BCM88335 Data Sheet
Table of Contents
Section 5: Bluetooth Baseband Core .............................................................................. 34
Bluetooth 4.1 Features...............................................................................................................................34
Bluetooth Low Energy ...............................................................................................................................34
Link Control Layer...................................................................................................................................... 35
Test Mode Support..................................................................................................................................... 35
Bluetooth Power Management Unit.......................................................................................................... 36
RF Power Management ........................................................................................................................ 36
Host Controller Power Management ..................................................................................................... 36
BBC Power Management...................................................................................................................... 39
Wideband Speech................................................................................................................................. 39
Packet Loss Concealment..................................................................................................................... 39
Audio Rate-Matching Algorithms........................................................................................................... 40
Codec Encoding.................................................................................................................................... 40
Multiple Simultaneous A2DP Audio Streams........................................................................................ 40
Adaptive Frequency Hopping.................................................................................................................... 41
Advanced Bluetooth/WLAN Coexistence................................................................................................. 41
Fast Connection (Interlaced Page and Inquiry Scans) ........................................................................... 41
Section 6: Microprocessor and Memory Unit for Bluetooth.......................................... 42
Overview...................................................................................................................................................... 42
RAM, ROM, and Patch Memory................................................................................................................. 42
Reset............................................................................................................................................................ 42
Section 7: Bluetooth Peripheral Transport Unit ............................................................. 43
PCM Interface.............................................................................................................................................. 43
Slot Mapping ......................................................................................................................................... 43
Frame Synchronization ......................................................................................................................... 43
Data Formatting..................................................................................................................................... 43
Wideband Speech Support ................................................................................................................... 44
Multiplexed Bluetooth Over PCM .......................................................................................................... 44
PCM Interface Timing............................................................................................................................ 45
Short Frame Sync, Master Mode ................................................................................................... 45
Short Frame Sync, Slave Mode ..................................................................................................... 46
Long Frame Sync, Master Mode.................................................................................................... 47
Long Frame Sync, Slave Mode...................................................................................................... 48
UART Interface............................................................................................................................................ 48
I2S Interface................................................................................................................................................. 50
2
I S Timing.............................................................................................................................................. 51
Section 8: WLAN Global Functions ................................................................................. 53
WLAN CPU and Memory Subsystem........................................................................................................ 53
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 6
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