CYW4343X
Table 23. WLCSP Signal Descriptions (Cont.)
Signal Name
WLCSP Bump
Type
Description or Instruction
Bluetooth Power Supplies
BT_IFVDD1P2
51
54
53
59
57
PWR
PWR
PWR
PWR
PWR
Bluetooth IF-block power supply
Bluetooth RF LNA power supply
BT_LNAVDD1P2
BT_PAVDD2P5
BT_PLLVDD1P2
BT_VCOVDD1P2
BT_VDDC
Bluetooth RF PA power supply
Bluetooth RF PLL power supply
Bluetooth RF power supply
Bluetooth core power supply
14, 16, 26, 28, 31, PWR
34
BT_VDDC_ISO_1
BT_VDDC_ISO_2
9
2
PWR
PWR
Bluetooth core power supply
Bluetooth core power supply
Power Supplies
FM_DAC_AVDD
FM_IFDVDD1P2
FM_PLLDVDD1P2
FM_RFVDD1P2
FM_VCOVDD1P2
PLL_VDDC
41
PWR
PWR
PWR
PWR
PWR
PWR
I
FM DAC power supply
48
FM IF power supply
43
FM PLL power supply
45
FM RF power supply
44
FM VCO power supply
152
140
Core PLL power supply
VDDIO input supply. Connect to VDDIO.
Core supply for WLAN and BT
SYS_VDDIO
VDDC
86, 93, 95, 107, 114 I
VOUT_3P3
139, 144
143
O
3.3V output supply. See the reference schematic for details.
Voltage sense pin for LDO 3.3V output
VOUT_3P3_SENSE
WCC_VDDIO
O
I
77, 79, 99, 103,
120, 137
VDDIO input supply. Connect to VDDIO.
WL_VDDM_ISO
150
96
–
–
I
Test pin. Not connected in normal operation.
Test pin. Not connected in normal operation.
XTAL oscillator supply
WL_VDDP_ISO
WRF_XTAL_VDD1P2
WRF_PA_VDD3P3
WRF_PMU_VDD1P35
73
70, 71
68
I
Power amplifier supply
I
LNLDO input supply
Document No. 002-14797 Rev. *H
Page 85 of 128
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