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reserved.
FIBOCOM SC138-
NA
Series Hardware Guide
30/88
Pin Name
Pin No.
I/O
Pin Description
Remarks
CDC_EAR_P
134
AO
Handset
-
CDC_EAR_N
135
AO
Handset output-
-
CDC_HPH_L
139
AO
Earphone left channel output
-
CDC_HPH_RE
F
138
/
Earphone reference ground
-
CDC_HPH_R
137
AO
Earphone right channel output
-
CDC_HS_DET
140
AI
Earphone plug detection
-
MIC2_IN_P
142
AI
Earphone MIC input+
-
MIC2_IN_N
141
AI
Earphone MIC input-
-
MIC1_N
144
AI
Main MIC differential input-
-
MIC1_P
145
AI
Main MIC differential input+
-
MIC3_IN_N
233
AI
Auxiliary MIC differential input-
MIC3_IN_P
244
AI
Auxiliary MIC differential input+
Antenna Interface
ANT_TRX
94
I/O
2G/3G/4G main antenna
-
ANT_DRX
132
AI
Diversity receiving antenna
-
ANT-WIFI/BT
78
I/O
WIFI/BT antenna
-
ANT_GPS
120
AI
GNSS antenna
-
Interrupt Interface
ALSP_INT_N
106
DI
Ambient light sensor interrupt
-
MAG_INT_N
107
DI
Interruption of geomagnetic
sensor
-
ACCL_INT2_N
108
DI
Interruption 2 of acceleration
sensor
-
ACCL_INT1_N
109
DI
Interruption 1 of acceleration
sensor
-