BCM88335 Data Sheet
Signal Descriptions
Table 15: WLBGA Signal Descriptions (Cont.)
WLBGA
Ball#
Signal Name
Description
Bluetooth DEV_WAKE.
Type
K3
J2
BT_DEV_WAKE
I/O
I/O
I/O
BT_HOST_WAKE
Bluetooth HOST_WAKE.
B8
HSIC_STROBE/STROBE
Unsupported. This pin can be
connected to ground or left
unconnected (no-connect).
B7
HSIC_DATA/DATA
RREFHSIC
Unsupported. This pin can be
connected to ground or left
unconnected (no-connect).
I/O
I
B9
K1
Unsupported. Leave this pin
unconnected (no-connect).
NCF
NCF
NCF
No Connect
No Connect
No Connect
–
–
–
L1
–
85
N2
Integrated Voltage Regulators
C2
C1
B2
SR_VDDBATA5V
SR_VDDBATP5V
SR_VLX
Quiet VBAT.
Power VBAT.
I
I
Cbuck switching regulator
output. Refer to Table 37 on
page 113 for details of the
inductor and capacitor required
on this output.
O
D1
F2
LDO_VDD1P5
LNLDO input.
I
I
I
LDO_VDDBAT5V
LDO VBAT.
H11
WRF_XTAL_VDD1P5/
XTAL LDO input (1.35V).
WRF_XTAL_BUCK_VDD1P
5
K12
WRF_XTAL_VDD1P2/
WRF_XTAL_OUT_VDD1P2
XTAL LDO output (1.2V).
O
E2
D2
F1
E1
VOUT_LNLDO
VOUT_CLDO
VOUT_BTLDO2P5
VOUT_3P3
Output of LNLDO.
Output of core LDO.
Output of BT LDO.
LDO 3.3V output.
O
O
O
O
Bluetooth Supplies
N6
N4
BT_PAVDD/BT_PAVDD2P5 Bluetooth PA power supply.
PWR
PWR
BT_LNAVDD/
Bluetooth LNA power supply.
BT_LNAVDD1P2
L4
BT_IFVDD/BT_IFVDD1P2
Bluetooth IF block power
supply.
PWR
PWR
PWR
M4
N3
BT_PLLVDD/
BT_PLLVDD1P2
Bluetooth RF PLL power
supply.
BT_VCOVDD/
Bluetooth RF power supply.
BT_VCOVDD1P2
Broadcom®
September 23, 2015 • 88335-DS100-R
Page 78
BROADCOM CONFIDENTIAL
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