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BCM4354KKWBGT Datasheet, PDF (108/192 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 21: WLCSP Signal Descriptions (Cont.)
Bump# Signal Name
Bluetooth/FM I2S
167
BT_I2S_CLK
171
BT_I2S_DO
156
BT_I2S_DI
158
BT_I2S_WS
Bluetooth GPIOs
155
BT_GPIO_2
154
BT_GPIO_3
168
BT_GPIO_4
153
BT_GPIO_5
Miscellaneous
319
WL_REG_ON
320
BT_REG_ON
176
BT_DEV_WAKE
170
BT_HOST_WAKE
Integrated Voltage Regulators
340
SR_VDDBATA5V
348
SR_VDDBATP5V
336
SR_VLX
342
LDO_VDD1P5
327
LDO_VDDBAT5V
249
WRF_XTAL_VDD1P5
254
WRF_XTAL_VDD1P2
351
VOUT_LNLDO
341
VOUT_CLDO
362
VOUT_BTLDO2P5
346
VOUT_LDO3P3_B
324
VOUT_3P3
Type Description
I/O I2S clock, can be master (output) or slave (input).
I/O I2S data output
I/O I2S data input
I/O I2S 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
O LDO 3.3V output
Broadcom®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 107