BCM88335 Datasheet, PDF (7/140 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac MAC/Baseband/ Radio with Integrated Bluetooth 4.1 for Automotive Applications

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
I²S Timing.............................................................................................................................................. 51
Section 8: WLAN Global Functions ................................................................................. 53
WLAN CPU and Memory Subsystem........................................................................................................ 53
Broadcom^®
September 23, 2015 • 88335-DS100-R
BROADCOM CONFIDENTIAL
Page 6