
Broadcom Corporation
OVERVIEW
The Broadcom® BCM2049 is a cost-effective solution for portable devices, such as mobile handsets and media players, that require Bluetooth and FM receiver/transmitter functionality. At the software layer, the BCM2049 is backward-compatible with Broadcom’s Bluetooth + FM device family, which includes the BCM20780 and BCM2048.
FEATURES
• Bluetooth
• Bluetooth® 2.1 + EDR specification compliant
• On-chip, integrated, Class 1 power amplifier
• Typical receive sensitivity of –90 dBm
• SmartAudio® technology, improving voice and music quality to Bluetooth headsets
• Multiple simultaneous Advanced Audio Distribution Profile (A2DP) streams
• Wideband speech support
• Low current consumption in all Bluetooth modes
• WLAN and WiMAX coexistence support
• Supports high-speed UART (H4, H5), secure digital I/O (SDIO), and serial peripheral interface (SPI)
• General
• Monolithic, 65 nm CMOS, single-die Host Controller Interface (HCI) and FM transceiver integration
• PCB area requirement less than 40 mm2
• Spurious-free simultaneous operation between Bluetooth and FM receiver/transmitter
• ROM-based solution with flexible code patching and in-system debugging facility
• Compatible with Broadcom’s Bluetooth + FM device family, which includes the BCM20780 and BCM2048.
• On-chip low-dropout (LDO) regulators (support direct battery connection)
• WLBGA and FPBGA packages available
• FM Transceiver
• 65–108 MHz FM+RDS/RBDS band support for world coverage, including OIRT support for Eastern Europe
• Supports external or internal antenna configurations
• Host interface flexibility
- Control: UART, SDIO, SPI, BSC (I2C-compatible)
- Audio: Analog input/output and dual I2S ports
• Superior FM receiver performance with –110 dBm typical sensitivity with a 26 dB SNR
• Advanced FM channel search algorithms
• High-power FM transmitter with programmable power control to meet regulatory requirements
• SmartAudio technology for superior music quality during FM transmission
• Low power FM receive recording with an on-chip MP3 encoder
• Supports FM-over-Bluetooth (A2DP), through an on-chip SBC codec, while the host baseband processor is in Sleep mode
APPLICATIONS
• Mobile handsets and smartphone
• Personal digital assistant (PDA)
• Portable media players
• Portable navigation devices (GPS)
• Digital satellite radio receivers