BCM4354KKWBGT Datasheet, PDF (116/192 Pages) Cypress Semiconductor – Single-Chip 5G Wi-Fi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1 and FM Receiver

BCM4354 Data Sheet
Signal Descriptions
Table 22: WLBGA Signal Descriptions
Ball#
J5
Signal Name
BT_UART_TXD
Bluetooth/FM I²S
J6
BT_I2S_CLK
G6
BT_I2S_DO
G5
BT_I2S_DI
L6
BT_I2S_WS
Bluetooth GPIO
–
BT_GPIO_2
–
BT_GPIO_3
K4
BT_GPIO_4
–
BT_GPIO_5
Miscellaneous
A10
WL_REG_ON
D10
BT_REG_ON
L4
BT_DEV_WAKE
J3
BT_HOST_WAKE
Integrated Voltage Regulators
B11
SR_VDDBATA5V
B12
SR_VDDBATP5V
A11
SR_VLX
C12
LDO_VDD1P5
E12
LDO_VDDBAT5V
P11
WRF_XTAL_VDD1P5
N10
WRF_XTAL_VDD1P2
D11
VOUT_LNLDO
C11
VOUT_CLDO
D12
VOUT_BTLDO2P5
E11
VOUT_LDO3P3_B
Type Description
O UART serial output. Serial data output for the HCI
UART interface.
I/O _I²_{S clock, can be master (output) or slave (input).}
I/O _I²_{S data output}
I/O _I²_{S data input}
I/O _I²_{S WS; can be master (output) or slave (input).}
I/O Bluetooth general-purpose I/O
I/O Bluetooth general-purpose I/O
I/O Bluetooth general-purpose I/O
I/O Bluetooth general-purpose I/O
I Used by PMU to power up or power down the internal
BCM4354 regulators used by the WLAN section.
Also, when deasserted, this pin holds the WLAN
section in reset. This pin has an internal 200 kΩ 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
BCM4354 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 kΩ 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 Quiet VBAT
I Power VBAT
O CBuck switching regulator output. Refer to Table 43
on page 158 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)
O Output of LNLDO
O Output of core LDO
O Output of BT LDO
O Output of 3.3V LDO
Broadcom^®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 115