Key Benefits• Industry’s lowest system cost provided by low-

cost baseband and analog parts especially forradios that include MP3/WMA CD

• Most integrated DAB baseband reduces costand design time for adding features such asrecording/playback, time-shifted audio, TII, FM/ensemble switching, TPEG and announcementsupport

• Addresses the data bit rates needed for a DigitalMultimedia Broadcast design

• Worldwide field and factory support tosimplify the task of digital radio design

Through the addition of new periph-erals and audio features, TI presentsthe most highly integrated DigitalAudio Broadcasting (DAB) basebandin the industry, the TMS320DRE310DSP-based baseband. The program-mability of this new solution helpsreceiver manufacturers and design-ers easily differentiate their EurekaDAB receivers, while keeping bothpower and cost to a minimum. TheDRE310 baseband enables a varietyof applications, including portableand handheld radios. It is especiallywell-suited for the automotive mar-ket, providing such DAB features asTPEG and announcement support,while increasing the number ofaudio and data bit rates supportedand integrating MP3 and WindowsMedia Audio (WMA) CD supportonto the same silicon.

The Basics – Digital Basebandand Receiver SystemFigure 1 shows the architecture ofthe programmable TMS320DRE310DSP-based digital baseband andtotal receiver solution. The ETSI 300401-compliant DRE310 basebandperforms channel and source decod-ing on a single chip. In addition, thedigital baseband can decode all

Eureka modes and perform userinterface functions. The DRE310baseband accepts a wider range ofaudio and data bit rates than previ-ous TI baseband solutions. Anincreased audio rate of up to 384kilobits per second (kbps) allowsthe system to receive the full rangeof digital audio signals and the sup-ported data rates can process DigitalMultimedia Broadcast (DMB) appli-

cations. TI also builds the ADC,DAC, power amplifier, and variouspower management devices for thisapplication.

Beyond the Basics —Advanced ApplicationsThe TMS320DRE310 DSP-basedbaseband is the first to include on-chip support for features such asrecord and playback from Flash

TMS320DRE310Eureka DAB DigitalRadio Solution

Product Bulletin

Figure 1. Eureka DAB Digital Radio Solution

R E A L W O R L D S I G N A L P R O C E S S I N G™

memory and MultiMedia Card(MMC), as well as time-shift record-ing and the capability for simultane-ously listening to and recording ofdifferent channels. As Figure 2shows, the DRE310 baseband is alsocapable of MP3 and WMA decodersupport on the same chip.

With this level of integration andincreased Eureka DAB capability,the DRE310 DSP-based basebandwill power several types of applica-tions, including: home, portable,handheld, PC and automotive.

Automotive DAB/CD radios, whichrequire the ability to decode thevariety of broadcasted bit rates andsupport different CD audio decoders,such as WMA, MP3 and PCM, willbenefit from the DRE310 DAB fea-tures, such as TII, FM switching,ensemble switching, TPEG andannouncement support.

Portable and handheld applica-tions will have the ability to read

and write to memory cards, utilizingthe DRE310 baseband’s direct inter-face to MMC, Memory Stick™ andSD. These applications will also ben-efit from the on-chip USB 2.0 full-speed (12 Mbps) interface, whichallow both an easy connection to thePC and record/playback capabilities.

Other additional features andspecifications of the DRE310 base-band are:

• Does not require external memo-ry for DAB operation

• Can interface to an externalmicrocontroller or memory (notrequired for operation)

• Disturbance-free operation dur-ing multiplex sub-channel recon-figuration or ensemble switch

• Can feed data to external TPEGor MOT decoder

• ADC for keypad interface,battery, etc.

• I2C port

• Real-time clock

• 144-lead TQFP or 179-leadµ*BGA

RoadmapThe DRE310 baseband from TI willredefine digital radio by enablingfeature rich and integrated endproducts, while maintaining low costand power. Future products willcontinue to build upon the successof the TMS320DRE200 andTMS320DRE310 DSP-based base-bands. Contact the TI Digital Radiogroup for more information aboutthe roadmap details atdigitalradio@ti.com.

Support, Availability,Packaging and PricingTI’s extensive worldwide field sup-port simplifies the task of digitalradio design using the DRE310 DSP-based baseband. Evaluation modules(EVMs) are expected to be availablein the fourth quarter of 2003, as willdocumentation, including user’sguides and application notes. Tospeed design and make purchasingeasier, TI will offer the DRE310baseband bundled with other com-ponents, including analog parts,such as power management anddata converters.TI’s TMS320DRE310Eureka DAB digital basebandprocessor is expected to sample inthe fourth quarter of 2003. TheDRE310 baseband will be availablein either a 179-lead MicroStar™ball-grid array (BGA) or a 144-leadthin quad flatpack (TQFP). Pricingis U.S. $18 each in sampling quanti-ties of 1K or less.

For more information, please con-tact the nearest TI sales office orvisit our website at www.ti.com/digitalradio

Real World Signal Processing, the black/red banner and MicroStar BGA are trademarks of Texas Instruments. Memory Stick is a trademark of Sony Corporation.Prices are quoted in U.S. dollars and represent year 2003 suggested resale pricing. Contact your local distributor for current pricing.

© 2003 Texas Instruments Incorporated Printed by Shas Graphics, Stafford, TX SPRT273

Figure 2. TMS320DRE310 Digital Baseband