Spare Button and LED for binding stimulus and indication•Power Good LED•Reset* button•UART Connection for Mass-Production Testing•Low-Cost RJ-45 MAG-Jack•Altium Source files available•MFG files available: Schematics, Gerbers, BOMs, RF Performance Test•Overall Size 4 1/2 x 2 1/8 inches (110 x 55mm)

Copyright Atmel Corporation 2013. All Rights reserved.

Low-Cost Gateway in ZigBee to Android Demo

Copyright Atmel Corporation 2013. All Rights reserved.

Budgetary Pricing

•Estimated BOM costs using Digikey retail web pricing for small volumes

•Fully Populated $20.01/1k

•Minimal Population $16.96/1k

•Both Atmel and Wiznet are committed to aggressive pricing at high volume.

•Call for a quote.