BCM43455 Preliminary Data Sheet
Table of Contents
UART Interface............................................................................................................................................ 56
I2S Interface................................................................................................................................................. 57
I2S Timing.............................................................................................................................................. 58
Section 8: FM Receiver Subsystem................................................................................. 60
FM Radio ..................................................................................................................................................... 60
Digital FM Audio Interfaces ....................................................................................................................... 60
FM Over Bluetooth ..................................................................................................................................... 60
eSCO............................................................................................................................................................ 60
Wideband Speech Link .............................................................................................................................. 61
A2DP............................................................................................................................................................ 61
Autotune and Search Algorithms ............................................................................................................. 61
Audio Features ........................................................................................................................................... 62
RDS/RBDS................................................................................................................................................... 64
Section 9: WLAN Global Functions ................................................................................. 65
WLAN CPU and Memory Subsystem........................................................................................................ 65
One-Time Programmable Memory............................................................................................................ 65
GPIO Interface............................................................................................................................................. 65
External Coexistence Interface ................................................................................................................. 66
UART Interface............................................................................................................................................ 67
JTAG/SWD Interface................................................................................................................................... 67
Section 10: WLAN Host Interfaces................................................................................... 68
SDIO v3.0..................................................................................................................................................... 68
SDIO Pins.............................................................................................................................................. 69
PCI Express Interface................................................................................................................................. 70
Transaction Layer Interface................................................................................................................... 71
Data Link Layer..................................................................................................................................... 71
Physical Layer....................................................................................................................................... 71
Logical Subblock................................................................................................................................... 71
Scrambler/Descrambler......................................................................................................................... 71
8B/10B Encoder/Decoder...................................................................................................................... 72
Elastic FIFO........................................................................................................................................... 72
Electrical Subblock................................................................................................................................ 72
Configuration Space.............................................................................................................................. 72
Section 11: Wireless LAN MAC and PHY ........................................................................ 73
IEEE 802.11ac MAC .................................................................................................................................... 73
PSM....................................................................................................................................................... 74
WEP...................................................................................................................................................... 75
TXE ....................................................................................................................................................... 75
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 9
BROADCOM CONFIDENTIAL
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