Smart LTE Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 29 / 128
used.
If unused, keep this
pin open.
LDO22_2P8
14
PO
2.8V output power
supply
Vnorm=2.8V
I
O
max=150mA
Power supply for
AVDD of cameras.
Add a 1.0uF~4.7uF
bypass capacitor if
used.
If unused, keep this
pin open.
GND
3, 4, 18,
20, 31,
34, 35,
40, 43,
47, 56,
62, 87,
98, 101,
112, 125,
128, 130,
133, 135,
148, 150,
159, 163,
170, 173,
176, 182,
193, 195,
219, 225,
243,
257~323
Ground
Audio Interfaces
Pin Name
Pin No.
I/O
Description
DC
Characteristics
Comment
MIC_BIAS
167
AO
Microphone bias
voltage
V
O
=1.6V~2.85V
MIC1_P
44
AI
Microphone positive
input for channel 1
MIC1_N
45
AI
Microphone negative
input for channel 1
MIC_GND
168
Microphone
reference ground
If unused, connect
this pin to the ground.
MIC2_P
46
AI
Microphone positive
input for headset