User's Manual

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H380-GL Hardware User Manual Page
18
of
47
Pin
Pin Name
I/O
Reset Value
Pin Description
Type
73
GND
GND
Power
supply
74
+3.3V
PI
Main power input
Power
supply
75
CONFIG_2
O
L
Internally connected to GND,
H380 M.2 module configured as
WWAN-SSIC-0 interface type
module
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:
To ensure that unused pins are floating.
3.2 Power Supply
The power interface for H380 module is as follows:
Pin
Pin Name
I/O
Pin Description
DC Parameter (V)
Minimum
Value
Typical
Value
Maximum
Value
2,4,70,72,74
+3.3V
PI
Power input
3.135
3.3
4.4
36
UIM_PWR
PO
USIM power supply
1.8V/3V