BCM43903 Datasheet, PDF (48/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor

BCM43903 Preliminary Data Sheet
Signal Descriptions
Table 7: Signal Descriptions (Cont.)
Ball Number Signal Name
RF Signal Interface (WLAN)
L1
WRF_RFIN_2G
P3
RF_GND_P3
M1
WRF_PAOUT_2G
P2
RF_GND_P2
L3
WRF_GPAIO_OUT
RF Switch Control Lines
M9
RF_SW_CTRL_0
L11
RF_SW_CTRL_1
P9
RF_SW_CTRL_2
N9
RF_SW_CTRL_3
L9
RF_SW_CTRL_4
M10
RF_SW_CTRL_5
K10
RF_SW_CTRL_6
L12
RF_SW_CTRL_7
M12
RF_SW_CTRL_8
N11
RF_SW_CTRL_9
SPI Flash Interface
A5
SFL_CLK
A4
SFL_IO0
B3
SFL_IO1
B4
SFL_IO2
C4
SFL_IO3
A6
SFL_CS
Type Description
I
GND
O
GND
I/O
2.4 GHz WLAN receiver input
RF ground
2.4 GHz WLAN PA output
RF ground
Analog GPIO
O Programmable RF switch control lines. The control lines are
O
programmable via the driver and nvram.txt file.
O
O
O
I/O
I/O
I/O
I/O
I/O
O Flash clock
I/O Flash data
I/O Flash data
I/O Flash data
I/O Flash data
O Flash slave select
Broadcom^®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 47