BCM88335 Data Sheet
Table of Contents
Table of Contents
About This Document ................................................................................................................................ 14
Purpose and Audience.......................................................................................................................... 14
Acronyms and Abbreviations................................................................................................................. 14
Document Conventions......................................................................................................................... 14
References............................................................................................................................................ 14
Technical Support ...................................................................................................................................... 15
Section 1: Overview .......................................................................................................... 16
Overview...................................................................................................................................................... 16
Features....................................................................................................................................................... 18
Standards Compliance...............................................................................................................................19
Automotive Usage Model........................................................................................................................... 20
Section 2: Power Supplies and Power Management ..................................................... 21
Power Supply Topology............................................................................................................................. 21
PMU Features.............................................................................................................................................. 21
WLAN Power Management........................................................................................................................ 23
PMU Sequencing ........................................................................................................................................ 24
Power-Off Shutdown.................................................................................................................................. 25
Power-Up/Power-Down/Reset Circuits..................................................................................................... 25
Section 3: Frequency References.................................................................................... 26
Crystal Interface and Clock Generation ................................................................................................... 26
External Frequency Reference.................................................................................................................. 27
Frequency Selection .................................................................................................................................. 29
External 32.768 kHz Low-Power Oscillator .............................................................................................. 30
Section 4: Bluetooth Subsystem Overview .................................................................... 31
Features....................................................................................................................................................... 31
Bluetooth Radio.......................................................................................................................................... 32
Transmitter............................................................................................................................................ 32
Digital Modulator ............................................................................................................................ 32
Digital Demodulator and Bit Synchronizer ..................................................................................... 32
Power Amplifier.............................................................................................................................. 33
Receiver................................................................................................................................................ 33
Digital Demodulator and Bit Synchronizer ..................................................................................... 33
Receiver Signal Strength Indicator................................................................................................. 33
Local Oscillator Generation............................................................................................................ 33
Calibration...................................................................................................................................... 33
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 5
BROADCOM CONFIDENTIAL
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