Smart LTE Module Series
SC600Y&SC600T Hardware Design
SC600Y&SC600T_Hardware_Design 30 / 128
MIC3_P
169
AI
Microphone positive
input for channel 3
EAR_P
53
AO
Earpiece positive
output
EAR_N
52
AO
Earpiece negative
output
SPK_P
55
AO
Speaker positive
output
SPK_N
54
AO
Speaker negative
output
HPH_R
51
AO
Headphone right
channel output
HPH_REF
50
AI
Headphone
reference ground
HPH_L
49
AO
Headphone left
channel output
HS_DET
48
AI
Headset insertion
detection
Pulled up internally.
USB Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics Comment
USB_VBUS
41, 42
PI/
PO
Charging power
input.
Power supply output
for OTG device.
USB/charger
insertion detection.
Vmax=10V
Vmin=4.0V
Vnorm=5.0V
USB_DM
33
IO
USB 2.0 differential
data bus (minus)
USB 2.0 standard
compliant
9
0Ω differential
impedance.
USB_DP
32
IO
USB 2.0 differential
data bus (plus)
USB_ID
30
AI
USB ID detection
High level by default.
USB_SS_RX
_P
171
AI
USB 3.0 differential
receive (plus)
USB 3.0 standard
compliant
90Ω
differential
impedance.
USB_SS_RX
_M
172
AI
USB 3.0 differential
receive (minus)
USB_SS_TX
_P
174
AO
USB 3.0 differential
transmit (plus)
90Ω
differential
impedance.
USB_SS_TX
_M
175
AO
USB 3.0 differential
transmit (minus)
USBC_CC2
223
AI/
USB Type-C control