User's Manual

L831-EA Module Hardware User Manual Page
23
of
43
will be pulled up.
67
RESET#
I
PU
PU
External reset signal input, CMOS
1.8V
68
CLK32K
O
32KHz clock output.
69
CONFIG_1
O
L
L
The internal connects with GND, the
interface type of L831-EA module is
WWAN-SSIC0.
70
+3.3V
PI
The main power input, the voltage
range is : 3.135V ~ 4.4V
71
GND
GND
72
+3.3V
PI
The main power input, the voltage
range is : 3.135V ~ 4.4V
73
GND
GND
74
+3.3V
PI
The main power input, the voltage
range is : 3.135V ~ 4.4V
75
CONFIG_2
O
L
L
The internal connects with GND, the
interface type of L831-EA module is
WWAN-SSIC0.
Note :put the pins not used in circuit design NC directly.
PI：Power Input
H：High Voltage Level
L：Low Voltage Level
PD：Pull-Down
PU：Pull-Up
T：Tristate
OD：Open Drain
PP：Push-Pull