Document Number: 002-14826 Rev. *G
Page 27 of 65
PRELIMINARY
CYW43903
9. Pinout and Signal Descriptions
9.1 Ball Map
Figure 11. 151-Ball WLBGA Map—Top View with Balls Facing Down
P
N
M
L
K
J
H
G
F
E
D
C
B
A
12
VDDIO
RF_SW_
CTRL_8
RF_SW_
CTRL_7
PWR_GND
NC_J12
NC_H12
GPIO_3
GPIO_6
VOUT_3P3
LDO_
VDDBAT5V
LDO_
VDD1P5
SR_
VDDBAT5V
SR_PVSS
12
11
SRSTN
RF_SW_
CTRL_9
VSSC
RF_SW_
CTRL_1
VSSC
NC_J11
VDDC
NC_G11
GPIO_5
VDDIO
VOUT_LNLDO
VOUT_
HSICLDO
VOUT_CLDO
SR_VLX
11
10
JTAG_SEL
NC_N10
RF_SW_
CTRL_5
VDDC
RF_SW_
CTRL_6
NC_J10
VSSC
GPIO_2
GPIO_4
VDDIO
VSSC
PMU_AVSS
VOUT_
CLDO_SENSE
WL_REG_ON
10
9
RF_SW_
CTRL_2
RF_SW_
CTRL_3
RF_SW_
CTRL_0
RF_SW_
CTRL_4
VDDIO_RF
VSSC
NC_H9
VSSC
VSSC
VDDIO
GPIO_8
VSSC
I2C0_SDATA
VDDC
9
8
OTP_VDD3P3
AVDD1P2
LPO_XTAL_IN
VSSC
VDDIO_RF
VDDIO
VSSC
GPIO_13
VSSC
I2C0_CLK
UART0_TXD
VDDIO
8
7
WRF_XTAL_
XON
WRF_XTAL_
GND1P2
AVSS
VDDC
VDDIO
VDDC
VSSC
VSSC
UART0_RXD
UART0_RTS
UART0_CTS
7
6
WRF_XTAL_
XOP
WRF_XTAL_
VDD1P35
WRF_XTAL_
VDD1P2
WRF_SYNTH_
VDD3P3
VDDC
VSSC
VDDC
VSSC
SPI0_CS
GPIO_12
SPI0_SISO
SFL_CS
6
5
WRF_PMU_
VDD1P35
WRF_SYNTH_
VDD1P2
WRF_SYNTH_
GND
WRF_VCO_
GND
VDDC
VSSC
VDDC
VDDC
GPIO_7
SPI0_MISO
SPI0_CLK
SFL_CLK
5
4
WRF_RX5G_
GND
WRF_AFE_
VDD1P35
WRF_GENERAL
_GND
WRF_EXT_
TSSIA
VSSC
VSSC
VDDC
SFL_IO3
SFL_IO2
SFL_IO0
4
3
RF_GND_P3
WRF_GENERAL
2_GND
WRF_AFE_
GND
WRF_GPAIO_
OUT
HIB_REG_
ON_IN
HIB_LPO_
SELMODE
HIB_WAKE_B
VSSC
VSSC
VDDC
VSSC
SFL_IO1
GPIO_14
3
2
RF_GND_P2
WRF_PA_
GND3P3
WRF_TXMIX_
VDD
WRF_RX2G_
GND
VSSC
HIB_XTALOUT
HIB_XTALIN
VSSC
VDDC
GPIO_9
VSSC
GPIO_16
VSSC
GPIO_15
2
1
WRF_PA_
VDD3P3
WRF_
PAOUT_2G
WRF_RFIN_
2G
VSSC
VDDC
HIB_REG_ON_O
UT
HIB_VDDO
VDDC
GPIO_0
GPIO_1
GPIO_10
GPIO_11
1
P
N
M
L
K
J
H
G
F
E
D
C
B
A