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BCM43907 Datasheet, PDF (7/128 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 a/b/g/n SoC with an Embedded Applications Processor
BCM43907 Preliminary Data Sheet
Table of Contents
SDIO 3.0—Device Mode ...................................................................................................................... 34
Description ..................................................................................................................................... 34
SDIO Pins ...................................................................................................................................... 35
SDIO 3.0—Host Mode .......................................................................................................................... 36
S/PDIF .......................................................................................................................................................... 36
SPI Flash ..................................................................................................................................................... 37
UART............................................................................................................................................................ 37
USB 2.0 ........................................................................................................................................................ 38
Overview ............................................................................................................................................... 38
USB 2.0 Features.................................................................................................................................. 41
Section 6: Global Functions ............................................................................................. 42
External Coexistence Interface ................................................................................................................. 42
One-Time Programmable Memory ............................................................................................................ 42
Hibernation Block....................................................................................................................................... 43
System Boot Sequence.............................................................................................................................. 43
Section 7: Wireless LAN Subsystem ............................................................................... 44
WLAN CPU and Memory Subsystem........................................................................................................ 44
IEEE 802.11n MAC ...................................................................................................................................... 44
PSM....................................................................................................................................................... 46
WEP ...................................................................................................................................................... 46
TXE ....................................................................................................................................................... 47
RXE ....................................................................................................................................................... 47
IFS......................................................................................................................................................... 47
TSF........................................................................................................................................................ 48
NAV ....................................................................................................................................................... 48
MAC-PHY Interface............................................................................................................................... 48
IEEE 802.11™ a/b/g/n PHY ......................................................................................................................... 49
Section 8: WLAN Radio Subsystem ............................................................................... 51
Receiver Path.............................................................................................................................................. 51
Transmit Path.............................................................................................................................................. 51
Calibration................................................................................................................................................... 51
Section 9: Pinout and Signal Descriptions .................................................................... 53
Bump List .................................................................................................................................................... 54
Signal Descriptions .................................................................................................................................... 59
Section 10: GPIO Signals and Strapping Options.......................................................... 65
Overview...................................................................................................................................................... 65
Weak Pull-Down and Pull-Up Resistances............................................................................................... 65
Strapping Options ...................................................................................................................................... 66
Broadcom®
March 12, 2016 • 43907-DS104-R
BROADCOM CONFIDENTIAL
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