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NXP-chip GSM / GPRS multimedia solutions

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PostPosted: Sun Apr 20, 2008 7:31 pm    Post subject: NXP-chip GSM / GPRS multimedia solutions Reply with quote

AeroFONE single-chip GSM/GPRS low-cost multimedia solution
The NXP AeroFONE PNX4903 enables a music phone with color screen in the ultra-low-cost market segment. By integrating the analog and digital basebands, RF transceiver, power management, and audio circuitry in a single monolithic IC, the PNX4903 solution delivers the smallest bill of materials and PCB footprint, along with the lowest manufacturing and test costs.
The only external ICs needed are a power amplifier and memory. A complete, dual-band GSM/GPRS modem can be realized with just 49 external components on a low-cost four-layer PCB. Traditional multi-chip handset designs require three times the number of external components on a more complex PCB.
The hardware reference design is accompanied by a flexible, pre-integrated and validated software complement that reduces R&D expense and speeds time-to-market.

Key features
Complete GSM/GPRS solution in a single monolithic IC
GSM Phase 2+ compliant
Low power, high-performance 0.13-m CMOS process
Industry-leading ARM926-EJS MCU core
High-performance DSP core
SAIC support for increased network capacity
Integrates all the SRAM for a voice-centric phone
Completely integrated RF transceiver
Dual-band Rx and Tx (850 or 900/1800 or 1900)
Proven, industry-leading Aero II technology
Best-in-class performance
Complete power management unit (PMU) subsystem
Integrated battery-charging circuitry
Integrates all voltage regulators (LDOs and DC/DC)
Integrated audio subsystem
MP3 playback with support for SD card
40 voice polyphonic MIDI + MP3 ringtones
Microphone amplifi er with two differential inputs
Two differential audio output amplifiers  
HR/FR/EFR/AMR vocoders
Alternate 40-kS/s audio mode for polyphonic ringtones
Speaker phone noise suppression and echo cancellation
Optimized, flexible system control
Integrated 26-MHz DCXO (only need XTAL)
Integrated 32-kHz RTC oscillator (only need XTAL)
Flexible modes for optimized power consumption
Comprehensive set of peripheral functions
Standard package
10 x 10 mm plastic ball grid array (PBGA)

The text download: www.chinaicmart.com
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