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| TI ULC TCS2315 GPRS方案 | |||||
作者：TI 文章来源：TI 点击数： 更新时间：2008-4-28  |
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Leveraging an advanced 65-nm process with TMS320C54x DSP and ARM7 cores in the same package, the TCS2315 GPRS solution integrates TIs breakthrough digital RF DRP™ technology to offer the most compelling user experience in Ultra Low-Cost (ULC) handsets. Part of the LoCosto ULC family, the TCS2315 enables handsets with high performance, robust functionality and innovative form factors in the most price-sensitive handsets. Ideal for emerging markets such as India, China, Russia and Brazil where the next billion subscribers will come from, the scalability and flexibility of the TCS2315 LoCosto ULC GPRS chipset also allow it to be deployed in enhanced handsets for value-conscious segments in more mature markets. Software portability from one generation of LoCosto solution to the next gives manufacturers and operators the ability to rapidly and cost-effectively differentiate handsets and service offerings for both emerging and mature markets, crossing over regional borders, language barriers and subscriber requirements. A set of enhanced capabilities are now possible in ULC handsets, such as a relatively high-resolution color display without requiring additional external SRAM, VGA camera support, MP3 playback and mass storage (SD/MMC), USB and Bluetooth® connectivity, high-end full duplex voice quality, a MIDI player with 32 polyphonics, MP3 and polyphonic ringers, longer talk time and standby time, stereo FM radio connectivity, USB charging, handsfree speakerphone operation, vibration ringer, headset support and other functionality. Equipped with TIs scalable and hardware-based M-Shield™ security technology, a TCS2315 handset offers ironclad protection of the owners personal information. M-Shield also prevents the unlocking of the handsets SIMlock code, defeating attempts to switch networks. High-value content and IP can be fully protected from tampering, piracy and malicious attacks. Key Benefits: All the features of TCS2305 (see below), plus: GPRS capability Built-in VGA camera support with JPEG encode/decode and advanced imaging functions such as rotation, zoom, etc. CD-quality (44.1 kHz) MP3 stereo playback capability USB connectivity for data transfer between PC and phone Mass storage capability (SD/MMC) Bluetooth connectivity with multiple profiles including stereo headset Shared features of TCS2305 and TCS2315 solutions: Enables Ultra Low-Cost (ULC) handsets targeted at emerging, fast-growing regions as well as established, cost-sensitive markets Leverages 65-nm process with advanced DSP and ARM® technologies TIs proven DRP technology featuring integrated digital RF, now shipping in volume on previous LoCosto solutions Delivers a compelling next-generation user experience in ultra low-cost (ULC) handsets: Lowest cost color handset because no additional external SRAM memory is needed to support up to 128 x 160, 65k color displays Fast CPU processing for smooth user interface processing CD-quality (44.1 kHz) MP3 ringers and polyphonic ringers High-end full-duplex voice quality mitigates voice chopping and double talk Improved loudness (up to twice as loud) for noisy environments and hands-free operation FM connectivity with integrated stereo support Ability to record FM for on-the-fly ringers Optimized system design reduces component count and PCB board size compared to previous generations: Up to 25% reduction in eBOM Lower overall component count by 40% Smaller modem block footprint by as much as 35% reduces PCB board size and enables innovative handset form factors and larger batteries Lower power consumption for 30% longer talk time and 60 percent longer standby time USB charging for universal and easy charger access Flexibility for cost-sensitive and enhanced ULC handsets Hardware-based M-Shield™ technology for robust SIMLock, IMEI, and software/data security to protect users, operators and device manufacturers Scalable across regions, market segments, languages and subscriber types 
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