low-cost gateway reference design
DESCRIPTION
Low-Cost Gateway Reference Design. ZigBee to Ethernet Gateway 8-Bit AVR Wireless SoC Embedded TCP/IP MAC-PHY MFG Ready Design. System Highlights. ZigBee to Wired Ethernet Connection Ready for Manufacturing Design. Low-Cost 2-layer PCB layout Atmel Atmega256RFR2 8-bit AVR CPU - PowerPoint PPT PresentationTRANSCRIPT
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Low-Cost GatewayReference Design
•ZigBee to Ethernet Gateway •8-Bit AVR Wireless SoC•Embedded TCP/IP MAC-PHY•MFG Ready Design
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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
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Copyright Atmel Corporation 2013. All Rights reserved.
Block Diagram
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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
![Page 5: Low-Cost Gateway Reference Design](https://reader035.vdocuments.net/reader035/viewer/2022062517/56813e66550346895da872c1/html5/thumbnails/5.jpg)
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
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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
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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)
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Copyright Atmel Corporation 2013. All Rights reserved.
Low-Cost Gateway in ZigBee to Android Demo
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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.