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USIM_DATA
15
USIM_CLK
16
USIM_RST
17
USIM_
13
PRESENCE
UART Interface
Pin Name
Pin No.
RI
62
DCD
63
EC25-V_User_Manual
69
Data signal of USIM
IO
card.
Clock signal of USIM
DO
card.
Reset signal of
DO
USIM card.
USIM card insertion
DI
detection.
I/O
Description
DO
Ring indicator
Data carrier
DO
detection.
Confidential / Released
For 3.0V USIM:
Vmax=3.05V
Vmin=2.7V
I
max=50mA
O
For 1.8V USIM:
V
max=0.6V
IL
V
min=1.2V
IH
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V USIM:
V
max=1.0V
IL
V
min=1.95V
IH
V
max=0.45V
OL
V
min=2.55V
OH
For 1.8V USIM:
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V USIM:
V
max=0.45V
OL
V
min=2.55V
OH
For 1.8V USIM:
V
max=0.45V
OL
V
min=1.35V
OH
For 3.0V USIM:
V
max=0.45V
OL
V
min=2.55V
OH
V
min=-0.3V
IL
V
max=0.6V
IL
V
min=1.2V
IH
V
max=2.0V
IH
DC Characteristics
V
max=0.45V
OL
V
min=1.35V
OH
V
max=0.45V
OL
V
min=1.35V
OH
LTE Module Series
EC25-V User Manual
1.8V power domain.
If unused, keep it
open.
Comment
1.8V power domain.
If unused, keep it
open.
1.8V power domain.
If unused, keep it
open.
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