BCM4343W Data Sheet
Table of Contents
External Coexistence Interface ................................................................................................................. 81
2-Wire Coexistence............................................................................................................................... 81
3-Wire and 4-Wire Coexistence Interfaces............................................................................................ 82
JTAG Interface ........................................................................................................................................... 83
UART Interface ........................................................................................................................................... 83
Section 13: WLAN Software Architecture ....................................................................... 84
Host Software Architecture ....................................................................................................................... 84
Device Software Architecture.................................................................................................................... 84
Remote Downloader.............................................................................................................................. 85
Wireless Configuration Utility ................................................................................................................... 85
Section 14: Pinout and Signal Descriptions ................................................................... 86
Ball Map....................................................................................................................................................... 86
WLBGA Ball List in Ball Number Order with X-Y Coordinates .............................................................. 88
WLCSP Bump List in Bump Order with X-Y Coordinates....................................................................... 91
WLBGA Ball List Ordered By Ball Name.................................................................................................. 96
WLCSP Bump List Ordered By Name....................................................................................................... 97
Signal Descriptions.................................................................................................................................... 99
WLAN GPIO Signals and Strapping Options ......................................................................................... 108
Chip Debug Options................................................................................................................................. 109
I/O States................................................................................................................................................... 109
Section 15: DC Characteristics ...................................................................................... 113
Absolute Maximum Ratings .................................................................................................................... 113
Environmental Ratings ............................................................................................................................ 114
Electrostatic Discharge Specifications .................................................................................................. 114
Recommended Operating Conditions and DC Characteristics ........................................................... 115
Section 16: WLAN RF Specifications ............................................................................ 117
2.4 GHz Band General RF Specifications............................................................................................... 117
WLAN 2.4 GHz Receiver Performance Specifications .......................................................................... 118
WLAN 2.4 GHz Transmitter Performance Specifications ..................................................................... 121
General Spurious Emissions Specifications......................................................................................... 123
Section 17: Bluetooth RF Specifications ...................................................................... 124
Section 18: FM Receiver Specifications........................................................................ 130
Section 19: Internal Regulator Electrical Specifications ............................................. 135
Core Buck Switching Regulator.............................................................................................................. 135
3.3V LDO (LDO3P3) .................................................................................................................................. 137
CLDO ......................................................................................................................................................... 138
LNLDO ....................................................................................................................................................... 139
Broadcom®
Single-Chip IEEE 802.11 b/g/n MAC/Baseband/Radio
August 24, 2015 • 4343W-DS107-R
Page 8
BROADCOM CONFIDENTIAL
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