BCM88335 Data Sheet
Signal Descriptions
Table 15: WLBGA Signal Descriptions (Cont.)
WLBGA
Ball#
Signal Name
Description
Type
Ground
H10
WRF_VCO_GND1P2/
WRF_VCO_GND
VCO/LOGEN ground.
AFE ground.
GND
GND
K7
J8
WRF_AFE_GND1P2
WRF_BUCK_GND1P5
Internal capacitor-less LDO
ground.
GND
M7
WRF_LNA_2G_GND1P2
WRF_LNA_5G_GND1P2
WRF_TX_GND1P2
2 GHz internal LNA ground.
5 GHz internal LNA ground.
TX ground.
GND
GND
GND
GND
M12
L8
L10
WRF_PADRV_VBAT_GND3 PAD ground.
P3
G11
L7
WRF_XTAL_GND1P2
WRF_RX2G_GND1P2
WRF_RX5G_GND1P2
WRF_LO_GND1P2_1
WRF_LO_GND1P2_2
XTAL ground.
RX 2GHz ground.
RX 5GHz ground.
LO ground.
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
L12
L11
K8
LO ground.
M11
M10
M9
M8
J9
WRF_PA_VBAT_GND3P3_1 PA ground.
WRF_PA_VBAT_GND3P3_2 PA ground.
WRF_PA_VBAT_GND3P3_3 PA ground.
WRF_PA_VBAT_GND3P3_4 PA ground.
WRF_MMD_GND1P2
Ground.
Ground.
J11
WRF_CP_GND1P2/
WRF_CP_GND
J10
WRF_PFD_GND1P2
VSSC
Ground.
GND
D7, D11,
E3, E8, J5,
K4
Core ground for WLAN and BT. GND
B1
C3
D8
SR_PVSS
Power ground.
Quiet ground.
PLL ground.
GND
GND
GND
PMU_AVSS
AGND12PLL/
HSIC_AGNDPLL
M5
L6
BT_PAVSS
BT_IFVSS
BT_PLLVSS
BT_VCOVSS
VSSF
Bluetooth PA ground.
Bluetooth IF block ground.
Bluetooth PLL ground.
Bluetooth VCO ground.
Ground.
GND
GND
GND
GND
GND
GND
GND
GND
GND
L5
M3
M1
M2
L3
VSSF
Ground.
VSSF
Ground.
K2
G10
VSSF
Ground.
AVSS_BBPLL/BBPLLAVSS Baseband PLL ground.
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 80
BROADCOM CONFIDENTIAL
CYPRESS [ CYPRESS ]
