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Power On/Off
Pin Name
Pin No.
PWRKEY
15
RESET_N
17
Indication Interfaces
Pin Name
Pin No.
STATUS
20
NET_STATUS
21
USB Interface
Pin Name
Pin No.
USB_VBUS
8
USB_DP
9
USB_DM
10
(U)SIM Interface
Pin Name
Pin No.
USIM1_VDD
43
EG915U_Series_Hardware_Design
I/O
Description
DI
Turn on/off the module
DI
Reset the module
I/O
Description
Indicate the module's
DO
operation status
Indicate the module's
DO
network activity status
I/O
Description
AI
USB connection detect
AIO
USB differential data (+)
AIO
USB differential data (-)
I/O
Description
(U)SIM1 card power
PO
supply
LTE Standard Module Series
DC Characteristics
V
max = 0.5 V
IL
DC Characteristics
V
min = 1.35 V
OH
V
max = 0.45 V
OL
V
min = 1.35 V
OH
V
max = 0.45 V
OL
DC Characteristics
Vmax = 5.25 V
Vmin = 3.5 V
Vnom = 5.0 V
DC Characteristics
I
max = 50 mA
O
For 1.8 V (U)SIM:
Vmax = 1.9 V
If unused, keep it
open.
Comment
VBAT power
domain.
VBAT power
domain.
If unused, keep it
open.
Comment
1.8 V power
domain.
If unused, keep it
open
1.8 V power
domain.
If unused, keep it
open.
Comment
Typical: 5.0 V
If unused, keep it
open.
USB 2.0
compliant.
Require
differential
impedance of
90 Ω.
If unused, keep it
open.
Comment
Either 1.8 V or
3.0 V (U)SIM
card is
supported and
17 / 81
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