BCM4325
Preliminary Data Sheet
6/30/09
Test Mode Support .....................................................................................................................................15
Bluetooth Power Management Unit ..........................................................................................................15
RF Power Management.........................................................................................................................16
Host Controller Power Management .....................................................................................................16
BBC Power Management......................................................................................................................16
FM Power Management ........................................................................................................................16
Adaptive Frequency Hopping....................................................................................................................17
Advanced Bluetooth/WLAN Coexistence.................................................................................................17
Fast Connection (Interlaced Page and Inquiry Scans)............................................................................17
Section 6: Microprocessor and Memory Unit for Bluetooth ......................................... 18
RAM, ROM, and Patch Memory .................................................................................................................18
Section 7: Bluetooth Peripheral Transport Unit............................................................. 19
PCM Interface for Bluetooth and SCO Audio...........................................................................................19
Slot Mapping..........................................................................................................................................20
Frame Sync ...........................................................................................................................................20
Data Formatting.....................................................................................................................................20
PCM Interface for FM Audio..................................................................................................................20
Bluetooth UART Interface..........................................................................................................................20
Auto-Baudrate Detection .......................................................................................................................22
I2S Interface ................................................................................................................................................22
Section 8: FM Receiver Subsystem................................................................................. 23
Sensitivity....................................................................................................................................................23
PLL Tuning..................................................................................................................................................23
Digital FM Output........................................................................................................................................23
Analog FM Output.......................................................................................................................................23
Broadcom Serial Control (BSC) Bus.........................................................................................................23
RDS/RBDS...................................................................................................................................................24
Other Features ............................................................................................................................................24
Section 9: Wireless LAN Functional Description........................................................... 25
Introduction to IEEE Std 802.11 ................................................................................................................25
IEEE 802.11a/g MAC Features ...................................................................................................................25
IEEE 802.11a/g MAC Description ..............................................................................................................26
IEEE 802.11a/g PHY Features....................................................................................................................27
Broadcom Corporation
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Document 4325-DS04-R
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