ADVANCE
CYW43570
Table 19. Signal Descriptions (Cont.)
Ball
W13
Signal Name
WRF_VCO_GND1P2
Type
Description
GND
GND
GND
GND
GND
VCO ground.
W12
W11
W10
WRF_MMD_GND1P2
WRF_CP_GND1P2
WRF_PFD_GND1P2
VSSC
Ground.
Ground.
Ground.
A1, B2,
Core ground for WLAN.
E11, E12,
E16, H12,
H13, H16,
J12, J14,
P16, R11–
R17, T13,
T15, T16
A22, A23
E17
SR_PVSS
GND
GND
GND
GND
Power ground.
Quiet ground.
Baseband PLL ground.
Ground.
PMU_AVSS
AVSS_BBPLL
L9
T2, T5, T7, RGND
T10, U1,
U2, U5,
U13, U16,
U17, V2,
V5–V9,
V16–V18,
W1, W5,
W6, W8,
W15, W17,
W18, Y2,
AA2,AA22,
AB2, AB4,
AB5, AB7–
AB11,
AB13,
AB15,
AB16,
AB18–
AB23,AC1,
AC3, AC5,
AC10,
AC12,
AC14,
AC18,
AC19,
AC21,
AC23
K5, K8, L8, BTRGND
M2, M5,
GND
GND
Ground.
N5, N8, P5,
P8, P10,
R1, R2, R5,
R7, R9
B9,B12
PCIE_AVSS
PCIe ground.
Document Number: 002-15054 Rev. *I
Page 55 of 94