BCM4356XKUBGT Datasheet, PDF (118/195 Pages) Cypress Semiconductor – Single-Chip 5G WiFi IEEE 802.11ac 2×2 MAC/ Baseband/Radio with Integrated Bluetooth 4.1, FM Receiver, and Wireless Charging

BCM4356 Advance Data Sheet
Signal Descriptions
Table 22: WLBGA Signal Descriptions (Cont.)
Ball# Signal Name
Type Description
WLAN Supplies
U4
WRF_BUCK_VDD1P5_CORE0
PWR Internal capacitor-less CORE0 LDO supply
R11
WRF_BUCK_VDD1P5_CORE1
PWR Internal capacitor-less CORE1 LDO supply
V6
WRF_SYNTH_VBAT_VDD3P3
PWR Synth VDD 3.3V supply
R3
WRF_PADRV_VBAT_VDD3P3_CORE0 PWR CORE0 PA Driver VBAT supply
T9
WRF_PADRV_VBAT_VDD3P3_CORE1 PWR CORE1 PA Driver VBAT supply
T1
WRF_PA5G_VBAT_VDD3P3_CORE0 PWR 5 GHz CORE0 PA 3.3V VBAT supply
V10
WRF_PA5G_VBAT_VDD3P3_CORE1 PWR 5 GHz CORE1 PA 3.3V VBAT supply
R1
WRF_PA2G_VBAT_VDD3P3_CORE0 PWR 2 GHz CORE0 PA 3.3V VBAT supply
V9
WRF_PA2G_VBAT_VDD3P3_CORE1 PWR 2 GHz CORE1 PA 3.3V VBAT supply
T5
WRF_MMD_VDD1P2
PWR 1.2V supply
T4
WRF_PFD_VDD1P2
PWR 1.2V supply
Miscellaneous Supplies
–
OTP_VDD33
B7, D4, VDDC
E9, G10,
J8, J12,
L10, M7
E10
VDDIO
E4, H3,
M5
–
BT_VDDC
VDDIO_PMU
E8
VDDIO_SD
H11
VDDIO_RF
H7
AVDD_BBPLL
B3
PCIE_PLL_AVDD1P2
B2
PCIE_RXTX_AVDD1P2
PWR OTP 3.3V supply
PWR 1.2V core supply for WLAN
PWR 1.8V–3.3V supply for WLAN. Must be directly
connected to PMU_VDDIO and BT_VDDIO on the
PCB.
PWR 1.2V core supply for BT
PWR 1.8V–3.3V supply for PMU controls. Must be directly
connected to VDDIO and BT_VDDIO on the PCB.
PWR 1.8V–3.3V supply for SDIO pads and PCIe out-of-
band signals.
PWR IO supply for RF switch control pads (3.3V)
PWR Baseband PLL supply
PWR 1.2V supply for PCIe PLL. (This pin should be left
unconnected (NC) for SDIO operation.)
PWR 1.2V supply for PCIE TX and RX. (This pin should be
left unconnected (NC) for SDIO operation.)
Ground
U6
WRF_VCO_GND1P2
GND VCO/LOGEN ground
P4
WRF_AFE_GND1P2_CORE0
GND CORE0 AFE ground
R8
WRF_AFE_GND1P2_CORE1
GND CORE1 AFE ground
V4
WRF_BUCK_GND1P5_CORE0
GND Internal capacitor-less CORE0 LDO ground
R12
WRF_BUCK_GND1P5_CORE1
GND Internal capacitor-less CORE1 LDO ground
N2
WRF_LNA_2G_GND1P2_CORE0 GND 2 GHz internal CORE0 LNA ground
U7
WRF_LNA_2G_GND1P2_CORE1 GND 2 GHz internal CORE1 LNA ground
Broadcom^®
May 8, 2015 • 4356-DS103-R
BROADCOM CONFIDENTIAL
Page 117