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| Philips TD-SCDMA多媒体系统解决方案 | |||||
作者：Philips 文章来源：本站 点击数： 更新时间：2007-3-18  |
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Developed for the TD-SCDMA market in China, this ARM9-based multimedia platform is a cost-effective yet flexible reference design that lets handset manufacturers and design houses save time-to-market while servicing the growing need for next-generation 3G.  Key features Dual-mode GSM/GPRS/TD-SCDMA reference design 104-MHz ARM946 processor Telecom features 2G performance Quad band GPRS Class 10 release 99 3G performance 2010-to-2025-MHz TD-SCDMA 3GPP Rel 4, RAN 19 (Mar 2003) PS: DL 384 kbps, UL 128 kbps CSD: 64-kbps UL/DL SMS, EMS Rel 4 Audio codecs: HR, FR, EFR, AMR-NB Open audio interface (PCM, I2S) CCCV-mode charging FAT 16 file system TTY Full duplex hands-free MMC/SD/T-Flash card support Voice Clarity audio enhancement Connectivity features USB 2.0 full-speed device Bluetooth 1.2 RS-232, IrDA (drivers) Multimedia features 2-Mpixel camera support MPEG4/H.263 video player and encoder MP3/AAC player SW polyphony, 64 voices, stereo, 32 kHz JAVA, JTWI DRM 1.0 agent (FL, CD, SD) Video telephony Background information This design, which connects to the newly developed TD-SCDMA network, delivers advanced 3G services, including video calling and music downloads, to the rapidly expanding market for next-generation phones in China. Working closely with T3G Technologies, a leading provider of TD-SCDMA terminal solutions, Philips has extended its proven Nexperia cellular system architecture to support TD-SCDMA. In addition to the core chipset, which includes a dual-mode digital baseband, a GSM/GPRS transceiver, a GSM/GPRS PA module, and a power management unit (PMU), the design includes a TD-SCDMA modem, a TD-SCDMA analog baseband, a TD-SCDMA RF module, and a video coprocessor that extends the multimedia capabilities of the core chipset. The design supports a wide range of multimedia and connectivity applications while minimizing power consumption to deliver industry-leading standby and talk times. Each Nexperia cellular system solution is a carefully designed combination of powerful core hardware and proven, mature software. More than 200 million Nexperia-based systems have been brought to market, making these platforms some of the most extensively proven designs available. For wireless connectivity, the solution has built-in options for USB 2.0 and Bluetooth 1.2. To help customers design the right products quickly, we offer an extensive support network of software engineers and cellular experts working in locations throughout the world, with a particularly strong presence in Asia. We combine this field support with regularly held training sessions, for hands-on learning. |
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