BCM4319XKUBGT datasheet(9/84 Pages) CYPRESS

Part #	BCM4319XKUBGT

Description	Single-Chip IEEE 802.11??a/b/g/n MAC/Baseband/ Radio with Integrated SDIO and USB Interfaces

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Manufacturer	CYPRESS [Cypress Semiconductor]

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Table of Contents

BCM4319 Preliminary Data Sheet

Broadcom®

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

April 2, 2014 • 4319-DS05-R

Page 8

Table of Contents

About This Document ................................................................................................................................13

Purpose and Audience .......................................................................................................................... 13

Acronyms and Abbreviations................................................................................................................. 13

Document Conventions ......................................................................................................................... 13

Technical Support ...................................................................................................................................... 13

Section 1: Overview .......................................................................................................... 14

Overview...................................................................................................................................................... 14

Mobile Phone Usage Model ....................................................................................................................... 15

Section 2: Power Supplies and Management ................................................................. 16

Power Management.................................................................................................................................... 16

Voltage Regulators..................................................................................................................................... 16

Power Supply Topology............................................................................................................................. 17

PMU Sequencer .......................................................................................................................................... 18

Low-Power Shutdown ................................................................................................................................19

Section 3: Frequency References .................................................................................... 20

Crystal Interface and Clock Generation ................................................................................................... 20

Crystal Oscillator........................................................................................................................................ 21

External Frequency Reference.................................................................................................................. 22

Frequency Selection .................................................................................................................................. 22

Frequency Trimming .................................................................................................................................. 23

Section 4: Global Functions ............................................................................................. 24

General-Purpose Input/Output Interface .................................................................................................. 24

UART Interface............................................................................................................................................ 24

One-Time-Programmable (OTP) Memory ................................................................................................. 24

Bluetooth Coexistence Interface............................................................................................................... 25

JTAG Interface ............................................................................................................................................ 25

Section 5: USB 2.0 and SDIO Interfaces.......................................................................... 26

USB 2.0 Device Core .................................................................................................................................. 26

SDIO V2.0 .................................................................................................................................................... 27

gSPI.............................................................................................................................................................. 28

SPI Protocol .......................................................................................................................................... 28

Command Structure ....................................................................................................................... 30

Write............................................................................................................................................... 30

Write-Read ..................................................................................................................................... 30

Read............................................................................................................................................... 30

Status ............................................................................................................................................. 31

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BCM4319XKUBGT Datasheet(PDF) 9 Page - Cypress Semiconductor

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