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A wireless transceiver which supports both IEEE 802.15.4 and ZigBee standards from the one device can also be used as a general 2.4GHz direct sequence spread spectrum device for a number of proprietary solutions not using IEEE 802.15.4 or ZigBee. A wireless transceiver which supports both IEEE 802.15.4 and ZigBee standards from the one device can also be used as a general 2.4GHz direct sequence spread spectrum device for a number of proprietary solutions not using IEEE 802.15.4 or ZigBee.

Supplier Chipcon is presenting the device as its first system-on-chip (SoC) device combining the wireless transceivers with an 8051 MCU, 128kbyte of flash memory and 8kbyte of RAM.

 

ZigBee is the industry standard short range wireless comms protocol which is designed for low cost and low power.

 

Based on the firm's existing CC2420 radio transceiver, this latest device the CC2430 features an AES-128 co-processor, USARTs, watchdog timer, sleep-mode timer with 32kHz crystal oscillator and 21 programmable I/O pins.

 

During receive and transmit, the current consumption of the device is 27mA.
The CC2430 is based on Chipcon's SmartRF 03 technology in 0.18µm CMOS. It will be available in a 7x7 mm QLP 48 package.

Development kits and samples are targeted to be available in Q2 2005.

 

Chipcon's CC2420 2.4GHz RF transceiver is also specified by Microchip in its ZigBee demonstration kit which the chip supplier is offering for cost-effective wireless comms system design.

 

The CC2420 transceiver interfaces to Microchip's PIC18 via the SPI port.

 

The PICDEM ZigBee kit includes the hardware, software source-code (including free software stack) and printed circuit board (PCB) layout files needed to prototype a wireless system. 

 

It uses the PIC18LF4620 microcontroller with integrated power-managed modes, 64kbyte of self-programmable flash program memory, as well as a selection of standard analogue, control and communications peripherals.

 

Also intended for highly integrated wireless module design, Maxim Integrated Products is offering single-band 802.11a and dual-band 802.11a/g WLAN transceivers.

 

The MAX2828 covers the world-band frequency spectrum from 4.9GHz to 5.9GHz, while the MAX2829 covers both 2.4GHz to 2.5GHz and 4.9GHz to 5.9GHz bands.

 

The SiGe BiCMOS ICs feature a MIMO (Multiple-Input-Multiple-Output) mode in which the phase angle of the local oscillator is held constant during transmit/receive operation, allowing multiple transceivers to be synchronized to the system reference oscillator.  This feature is critical for 802.11n NxN MIMO radio and smart-antenna-based WLAN applications.



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