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TI reference design eyes EDGE in network

Posted: 16 Mar 2004 ?? ?Print Version ?Bookmark and Share

Keywords:gps? wlan? omap? processor? bluetooth?

Texas Instruments Inc. has assembled a reference design with all the parts needed to build a mobile phone for EDGE networks, plus an integrated Bluetooth capability and add-on modules for WLANs and global positioning. The Class 12-capable design comes on a credit-card-sized board with a version of the company's open multimedia applications platform (OMAP) processor, plus an applications processor, a digital baseband, an analog baseband, power-management chip, an audio codec and a single-chip Bluetooth device.

The TCS3500 is TI's 3G reference design and builds on the company's GSM/GPRS design announced last year, based on an OMAP730 processor. To meet the baseband-processing demands of EDGE networks, the company added a C55 DSP to the 730 and renamed it the OMAP850, said Tom Pollard, director of marketing for wireless chipsets at TI. The company worked with Comsys Information Technology for the DSP elements at Layer 1 and added multimedia support for a 2Mpixel camera with enhanced frame-buffer management and hardware accelerators.

"We're entering with a compelling multimedia solution by Q4 2004, and we need an EDGE product that will take advantage of all our technology," said Pollard. "Reference designs are becoming important to our business, as they help designers get to market faster. Reference designs are also getting more full-featured with more integration."

Along with the 850 applications processor with digital baseband, the reference design features the TWL3027 analog baseband, a quad-band RF section from an unidentified third party and TI's BRF6150 Bluetooth chip. The daughtercard components include a TNETW1230 802.11a/g-based WLAN card, an assisted-GPS card, a camera interface module and a keyboard interface module.

"We also provide extensive OS support, including Symbian, Microsoft, Linux and Palmsource, as well as Nokia's Series 60 terminal software," Pollard said. "Also, we're finding customers are particularly interested in our hardware security blocks that allow for secure downloading."

TI expects to begin testing the design with operators in the coming months. Samples will be available in this quarter, with volume available by Q4. Pricing is at $35 per 10,000 units for the core chipset: the OMAP850 processor, the TWL-3027 analog baseband and the BRF6150 Bluetooth chip.

- Patrick Mannion

Electronic Engineering Times





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