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
–
D19
167
AVDD1P2
PWR 1.2V supply for PCIe.
Ground
H10
L12
126
WRF_VCO_GND1P2/
WRF_VCO_GND
GND VCO/LOGEN ground.
–
–
183
124
129
DVDD12HSIC2
GND Supply for DVDD12HSIC2.
GND AFE ground.
K7
J8
R12
M12
WRF_AFE_GND1P2
WRF_BUCK_GND1P5
GND Internal capacitor-less LDO
ground.
M7
T10
T15
R13
R14
119
101
125
108
WRF_LNA_2G_GND1P2
WRF_LNA_5G_GND1P2
WRF_TX_GND1P2
GND 2 GHz internal LNA ground.
GND 5 GHz internal LNA ground.
GND TX ground.
M12
L8
L10
WRF_PADRV_VBAT_GND3 GND PAD ground.
P3
G11
L7
L12
–
M15, P18
P11
137
WRF_XTAL_GND1P2
WRF_RX2G_GND1P2
WRF_RX5G_GND1P2
WRF_LOGEN_GND1P2
WRF_LOGENG_GND1P2
WRF_LO_GND1P2_1
WRF_LO_GND1P2_2
GND XTAL ground.
GND RX 2GHz ground.
GND RX 5GHz ground.
GND LOGEN ground.
GND LOGEN ground.
GND LO ground.
117, 120
103
T16
R15
104
–
M11
123
L11
K8
–
–
–
–
–
GND LO ground.
U15, V16
105, 109
WRF_PA5G_VBAT_GND3P GND 5 GHz PA ground.
3
–
R11, V12
111, 116
WRF_PA2G_VBAT_GND3P GND 2 GHz PA ground.
3
M11
M10
M9
–
–
WRF_PA_VBAT_GND3P3_1 GND PA ground.
WRF_PA_VBAT_GND3P3_2 GND PA ground.
WRF_PA_VBAT_GND3P3_3 GND PA ground.
WRF_PA_VBAT_GND3P3_4 GND PA ground.
–
–
–
–
M8
–
–
J9
P14
N15
133
135
WRF_MMD_GND1P2
GND Ground.
GND Ground.
J11
WRF_CP_GND1P2/
WRF_CP_GND
J10
P15
140
WRF_PFD_GND1P2
GND Ground.
D7, D11,
H9–H12,
31, 35, 161, VSSC
GND Core ground for WLAN and BT.
E3, E8, J5, J8, J12, K8, 163, 168,
K4
K12, L8, L11, 242–286
M8–M10
B1
C3
D8
D1, E1, E2 1, 2, 4, 5
SR_PVSS
GND Power ground.
GND Quiet ground.
GND PLL ground.
H8
–
21
PMU_AVSS
182
AGND12PLL/
HSIC_AGNDPLL
M5
T8
94
BT_PAVSS
GND Bluetooth PA ground.
Broadcom®
November 17, 2014 • 4339-DS106-R
Page 112
CYPRESS [ CYPRESS ]
