BCM4330 Preliminary Data Sheet
Table of Contents
Table of Contents
About This Document...................................................................................................................................19
Purpose and Audience...........................................................................................................................19
Acronyms and Abbreviations.................................................................................................................19
Document Conventions .........................................................................................................................19
References .............................................................................................................................................20
Technical Support.........................................................................................................................................20
Section 1: BCM4330 Overview......................................................................................... 21
Overview.......................................................................................................................................................21
Features ........................................................................................................................................................22
Standards Compliance..................................................................................................................................23
Mobile Phone Usage Model.........................................................................................................................24
Section 2: Power Supplies and Power Management ........................................................ 26
Power Supply Topology................................................................................................................................26
Voltage Regulators.................................................................................................................................26
WLAN Power Management..........................................................................................................................28
PMU Sequencing ..........................................................................................................................................29
Low-Power Shutdown ..................................................................................................................................30
Reset Circuits ................................................................................................................................................31
Section 3: Frequency References..................................................................................... 32
Crystal Interface and Clock Generation .......................................................................................................32
TCXO .............................................................................................................................................................33
Frequency Selection .....................................................................................................................................36
External 32.768 kHz Low Power Oscillator ..................................................................................................37
Section 4: Bluetooth + FM Subsystem Overview.............................................................. 38
Features ........................................................................................................................................................38
Bluetooth Radio............................................................................................................................................40
Transmit.................................................................................................................................................40
Digital Modulator...................................................................................................................................40
Digital Demodulator and Bit Synchronizer.............................................................................................40
Power Amplifier .....................................................................................................................................40
Receiver .................................................................................................................................................41
Digital Demodulator and Bit Synchronizer.............................................................................................41
Receiver Signal Strength Indicator.........................................................................................................41
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BCM4330 Preliminary Data Sheet
April 28, 2011 • 4330-DS304-RI
Page 9
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