Fibocom L831-EAU-01 - Page 14

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L831-EAU-01 Hardware User Manual Page
14
of
39
Pin
Pin Name
I/O
Reset
Value
Pin Description
Type
65
ANTCTL3
O
Tunable antenna control signal
（Reserved）
CMOS 1.8V
66
SIM_DETECT
I
SIM card detect
CMOS 1.8V
67
RESET#
I
Reset WWAN control signal
CMOS 1.8V
68
NC
Not Connect
69
CONFIG_1
O
L
Connected to internal GND
70
+3.3V
PI
Module main power input
Power Supply
71
GND
GND
Power Supply
72
+3.3V
PI
Module main power input
Power Supply
73
GND
GND
Power Supply
74
+3.3V
PI
Module main power input
Power Supply
75
CONFIG_2
O
L
Connected to internal GND
H: High Voltage Level
L: Low Voltage Level
PD: Pull-Down
PU: Pull-Up
T: Tristate
OD: Open Drain
PP: Push-Pull
PI: Power Input
PO: Power Output
Note:
The unused pins can be left floating.