Quectel Smart LTE Module Series Hardware Design page 25

LDO2_1P1 13
LDO22_2P8 14
3,4,18,20,3
1,34,35,40,
43,47,56,6
2,87,98,10
1,112,125,
128,130,13
GND 3,135,148,
150,159,16
0,163,170,
173,176,18
2,193,195,
219,243,25
7--323
Audio Interfaces
Pin Name Pin No.
DMIC1_DATA 45
DMIC1_CLK 46
DMIC2_DATA 168
DMIC2_CLK 169
SC650T_Hardware_Design
1.1V output power
PO
supply
2.8V output power
PO
supply
Ground
I/O Description
Digital microphone1
DI
data
Digital microphone1
DO
clock
Digital microphone2
DI
data
Digital microphone2
DO
clock
Smart LTE Module Series
SC650T Hardware Design
used.
If unused, keep this
pin open.
Power supply for
DVDD of rear
cameras.
Vnorm=1.1V Add a 1.0uF~2.2uF
I max=1200mA bypass capacitor if
O
used.
If unused, keep this
pin open.
Power supply for
AVDD of cameras.
Add a 1.0uF~4.7uF
Vnorm=2.8V
bypass capacitor if
I max=150mA
O
used.
If unused, keep this
pin open.
DC
Comment
Characteristics
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