BCM4339 Preliminary Data Sheet
Table of Contents
Short Frame Sync, Burst Mode...................................................................................................... 55
Long Frame Sync, Burst Mode ...................................................................................................... 56
USB Interface.............................................................................................................................................. 57
Features................................................................................................................................................ 57
Operation............................................................................................................................................... 57
USB Hub and UHE Support .................................................................................................................. 58
USB Full-Speed Timing......................................................................................................................... 58
UART Interface............................................................................................................................................ 59
I2S Interface................................................................................................................................................. 61
I2S Timing.............................................................................................................................................. 62
Section 8: FM Receiver Subsystem................................................................................. 64
FM Radio ..................................................................................................................................................... 64
Digital FM Audio Interfaces ....................................................................................................................... 64
FM Over Bluetooth ..................................................................................................................................... 64
eSCO............................................................................................................................................................ 64
Wide Band Speech Link............................................................................................................................. 65
A2DP............................................................................................................................................................ 65
Autotune and Search Algorithms ............................................................................................................. 65
Audio Features ........................................................................................................................................... 66
RDS/RBDS................................................................................................................................................... 69
Section 9: WLAN Global Functions ................................................................................. 70
WLAN CPU and Memory Subsystem........................................................................................................ 70
One-Time Programmable Memory............................................................................................................ 70
GPIO Interface............................................................................................................................................. 71
External Coexistence Interface ................................................................................................................. 71
UART Interface............................................................................................................................................ 72
JTAG Interface............................................................................................................................................ 72
SPROM Interface (FCBGA Package only) ............................................................................................... 72
Section 10: WLAN Host Interfaces................................................................................... 73
SDIO v3.0..................................................................................................................................................... 73
SDIO Pins.............................................................................................................................................. 73
Generic SPI Mode....................................................................................................................................... 75
SPI Protocol .......................................................................................................................................... 76
Command Structure....................................................................................................................... 77
Write............................................................................................................................................... 77
Write/Read ..................................................................................................................................... 77
Read............................................................................................................................................... 77
Status............................................................................................................................................. 78
Broadcom®
November 17, 2014 • 4339-DS106-R
Page 10
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