Reproduction forbidden without Fibocom Wireless Inc. written authorization - All rights
reserved.
FIBOCOM SC138-
NA
Series Hardware Guide
20/88
Table 2-3 Description of I/O parameters
Type
Description
IO
Input/output
DI
Digital input
DO
Digital output
PI
Power input
PO
Power output
AI
Analog input
AO
Analog output
OD
Open drain
The pins of SC138 modules are described in the following table:
Pin Name
Pin No.
I/O
Pin Description
Remarks
Power
VBAT
4,5,6
PI
Main power supply input
-
VRTC
126
PI/PO
RTC power supply pin
-
VREG_CAM0_
DVDD_1P104
226
PO
1.1 V voltage output
-
VREG_L9A_1P
8
129
PO
1.8 V voltage output
-
VREG_L12A_1
P8
122
PO
1.8 V voltage output
-
VREG_CAM_A
F_2P8
224
PO
2.8 V voltage output
-
VREG_L22A_2
P96
28
PO
SD power supply
-
VREG_L19A_1
P8
26
PO
(U)SIM 1 power supply
1.8 V/3 V self-
adaption
VREG_L20A_1
21
PO
(U)SIM 2 power supply
1.8 V/3 V self-
