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Single-chip GSM/SMS for ULC

PNX4900 - ultra-low cost solution for cost-optimized voice-centric phones

The PNX4900 is part of our groundbreaking PNX49xx 2G single-chip family. It offers a feature set optimized for voice-centric phones. Beyond GSM/SMS, the PNX4900 provides attractive value-added features such as support for a large color LCD, 40-voice polyphony and MP3 ringtones. It enables cost-optimized designs while delivering exceptional RF performance, battery life and security. Handset manufacturers can create affordable yet attractive phones targeting millions more consumers in both emerging and developed markets.

HIGHLIGHTS

Lowest cost of ownership

• Complete dual-band GSM/GPRS modem in 500 mm² with just 53 external components.
• Inexpensive 4-layer PCB.
• PA and memory are the only external ICs needed.

Better end-user experience

• Attractive features such as support for a QCIF+ color screen, 40-voice polyphony and MP3 ringtones.
• Excellent call quality wherever, whenever and consistent voice clarity.
• Industry-leading power consumption enables extended battery life.

Solid and practical 

• Reliable protection of operator subsidies thanks to robust hardware-based security.
• Mature telecom protocol stack tested across 50 operator networks.
• Flexible, pre-integrated and fully validated software solution also reduces R&D expenses.

 KEY FEATURES

• Complete GSM/SMS solution in a single monolithic IC
  • SAIC for increased network capacity
  • A5/1, A5/2, A5/3 encryption
  • TTY/CTM support
  • R99 protocol stack, mature and field-tested worldwide
• Completely integrated RF transceiver
  • Dual band
  • Proven, industry-leading Aero transceiver core
• Complete PMU subsystem
  • Integrated battery-charging circuitry and all voltage regulators (LDO and DC-DC)
• Integrated audio subsystem
  • 40-voice MIDI + MP3 ringtones
  • Microphone amplifier with 2 different inputs
  • 3 audio output amplifiers, including a high-performance 8-Ω driver
  • Speakerphone with echo cancellation and noise suppression
• Hardware security based on 128-bit RSA
  • Robust yet flexible SIM/Flash lock
• Integrated connectivity and peripheral support
  • I² C-bus, SPI, UART
  • SD/MMC interface
  • 1.8/3-V SIM card interface
  • Color LCD up to 176 x 220 pixels, 65k colors
• Standard RoHS-compliant package
  • 273-ball PBGA (10 x 10 mm, 0.5-mm pitch)

  

Block Diagram

Supporting Documents

Download the Platform Flyer