ZigBee/802.15.4 Application Kit from Rabbit Semiconductor and MaxStream

Posted in Development Tools, Embedded Ethernet, ZigBee, Zilog
On Friday, November 3, 2006

Rabbit Semiconductor and MaxStream offer solution for ZigBee wireless control system developer. The ZigBee/802.15.4 Application Kit combines MaxStream XBee RF modem with the popular RCM3720 RabbitCore module. ZigBee paired with the RCM3720 provides a low-cost, robust wireless infrastructure that allows users to monitor and control remotedevices within a wireless meshed network.

ZigBee, based on the established IEEE 802.15.4 standard for packet-based, is a wireless technology known for its reliable, low-cost, lower power characteristics.

The kit contains three MaxStream® ZigBee modules for full application reference. One ZigBee module is connected to an Ethernet enabled RCM3720 RabbitCore Module. The RCM3720 runs at 22.1 MHz, and provides 10Base-T Ethernet, 512K Flash, 256K SRAM, 1MB Serial Flash as on-board memory, and 33 GPIO lines. The other two ZigBee modules are standalone node devices.


A user-configurable interface allows users to set up a network, discover other similar ZigBee devices, and control LEDs and switches from an RF Interface board as a node device. The kit serves as a template for countless wireless applications where low power and low data rates are required. The samples illustrate how a user can connect via the various topologies such as point-to-point, point-to-multipoint, and mesh.


Key Features



  • RabbitCore module running @ 22.1 MHz, and 10Base-T Ethernet. 512K Flash, 256K SRAM, 1MB Serial Flash as on-board memory, and 33 GPIO lines
  • Three MaxStream® ZigBee wireless modules and cables for simple connections
  • Sample programs and libraries that allow for simple digital I/O feedback and control, Ethernet to ZigBee gateway functionality, mesh networking communication
  • RabbitWeb™ simplified html programming software with refresh mechanism
  • User-friendly web interface for ZigBee/802.15.4 network setup, RF modem configuration, and firmware update functions.

Design Advantages

  • Reference application that uses a low-cost, low-power ZigBee 802.15.4 infrastructure to connect Rabbit-based
    devices
  • Supports topologies: point-to-point, point-to-multipoint
    and mesh
  • Easily scalable for commercial deployment applications
  • RabbitCore can function as a network coordinator,
    gateway, or control device

Applications



  • Low-cost wireless embedded control applications
  • Ideal for remote monitoring of equipment, devices,
    assets
  • Simple data logging applications
  • Control of meshed devices
  • Wireless I/O Control
  • Controlling XBee™ equipped devices

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ZigbeeTM
/802.15.4 Application Kit Specifications
FEATURE RF Interface Module
RF Modem
(Frequency)
MaxStream®
XBee™ (ISM 2.4 GHz)
vAlign=top>Compliance 802.15.4
standard (ZigBee™ compliant)
vAlign=top>Performance • Indoor
Range = 100 ft (30 m)
• Outdoor Line-of Sight
Range = 300 ft (90 m)
• Transmit Power Output =
1 mW (0 dBm)
• RF Data Rate = 250,000 bps

Receiver Sensititvity = -92 dBm (1% PER)
Antenna Chip
antenna
Supported
Network Topologies
vAlign=top>Point-to-point, Point-to-multipoint,
Peer-to-peer, Mesh
Number of
RF Channels
16
direct-sequence channels
(software-selectable)
Filtration
Options
PAN ID,
Channel, Source/destination addresses
Power
(typical)
• Transmit =
55 mA @ 3.5–6.0 V
• Idle/Receive = 60 mA @
3.5–6.0 V
Battery
Pack
3 AAA each
battery pack
Operating
Temperature
–40°C to
+70°C
Humidity 5% to 95%,
non-condensing
vAlign=top>Connectors Two 2 × 10,
0.1” pitch sockets; One power connector
One 2 ×
5, 2 mm pitch serial header; One 2 × 5, 0.1” pitch
serial header
RF
Interface Module Size
2.00” × 2.00”
× 0.50” (51 mm × 51 mm × 13 mm)
(XBee™ RF modem
extends 0.2” beyond edge of board)
FEATURE RCM3720
RabbitCore Module Rabbit® 3000 processor
at 22.1 MHz
Ethernet Port 10Base-T interface,
RJ-45, 2 LEDs
Flash Memory 512K
SRAM 256K
Serial Flash Memory 1Mbyte
General-Purpose I/O 33 parallel digital I/0
lines:
• 31 configurable I/O
• 2 fixed
outputs
Serial Ports Two 3.3 V
CMOS-compatible ports confi gurable as:
• 2
asynchronous serial ports (with IrDA) or
• 1
clocked serial ports (SPI) plus 1 HDLC (with
IrDA)
Serial Rate Maximum asynchronous
baud rate = CLK/8
Real-Time Clock Yes
Watchdog Supervisor Yes
Pulse-Width
Modulator
4 PWM output channels
with 10-bit free-running counter and priority
interrupts
Input
Capture/
Quadrature Decoder
2-channel input capture
can be used to time input signals from various
port pins
• 1 quadrature decoder unit accepts
inputs from external incremental encoder modules
or
• 1 quadrature decoder unit shared with 2
PWM chan nels
Power 4.75–5.25 V DC, 100 mA @
22.1 MHz, 5 V; 78 mA @ 11.05 MHz, 5 V
Operating
Temperature
–40°C to +70°C
Humidity 5% to 95%,
non-condensing
Connectors One 2 × 20, 0.1” pitch
header; One 2 × 5 header for programming with 1.27
mm pitch;
One RJ-45 Ethernet jack
Board Size 1.20” × 2.95” × 0.89”
(30 mm × 75 mm × 23 mm)
Kit
Details
Application
Kit
Part Number


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