Reproduction forbidden without Fibocom Wireless Inc. written authorization - All rights
reserved.
FIBOCOM SC138-
NA
Series Hardware Guide
21/88
Pin Name
Pin No.
I/O
Pin Description
Remarks
P8
adaption
VREG_CAM0_
AVDD_2P8
130
PO
2.8 V voltage output
-
VREG_CAM1_
2_AVDD_2P8
222
PO
2.8 V voltage output
-
VREG_CAM1_
2_DVDD_1P2
264
PO
1.2 V voltage output, camera
power supply
-
VREG_ALS_VL
ED_3P0
265
PO
3.0 V voltage output, light sensor
power supply
-
VREG_3P0
266
PO
3.0 V voltage output
-
VREG_L15A_3P1
28
241
PO
3.1 V voltage output
-
GN
D
3,7,10,13,15,27,36,51,62,69,74,77,79,93,95,119,121,131,133,136,
143,146,149,152,153,154,155,156,157,160,161,162,163,164,170,171,
176,177,178,182,190,191,196,197,204,205,228,229,230,231,232,235,
236,237,246,250,253,275
Ground
58
pcs
Special Function Interface
CBL_PWR_N
165
DI
Trigger startup signal
-
Key
KPD_PWR_N
123
DI
Startup and shutdown key
Active low; do
not pull up
externally.
KEY_VOL_UP_
N
91
DI
Volume up key
Active low
KEY_VOL_DO
WN_N
92
DI
Volume down key
Active low;
volume down
key by default,