Smart Module Series
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design 22 / 111
LDO4_2V8
156
PO
2.80 V output
power supply
Vnom = 2.80 V
I
O
max = 200 mA
Power supply for LCD,
TP and sensor.
If it is used, connect an
external capacitor to this
pin in parallel. See
document [2]
for
details.
If not used, keep it open.
LDO3_2V8
129
PO
2.80 V output
power supply
Vnom = 2.80 V
I
O
max = 150 mA
Power supply for
camera AVDD and
AFVDD.
If it is used, connect an
external capacitor to this
pin in parallel. See
document [2]
details.
If not used, keep it open.
GND
Pin Name
Pin No.
GND
3, 7, 12, 15, 27, 51, 62, 69, 76, 78, 85, 86, 88, 89, 120, 122, 130, 132, 135, 140, 143,
144, 162, 171, 172, 176, 187, 188, 189, 190, 191, 202, 203, 204, 206, 207, 208, 209,
210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 226, 227,
228, 229, 230, 231, 233, 234, 235, 236, 237, 238, 240, 241, 243, 244, 245, 247, 248,
250, 251, 255, 256, 258, 259, 261, 266, 268, 269, 271, 272, 273, 274
Audio Interfaces
Pin Name
Pin
No.
I/O
Description
DC Characteristics
Comment
MIC1_P
4
AI
Microphone input
for channel 1 (+)
MIC1_N
5
AI
Microphone input
for channel 1 (-)
MIC2_P
6
AI
Microphone input
for headset (+)
MIC2_N
148
AI
Microphone input
for headset (-)
EAR_P
8
AO
Earpiece output
(+)
EAR_N
9
AO
Earpiece output
(-)
SPK_P
10
AO
Speaker output
(+)