BCM4339 Preliminary Data Sheet
Table of Contents
Table of Contents
About This Document ................................................................................................................................ 18
Purpose and Audience.......................................................................................................................... 18
Acronyms and Abbreviations................................................................................................................. 18
Document Conventions......................................................................................................................... 18
References............................................................................................................................................ 18
Technical Support ...................................................................................................................................... 19
Section 1: Overview .......................................................................................................... 20
Overview...................................................................................................................................................... 20
Features....................................................................................................................................................... 22
Standards Compliance...............................................................................................................................23
Mobile Phone Usage Model....................................................................................................................... 24
Section 2: Power Supplies and Power Management ..................................................... 25
Power Supply Topology............................................................................................................................. 25
PMU Features.............................................................................................................................................. 25
WLAN Power Management........................................................................................................................ 27
PMU Sequencing ........................................................................................................................................ 28
Power-Off Shutdown.................................................................................................................................. 29
Power-Up/Power-Down/Reset Circuits..................................................................................................... 29
Section 3: Frequency References.................................................................................... 30
Crystal Interface and Clock Generation ................................................................................................... 30
External Frequency Reference.................................................................................................................. 31
Frequency Selection .................................................................................................................................. 33
External 32.768 kHz Low-Power Oscillator .............................................................................................. 34
Section 4: Bluetooth + FM Subsystem Overview ........................................................... 35
Features....................................................................................................................................................... 35
Bluetooth Radio.......................................................................................................................................... 37
Transmit ................................................................................................................................................ 37
Digital Modulator ................................................................................................................................... 37
Digital Demodulator and Bit Synchronizer............................................................................................. 37
Power Amplifier..................................................................................................................................... 37
Receiver................................................................................................................................................ 38
Digital Demodulator and Bit Synchronizer............................................................................................. 38
Receiver Signal Strength Indicator........................................................................................................ 38
Local Oscillator Generation................................................................................................................... 38
Calibration ............................................................................................................................................. 38
Broadcom®
November 17, 2014 • 4339-DS106-R
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