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BCM43362

Single-Chip IEEE 802.11™ b/g/n MAC/Baseband/Radio + SDIO

Broadcom Corporation 

BCM43362 Data Sheet

Table of Contents

Table of Contents

About This Document .................................................................................................................................. 9

Purpose and Audience ............................................................................................................................ 9

Acronyms and Abbreviations................................................................................................................... 9

Document Conventions ........................................................................................................................... 9

References ............................................................................................................................................ 10

Technical Support ...................................................................................................................................... 10

Section 1: Overview .......................................................................................................... 11

Overview...................................................................................................................................................... 11

Standards Compliance............................................................................................................................... 12

Section 2: Power Supplies and Power Management ..................................................... 13

WLAN Power Management ........................................................................................................................ 13

Power Supply Topology............................................................................................................................. 14

Voltage Regulators..................................................................................................................................... 15

PMU Sequencing ........................................................................................................................................ 15

Low-Power Shutdown ................................................................................................................................ 16

CBUCK Regulator Features....................................................................................................................... 16

Section 3: Frequency References.................................................................................... 18

Crystal Interface and Clock Generation ................................................................................................... 18

TCXO............................................................................................................................................................ 19

External 32.768 kHz Low-Power Oscillator .............................................................................................. 21

Section 4: WLAN System Interfaces................................................................................ 22

SDIO v2.0..................................................................................................................................................... 22

SDIO Pin Descriptions........................................................................................................................... 22

Generic SPI Mode ....................................................................................................................................... 24

SPI Protocol .......................................................................................................................................... 24

Command Structure ....................................................................................................................... 27

Write............................................................................................................................................... 27

Write/Read ..................................................................................................................................... 27

Read............................................................................................................................................... 27

Status ............................................................................................................................................. 28

gSPI Host-Device Handshake............................................................................................................... 30

Boot-Up Sequence ................................................................................................................................ 30

External Coexistence Interface ................................................................................................................ 33

Section 5: Wireless LAN MAC and PHY .......................................................................... 34

MAC Features ............................................................................................................................................. 34

MAC Description ................................................................................................................................... 34

Broadcom®

February 13, 2015 • 43362-DS106-R

IEEE 802.11 b/g/n MAC/Baseband/Radio + SDIO

Page 4

BROADCOM CONFIDENTIAL

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