BCM4354 Data Sheet
Signal Descriptions
Table 21: WLCSP Signal Descriptions (Cont.)
Type Description
Bump# Signal Name
Miscellaneous Supplies
160
OTP_VDD33
VDDC
PWR OTP 3.3V supply
67, 74,
PWR 1.2V core supply for WLAN
87, 103,
107–115,
127–129,
134–140,
203, 204,
208–211,
213, 224,
228, 241,
242, 246
206, 222, VDDIO
231
PWR 1.8V–3.3V supply for WLAN. Must be directly
connected to PMU_VDDIO and BT_VDDIO on the
PCB.
145, 147, BT_VDDC
369– 375,
PWR 1.2V core supply for BT
326
VDDIO_PMU
PWR 1.8V–3.3V supply for PMU controls. Must be directly
connected to VDDIO and BT_VDDIO on the PCB.
76
VDDIO_SD
PWR 1.8V–3.3V supply for SDIO pads
PWR IO supply for RF switch control pads (3.3V)
PWR 1.2V supply for HSIC PLL
223
98
VDDIO_RF
HSIC_AVDD12PLL
HSIC_DVDD12
AVDD_BBPLL
102
143
11
PWR 1.2V supply for HSIC digital
PWR Baseband PLL supply
PCIE_PLL_AVDD1P2
PCIE_RXTX_AVDD1P2
VDDIO_PCIE
PWR 1.2V supply for PCIe PLL
7
PWR 1.2V supply for PCIE TX and RX
230
PWR Supply the same voltage to this pin as used for the
PCIe out-of-band signals (that is, PCIE_PME_L). This
would be 1.8V or 3.3V, and cannot be turned off.
Ground
250
281
267
295
256
275
282
273
283
293
255
288
WRF_VCO_GND1P2
GND VCO/LOGEN ground
WRF_AFE_GND1P2_CORE0
WRF_AFE_GND1P2_CORE1
WRF_BUCK_GND1P5_CORE0
WRF_BUCK_GND1P5_CORE1
WRF_LNA_2G_GND1P2_CORE0
WRF_LNA_2G_GND1P2_CORE1
WRF_LNA_5G_GND1P2_CORE0
WRF_LNA_5G_GND1P2_CORE1
WRF_TX_GND1P2_CORE0
WRF_TX_GND1P2_CORE1
GND CORE0 AFE ground
GND CORE1 AFE ground
GND Internal capacitor-less CORE0 LDO ground
GND Internal capacitor-less CORE1 LDO ground
GND 2 GHz internal CORE0 LNA ground
GND 2 GHz internal CORE1 LNA ground
GND 5 GHz internal CORE0 LNA ground
GND 5 GHz internal CORE1 LNA ground
GND TX CORE0 ground
GND TX CORE1 ground
WRF_PADRV_VBAT_GND3P3_CO GND PAD CORE0 ground
RE0
Broadcom®
October 15, 2014 • 4354-DS109-R
Page 109
BROADCOM CONFIDENTIAL
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