BCM4390 datasheet(6/78 Pages) CYPRESS

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Table of Contents

BCM4390 Advance Data Sheet

BROADCOM

WICED Wi-Fi IEEE 802.11 SoC w/Embedded App Processor

February 5, 2014 • 4390-DS103-R

Page 5

BROADCOM CONFIDENTIAL

UART Interface .............................................................................................................................................28

JTAG Interfaces .............................................................................................................................................29

Boot Sequence..............................................................................................................................................29

Section 7: Wireless LAN MAC and PHY............................................................................. 30

IEEE 802.11n MAC.........................................................................................................................................30

Programmable State Machine........................................................................................................31

Wired Equivalent Privacy................................................................................................................32

Transmit Engine ..............................................................................................................................32

Receive Engine................................................................................................................................32

Interframe Space ............................................................................................................................32

Timing Synchronization Function ...................................................................................................33

Network Allocation Vector .............................................................................................................33

MAC-PHY Interface .........................................................................................................................33

IEEE 802.11n PHY..........................................................................................................................................33

Section 8: WLAN Radio Subsystem .................................................................................. 36

Receiver Path................................................................................................................................................36

Transmit Path ...............................................................................................................................................37

Calibration ....................................................................................................................................................37

Section 9: Pinout and Signal Descriptions ........................................................................ 38

Ball Maps ......................................................................................................................................................38

Pin Lists .........................................................................................................................................................39

Signal Descriptions .......................................................................................................................................47

I/O States ......................................................................................................................................................52

Section 10: DC Characteristics ......................................................................................... 55

Absolute Maximum Ratings .........................................................................................................................55

Environmental Ratings .................................................................................................................................56

Electrostatic Discharge Specifications .........................................................................................................56

Recommended Operating Conditions and DC Characteristics....................................................................56

Section 11: WLAN RF Specifications................................................................................. 58

Introduction..................................................................................................................................................58

2.4 GHz Band General RF Specifications ......................................................................................................59

WLAN 2.4 GHz Receiver Performance Specifications..................................................................................59

WLAN 2.4 GHz Transmitter Performance Specifications.............................................................................62

General Spurious Emissions Specifications..................................................................................................63

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