BCM4339 Preliminary Data Sheet
Signal Descriptions
Table 20: FCFBGA, WLBGA, and WLCSP Signal Descriptions (Cont.)
WLBGA
Ball#
FCFBGA
Ball#
WLCSP
Bump#
Signal Name
Type Description
J1
–
–
FM_AUDIOVDD1P2
PWR FM Audio power supply.
WLAN Supplies
–
L15
127, 128,
130, 131
WRF_BUCK_VDD1P5
PWR Internal capacitor-less LDO
supply.
H8
K9
L9
–
–
WRF_WL_LNLDOIN_VDD1 PWR LNLDO 1.35V supply.
P5
V19
V14
132
112
WRF_SYNTH_VBAT_VDD3 PWR Synth VDD 3.3V supply.
P3
WRF_PADRV_VBAT_VDD3 PWR PA Driver VBAT supply.
P3
N10
N9
V15
V13
U18
T18
107, 110
113, 114
134
WRF_PA5G_VBAT_VDD3P3 PWR 5 GHz PA 3.3V VBAT supply.
WRF_PA2G_VBAT_VDD3P3 PWR 2 GHz PA 3.3V VBAT supply.
K10
K11
WRF_MMD_VDD1P2
WRF_PFD_VDD1P2
PWR 1.2V supply.
PWR 1.2V supply.
139
Miscellaneous Supplies
–
L18
155
OTP_VDD33
PWR OTP 3.3V supply.
C7, C12,
E10, E11,
213–241
VDDC/WL_VDDC
PWR 1.2V core supply for WLAN.
G4, G5, G8 G14, H14,
K7
F3
B3
210–212
VDDIO /VDDIO2
PWR 1.8V–3.3V supply for WLAN.
Must be directly connected to
PMU_VDDIO and BT_VDDIO
on the PCB.
H5, J4
–
L7, M7
L2
67–74
37, 38
BT_VDDC
PWR 1.2V core supply for BT.
PMU_VDDIO
PWR 1.8V–3.3V supply for PMU
controls. Must be directly
connected to VDDIO and
BT_VDDIO on the PCB.
H4
L3
63–65
BT_VDDIO
PWR 1.8V–3.3V supply for BT. Must
be directly connected to
PMU_VDDIO and VDDIO on
the PCB.
D9
E7
C8
A9
K17
–
177, 178
156, 157
184
VDDIO_SD
VDDIO_RF
PWR 1.8V–3.3V supply for SDIO
pads.
PWR IO supply for RF switch control
pads (3.3V).
AVDD12PLL/
HSIC_AVDD12PLL
PWR HSIC is not supported. Connect
this pin to ground to minimize
leakage.
C9
–
185
DVDD12HSIC/
HSIC_DVDD12
PWR HSIC is not supported. Connect
this pin to ground to minimize
leakage.
G12
–
L19
143
159
BBPLL_AVDD1P2
PLL_AVDD1P2
PWR 1.2V supply for baseband PLL.
PWR 1.2V supply for PCIe PLL.
D18
Broadcom®
November 17, 2014 • 4339-DS106-R
Page 111
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