Single-Chip 65-nm EDGE Baseband + RF + Multimedia
The BCM21331 is a single-chip EDGE/GPRS/GSM multimedia baseband processor with a fully integrated RF transceiver and mixed-signal analog. Based on 65 nm technology, the BCM21331 offers the lowest power consumption, highest integration, and lowest cost EDGE solution. The modem supports Class 33 EDGE/GPRS and integrates all analog and digital baseband functions on a single, monolithic silicon.
The integrated BCM21331 RF transceiver design delivers high RF performance while achieving low-power consumption through innovative architecture and circuit design. The RF transceiver draws on Broadcom's extensive experience in digital CMOS radio design and directly leverages Broadcom's BCM2085 CMOS EDGE radio product. Critical radio performance, while using digital CMOS for radios, is assured through the use of proprietary, autonomous, real-time calibrations within the radio.
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- Single-chip, single-die, Class 33, 4-band, EDGE/GPRS baseband processor with support for a 2.0 Mpixel camera with ISP
- Complete System On a Chip (SoC); integrating RF transceiver, high-end multimedia, high-speed 480-Mbps USB 2.0 OTG, full mixed-signal support for speakers, stereo DAC and audio amplifiers, USB transceiver, full security and DRM, and high-performance 208-MHz ARM9™ processor
- Compact, 12 mm x 12 mm, 407-pin FBGA package for low-cost PCB design
- Enables small, thin design through integrated multimedia, RF, and mixed-signal audio





