LTE-A Module Series
EG06 Hardware Design
EG06_Hardware_Design 24 / 89
UART Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
RI
61
DO
Ring indicator
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
DCD
59
DO
Data carrier
detection
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
CTS
56
DO
Clear to send
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
RTS
57
DI
Request to send
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep it
open.
DTR
62
DI
Data terminal
ready, sleep mode
control
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
Pull-up by default.
Pulling down to low
level will wake up the
module.
If unused, keep it
open.
TXD
60
DO
Transmit data
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
RXD
58
DI
Receive data
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep it
open.
BT Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
BT_TXD
163
DO
Transmit data
V
OL
max=0.45V
V
OH
min=1.35V
1.8V power domain.
If unused, keep it
open.
BT_RXD
165
DI
Receive data
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
V
IH
max=2.0V
1.8V power domain.
If unused, keep it
open.
BT_RTS
166
DI
Request to send
V
IL
min=-0.3V
V
IL
max=0.6V
V
IH
min=1.2V
1.8V power domain.
If unused, keep it
open.