Product Info

LTE Standard Module Series
EG95 Series Hardware Design
EG95_Series_Hardware_Design
28 / 99
USIM2_
PRESENCE
83
DI
(U)SIM card
insertion detection
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
Main UART Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RI
39
DO
Ring indicator
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
DCD
38
DO
Data carrier
detection
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
CTS
36
DO
Clear to send
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
RTS
37
DI
Request to send
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
DTR
30
DI
Data terminal
ready.
Sleep mode
control.
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
Pull-up by default.
Low level wakes up
the module.
If unused, keep it
open.
TXD
35
DO
Transmit data
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
RXD
34
DI
Receive data
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
V
IH
max = 2.0 V
1.8 V power domain.
If unused, keep it
open.
Debug UART Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
DBG_TXD
23
DO
Transmit data
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep it
open.
DBG_RXD
22
DI
Receive data
V
IL
min = -0.3 V
V
IL
max = 0.6 V
V
IH
min = 1.2 V
1.8 V power domain.
If unused, keep it
open.