ADVANCE
CYW43570
Table 19. Signal Descriptions (Cont.)
Ball
Signal Name
BT_IFVDD1P2
Type
Description
Bluetooth IF block power supply.
Bluetooth RF PLL power supply.
K1
L2
PWR
PWR
PWR
PWR
PWR
BT_PLLVDD1P2
BT_VCOVDD1P2
BT_VDDO
K2
M8
Bluetooth RF power supply.
Core supply.
M10, N10 BT_VDDC
1.2V core supply for BT.
WLAN Supplies
AC6
AA23
AC9
AA1
WRF_BUCK_VDD1P5_CORE0
PWR
PWR
PWR
PWR
Internal capacitor-less CORE0 LDO supply.
Internal capacitor-less CORE1 LDO supply.
Synth VDD 3.3V supply.
WRF_BUCK_VDD1P5_CORE1
WRF_SYNTH_VBAT_VDD3P3
WRF_PADRV_VBAT_VDD3P3_
CORE0
CORE0 PA Driver VBAT supply.
AC16
AB1
WRF_PADRV_VBAT_VDD3P3_
CORE1
PWR
PWR
PWR
PWR
PWR
CORE1 PA Driver VBAT supply.
WRF_PA5G_VBAT_VDD3P3_
CORE0
5 GHz CORE0 PA 3.3V VBAT supply.
5 GHz CORE1 PA 3.3V VBAT supply.
2 GHz CORE0 PA 3.3V VBAT supply.
2 GHz CORE1 PA 3.3V VBAT supply.
AC17
Y1
WRF_PA5G_VBAT_VDD3P3_
CORE1
WRF_PA2G_VBAT_VDD3P3_
CORE0
AC15
WRF_PA2G_VBAT_VDD3P3_
CORE1
AC8
AC7
WRF_MMD_VDD1P2
WRF_PFD_VDD1P2
PWR
PWR
1.2V supply.
1.2V supply.
Miscellaneous Supplies
E6 OTP_VDD33
PWR
PWR
OTP 3.3V supply.
K12, K14, VDDC
L11, L14,
1.2V core supply for WLAN.
L15, N15,
P11, P12,
P14, P15
K16
VDDIO
PWR
1.8V–3.3V supply for WLAN. Must be directly connected to
PMU_VDDIO on the PCB.
M10, N10 BT_VDDC
PWR
PWR
PWR
1.2V core supply for BT.
Baseband PLL supply
K10
J16
AVDD_BBPLL
VDDIO_PMU
1.8V–3.3V supply for PMU controls. Must be directly connected
to VDDIO on the PCB.
L16
A13
A6
VDDIO_RF
PWR
PWR
PWR
OD
IO supply for RF switch control pads (3.3V).
1.2V supply for PCIe PLL.
PCIE_PLL_AVDD1P2
PCIE_RXTX_AVDD1P2
PCIE_PME_L
1.2V supply for PCIe TX and RX.
B16
PCI powermanagement eventoutput. Usedtorequestachange
in the device or system power state. The assertion and
deassertion of this signal is asynchronous to the PCIe reference
clock. This signal has an open-drain output structure, as per the
PCI Bus Local Bus Specification, revision 2.3.
Ground
U22, V22, WRF_XTAL_GND1P2
W22, Y22
GND
GND
XTAL ground.
V13
WRF_LOGENG_GND1P2
LOGEN ground.
Document Number: 002-15054 Rev. *I
Page 54 of 94
CYPRESS [ CYPRESS ]
