LG KE500 Service Manual page 41

3. Circuit Description
3.5.3 Bluetooth circuit Description
One chip Bluetooth Module U302(BRF6150) supports the following feature.
-Bluetooth®1.2
Support A2DP, HFP,HSP
Adaptive Frequency Hopping (AFH)
Fast connection
Extended SCO-All New Paket Types
Scatter Mode
Quality-Of-Service Improvements
LMP Improvements
Synchronization
-UART Interface
Baud Rate: 115.2kbps (default)
-USB Interface v.2.0
-PCM Interface
It is powered by direct battery and VRIO of ABB(U101).
Fast CLK 26MHz and Slow CLK 32kHz from ABB(U101) are used for operating clock.
BT Module interface with DBB(U102) through UART and PCM port and radiate RF signal
through BT Antenna.
3.5.4 Bluetooth Block Diagram
Figure 2-1. BRF6150 Block Diagram
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