BCM43455 Preliminary Data Sheet
Pin Descriptions
Table 19: Signal Descriptions (Cont.)
Signal Name
WLBGA Ball
Type
Description
WRF_GENERAL2_GND L10
GND
GND
GND
General ground.
Ground.
WRF_SYNTH_GND
VSSC
J9
C5, F5, F9,
G2, K5, L2
Core ground for WLAN and BT.
SR_PVSS
PMU_AVSS
BT_PAVSS
BT_LNAVSS
BT_IFVSS
BT_PLLVSS
FM_PLLVSS
FM_RFVSS
AVSS_BBPLL
PCIE_VSS
No Connect
NC1
A1
C2
M6
M7
L6
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Power ground.
Quiet ground.
Bluetooth PA ground.
Bluetooth LNA ground.
Bluetooth IF block ground.
Bluetooth PLL ground.
FM PLL ground.
L5
M4
M3
E10
C9
FM RF ground.
Baseband PLL ground.
PCIe ground.
D9
E11
E8
–
No connect.
NC2
NC3
NC
H4
–
–
No connect.
–
Depopulated Pins
–
A11, H7, N10
Broadcom®
November 5, 2015 • 43455-DS109-R
Page 90
BROADCOM CONFIDENTIAL
CYPRESS [ CYPRESS ]
