BCM4354 Data Sheet
Signal Descriptions
Table 22: WLBGA Signal Descriptions
Type Description
Ball#
Signal Name
VDDIO
E10
PWR 1.8V–3.3V supply for WLAN. Must be directly
connected to PMU_VDDIO and BT_VDDIO on the
PCB.
E4, H3, BT_VDDC
M5
PWR 1.2V core supply for BT
–
VDDIO_PMU
PWR 1.8V–3.3V supply for PMU controls. Must be directly
connected to VDDIO and BT_VDDIO on the PCB.
E8
H11
C7
C6
H7
B3
B2
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
VDDIO_RF
HSIC_AVDD12PLL
HSIC_DVDD12
AVDD_BBPLL
PWR 1.2V supply for HSIC digital
PWR Baseband PLL supply
PCIE_PLL_AVDD1P2
PCIE_RXTX_AVDD1P2
PWR 1.2V supply for PCIe PLL
PWR 1.2V supply for PCIE TX and RX
Ground
U6
P4
R8
V4
R12
N2
U7
V2
U12
P3
T8
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
T3
WRF_PADRV_VBAT_GND3P3_CO GND PAD CORE0 ground
RE0
T10
WRF_PADRV_VBAT_GND3P3_CO GND PAD CORE1 ground
RE1
N11
N3
WRF_XTAL_GND1P2
GND XTAL ground
WRF_RX2G_GND1P2_CORE0
WRF_RX2G_GND1P2_CORE1
WRF_RX5G_GND1P2_CORE0
WRF_RX5G_GND1P2_CORE1
WRF_LOGEN_GND1P2
GND RX 2GHz CORE0 ground
GND RX 2GHz CORE1 ground
GND RX 5GHz CORE0 ground
GND RX 5GHz CORE1 ground
GND LOGEN ground
T7
V3
T12
R6
R5
WRF_LOGENG_GND1P2
GND LOGEN ground
T2, U2
WRF_PA5G_VBAT_GND3P3_COR GND 5 GHz PA CORE0 ground
E0
U10, U11 WRF_PA5G_VBAT_GND3P3_COR GND 5 GHz PA CORE1 ground
E1
Broadcom®
October 15, 2014 • 4354-DS109-R
BROADCOM CONFIDENTIAL
Page 117
CYPRESS [ CYPRESS ]
