BCM4343W Data Sheet
Table of Contents
Multiple Simultaneous A2DP Audio Streams ........................................................................................ 61
FM Over Bluetooth ................................................................................................................................ 62
Adaptive Frequency Hopping.................................................................................................................... 62
Advanced Bluetooth/WLAN Coexistence................................................................................................. 62
Fast Connection (Interlaced Page and Inquiry Scans) ........................................................................... 62
Section 9: Microprocessor and Memory Unit for Bluetooth.......................................... 63
RAM, ROM, and Patch Memory................................................................................................................. 63
Reset............................................................................................................................................................ 63
Section 10: Bluetooth Peripheral Transport Unit ........................................................... 64
PCM Interface.............................................................................................................................................. 64
Slot Mapping ......................................................................................................................................... 64
Frame Synchronization ......................................................................................................................... 64
Data Formatting..................................................................................................................................... 64
Wideband Speech Support ................................................................................................................... 65
Multiplexed Bluetooth and FM over PCM.............................................................................................. 65
PCM Interface Timing............................................................................................................................ 66
Short Frame Sync, Master Mode ................................................................................................... 66
Short Frame Sync, Slave Mode ..................................................................................................... 67
Long Frame Sync, Master Mode.................................................................................................... 68
Long Frame Sync, Slave Mode...................................................................................................... 69
UART Interface............................................................................................................................................ 70
2
I S Interface................................................................................................................................................. 72
2
I S Timing.............................................................................................................................................. 72
Section 11: FM Receiver Subsystem............................................................................... 75
FM Radio ..................................................................................................................................................... 75
Digital FM Audio Interfaces ....................................................................................................................... 75
Analog FM Audio Interfaces...................................................................................................................... 75
FM Over Bluetooth ..................................................................................................................................... 75
eSCO............................................................................................................................................................ 75
Wideband Speech Link .............................................................................................................................. 76
A2DP............................................................................................................................................................ 76
Autotune and Search Algorithms ............................................................................................................. 76
Audio Features ........................................................................................................................................... 77
RDS/RBDS................................................................................................................................................... 79
Section 12: CPU and Global Functions........................................................................... 80
WLAN CPU and Memory Subsystem........................................................................................................ 80
One-Time Programmable Memory............................................................................................................ 80
GPIO Interface............................................................................................................................................. 81
Broadcom®
Single-Chip IEEE 802.11 b/g/n MAC/Baseband/Radio
August 24, 2015 • 4343W-DS107-R
Page 7
BROADCOM CONFIDENTIAL
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