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3, 7, 12, 15, 27, 51, 62, 69, 76, 78, 85, 86, 88, 89, 120, 122, 130, 132, 135, 140,
143, 144, 149, 162, 171, 172, 176, 187–191, 202–204, 206–224, 226–231,
GND
233–238, 240, 241, 243–245, 247, 248, 250, 251, 255, 256, 258, 259, 261, 266,
268, 269, 271–274
Audio Interfaces
Pin Name
Pin No.
MIC1_P
4
MIC_GND
5
MIC2_P
6
EAR_P
8
EAR_N
9
SPK_P
10
SPK_N
11
HPH_R
136
HPH_REF
137
HPH_L
138
HS_DET
139
MIC_BIAS1
147
MIC3_P
148
MIC_BIAS2
155
USB Interface
Pin Name
Pin No.
SC200R&SC262R_Series_Hardware_Design
I/O
Description
Microphone input
AI
for channel 1 (+)
Microphone
AI
reference ground
Microphone input
AI
for headset (+)
Earpiece output
AO
(+)
AO
Earpiece output (-)
AO
Speaker output (+)
AO
Speaker output (-)
Headphone right
AO
channel output
Headphone
AO
reference ground
Headphone left
AO
channel output
Headset hot-plug
AI
detect
Microphone bias
AO
voltage 1
Microphone input
AI
for channel 2 (+)
Microphone bias
AO
voltage 2
I/O
Description
Smart Module Series
DC Characteristics
V
= 1.6–2.85 V
O
V
= 1.6–2.85 V
O
DC Characteristics
Comment
If it is not used,
connect it to the
ground.
High level by
default.
Comment
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