BCM43903 Datasheet, PDF (6/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor

BCM43903 Preliminary Data Sheet
Table of Contents
Section 6: Global Functions ............................................................................................ 29
External Coexistence Interface ................................................................................................................. 29
One-Time Programmable Memory ............................................................................................................ 29
Hibernation Block....................................................................................................................................... 30
System Boot Sequence.............................................................................................................................. 30
Section 7: Wireless LAN Subsystem ............................................................................... 31
WLAN CPU and Memory Subsystem........................................................................................................ 31
IEEE 802.11n MAC ...................................................................................................................................... 31
PSM....................................................................................................................................................... 33
WEP ...................................................................................................................................................... 33
TXE ....................................................................................................................................................... 34
RXE ....................................................................................................................................................... 34
IFS......................................................................................................................................................... 34
TSF........................................................................................................................................................ 35
NAV ....................................................................................................................................................... 35
MAC-PHY Interface............................................................................................................................... 35
IEEE 802.11^™ b/g/n PHY ............................................................................................................................ 36
Section 8: WLAN Radio Subsystem ............................................................................... 38
Receiver Path.............................................................................................................................................. 38
Transmit Path.............................................................................................................................................. 38
Calibration................................................................................................................................................... 38
Section 9: Pinout and Signal Descriptions ..................................................................... 40
Ball Map....................................................................................................................................................... 40
Ball List........................................................................................................................................................ 41
Signal Descriptions .................................................................................................................................... 44
Section 10: GPIO Signals and Strapping Options.......................................................... 49
Overview...................................................................................................................................................... 49
Weak Pull-Down and Pull-Up Resistances............................................................................................... 49
Strapping Options ...................................................................................................................................... 50
Alternate GPIO Signal Functions .............................................................................................................. 51
Section 11: Pin Multiplexing............................................................................................. 52
Section 12: I/O States........................................................................................................ 54
Section 13: Electrical Characteristics ............................................................................. 57
Absolute Maximum Ratings ...................................................................................................................... 57
Environmental Ratings .............................................................................................................................. 58
Electrostatic Discharge Specifications .................................................................................................... 58
Recommended Operating Conditions and DC Characteristics ............................................................. 59
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March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
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