BCM43362KUBGT Datasheet, PDF (5/84 Pages) Cypress Semiconductor – Single-Chip IEEE 802.11™ b/g/n MAC/Baseband/Radio + SDIO

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
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