BCM4354 datasheet(8/192 Pages) CYPRESS

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Table of Contents

BCM4354 Data Sheet

Broadcom®

October 15, 2014 • 4354-DS109-R

Page 7

BROADCOM CONFIDENTIAL

Table of Contents

About This Document ................................................................................................................................16

Purpose and Audience.......................................................................................................................... 16

Acronyms and Abbreviations................................................................................................................. 16

References............................................................................................................................................ 16

Technical Support ...................................................................................................................................... 16

Section 1: Overview .......................................................................................................... 17

Overview...................................................................................................................................................... 17

Features....................................................................................................................................................... 19

Standards Compliance............................................................................................................................... 20

Section 2: Power Supplies and Power Management ..................................................... 22

Power Supply Topology............................................................................................................................. 22

BCM4354 PMU Features ............................................................................................................................ 22

WLAN Power Management ........................................................................................................................ 24

PMU Sequencing ........................................................................................................................................ 25

Power-Off Shutdown .................................................................................................................................. 26

Power-Up/Power-Down/Reset Circuits..................................................................................................... 26

Section 3: Frequency References.................................................................................... 27

Crystal Interface and Clock Generation ................................................................................................... 27

External Frequency Reference.................................................................................................................. 28

External 32.768 kHz Low-Power Oscillator .............................................................................................. 30

Section 4: Bluetooth + FM Subsystem Overview ........................................................... 31

Features....................................................................................................................................................... 31

Bluetooth Radio.......................................................................................................................................... 33

Transmit ................................................................................................................................................ 33

Digital Modulator ................................................................................................................................... 33

Digital Demodulator and Bit Synchronizer............................................................................................. 33

Power Amplifier ..................................................................................................................................... 33

Receiver ................................................................................................................................................ 34

Digital Demodulator and Bit Synchronizer............................................................................................. 34

Receiver Signal Strength Indicator........................................................................................................ 34

Local Oscillator Generation................................................................................................................... 34

Calibration ............................................................................................................................................. 34

Section 5: Bluetooth Baseband Core .............................................................................. 35

Bluetooth 4.1 Features............................................................................................................................... 35

Bluetooth Low Energy ............................................................................................................................... 35

Link Control Layer...................................................................................................................................... 36

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