BCM4330 Preliminary Data Sheet
Table of Contents
SDIO Pin Descriptions ............................................................................................................................74
Generic SPI Mode .........................................................................................................................................76
SPI Protocol............................................................................................................................................77
Command Structure .......................................................................................................................78
Write...............................................................................................................................................78
Write/Read .....................................................................................................................................78
Read................................................................................................................................................78
Status..............................................................................................................................................79
gSPI Host-Device Handshake .................................................................................................................81
Boot-Up Sequence .................................................................................................................................81
HSIC Interface ...............................................................................................................................................84
Section 12: Wireless LAN MAC and PHY........................................................................... 85
MAC Features ...............................................................................................................................................85
MAC Description ....................................................................................................................................85
PSM.................................................................................................................................................87
WEP ................................................................................................................................................87
TXE..................................................................................................................................................88
RXE..................................................................................................................................................88
IFS ...................................................................................................................................................89
TSF ..................................................................................................................................................89
NAV.................................................................................................................................................89
MAC-PHY Interface.........................................................................................................................89
WLAN PHY Description.................................................................................................................................90
PHY Features..........................................................................................................................................90
Section 13: WLAN Radio Subsystem ............................................................................... 93
Receive Path .................................................................................................................................................93
Transmit Path ...............................................................................................................................................93
Calibration ....................................................................................................................................................93
Section 14: Pinout and Signal Descriptions ...................................................................... 95
Signal Assignments.......................................................................................................................................95
WLAN GPIO Signals and Strapping Options .........................................................................................112
Muxed Bluetooth GPIO Signals............................................................................................................113
I/O States .............................................................................................................................................115
Section 15: DC Characteristics ....................................................................................... 117
Absolute Maximum Ratings.......................................................................................................................117
BROADCOM
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BCM4330 Preliminary Data Sheet
April 28, 2011 • 4330-DS304-RI
Page 12
CYPRESS [ CYPRESS ]
