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SPK_N
11
HPH_R
136
HPH_REF
137
HPH_L
138
HS_DET
139
HPMIC_DET
150
MIC_BIAS1
147
MIC3_P
152
MIC3_N
151
MIC_BIAS2
149
USB1 Interface
Pin
Pin Name
No.
141,
USB_VBUS
142
USB_DM
13
USB_DP
14
USB_ID
16
USB2 Interface
SC200L_Series(Dual-band Wi-Fi)_Hardware_Design
Speaker output
AO
(-)
Headphone right
AO
channel output
Headphone
AO
reference ground
Headphone left
AO
channel output
Headset
AI
insertion detect
Headphone
AI
microphone
detect
Microphone bias
PO
voltage 1
Microphone input
AI
for channel 2 (+)
Microphone input
AI
for channel 2 (-)
Microphone bias
PO
voltage 2
I/O
Description
Charging power
input; USB 5 V
PI
power input;
USB/adaptor
insertion detect
USB differential
AIO
data bus (-)
USB differential
AIO
data bus (+)
DI
USB ID detection
Vmin = 2.20 V
Vmax = 3.00 V
Vnom = 2.50 V
Vmin = 2.20 V
Vmax = 3.00 V
Vnom = 2.80 V
DC Characteristics
Vmax = 9.20 V
Vmin = 4.50 V
Vnom = 5.00 V
Smart Module Series
If it is not used, connect
it to ground.
High level by default.
Comment
USB 2.0 standard
compliant. 90 Ω
differential impedance.
Supports USB OTG
mode, but does not
support USB hub.
High level by default.
If not used, keep it open.
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