Bluetooth/Fm (Wysbnbgx6) - LG -S310 Service Manual

3.17 Bluetooth/FM (WYSBNBGX6)

3.17.1 General Description
The BC7820 is a product from CSR's Connectivity Centre. It is a single-chip radio and baseband IC for
Bluetooth 2.4GHz systems including EDR to 3Mbits/s. It includes an integrated FM transmitter and receiver
with stereo audio input and output stages and RDS modulator/demodulator. With the on-chip CSR Bluetooth
software stack, it provides a system fully qualified to the Bluetooth v2.1 + EDR specification for data and voice
communications.
3.17.2 Features
- BC7820 can be used as part of a fully compliant Bluetooth ® v3.0 + HS system
- Fully qualified Bluetooth v2.1 + EDR system
- Integrated FM radio receiver and transmitter with full RDS/RBDS encoding and decoding, -including
support for TMC encoding and decoding
- Stereo audio input and output stages
- Full-speed Bluetooth operation with full piconet support
- Scatternet support
- 16-bit AuriStream ® (ADPCM) codec
- Low-power selectable 1.2 to 3.6V I/O
- Integrated digital core and analogue regulators
- High-speed UART port (up to 4Mbps)
- 0.4mm pitch WLCSP - no underfill required
- Support for 802®.11 coexistence
- Green (RoHS and no antimony or halogenated flame retardants)
- On-chip balun
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3. TECHNICAL BRIEF
LGE Internal Use Only