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| BCM43353LIUBGT Datasheet, PDF (82/143 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac MAC/Baseband/Radio with Integrated Bluetooth 4.1 for Automotive and Industrial Applications | |||
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BCM43353 Data Sheet
Signal Descriptions
Table 15: WLBGA Signal Descriptions (Cont.)
WLBGA
Ball#
Miscellaneous
B3
D3
K3
J2
B8
B7
B9
Integrated Voltage Regulators
C2
C1
B2
D1
F2
H11
K12
Signal Name
Type Description
WL_REG_ON
BT_REG_ON
BT_DEV_WAKE
BT_HOST_WAKE
HSIC_STROBE/STROBE
HSIC_DATA/DATA
RREFHSIC
I Used by PMU to power up or
power down the internal
BCM43353 regulators used by
the WLAN section. Also, when
deasserted, this pin holds the
WLAN section in reset. This pin
has an internal 200 k⦠pull-
down resistor that is enabled by
default. It can be disabled
through programming.
I Used by PMU to power up or
power down the internal
BCM43353 regulators used by
the Bluetooth/FM section. Also,
when deasserted, this pin holds
the Bluetooth/FM section in
reset. This pin has an internal
200 k⦠pull-down resistor that
is enabled by default. It can be
disabled through programming.
I/O Bluetooth DEV_WAKE.
I/O Bluetooth HOST_WAKE.
I/O Unsupported. This pin can be
connected to ground or left
unconnected (no-connect).
I/O Unsupported. This pin can be
connected to ground or left
unconnected (no-connect).
I Unsupported. Leave this pin
unconnected (no-connect).
SR_VDDBATA5V
SR_VDDBATP5V
SR_VLX
LDO_VDD1P5
LDO_VDDBAT5V
WRF_XTAL_VDD1P5/
WRF_XTAL_BUCK_VDD1P
5
WRF_XTAL_VDD1P2/
WRF_XTAL_OUT_VDD1P2
I Quiet VBAT.
I Power VBAT.
O Cbuck switching regulator
output. Refer to Table 37 on
page 116 for details of the
inductor and capacitor required
on this output.
I LNLDO input.
I LDO VBAT.
I XTAL LDO input (1.35V).
O XTAL LDO output (1.2V).
Broadcom®
November 14, 2014 ⢠43353-DS104-R
Page 81
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