Product Info

LPWA M
odule Series
BG95 Series Hardware Design
BG95_S
eries_Hardware_Design 29 / 106
US
IM_DET 42 DI
(U)SIM car
d
hot-pl
u
g
detection
V
I
L
m
in = -0.3 V
V
I
L
m
ax = 0.6 V
V
IH
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin
open.
US
IM_VDD 43 PO
(U)SIM car
d
power
supply
Vmax = 1.9 V
Vmin = 1.7 V
Only 1.8 V (U)SIM
card is supported.
USIM_RST 44 DO
(U)SIM car
d
reset
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
US
IM_DATA 45 IO (U)SIM card data
V
I
L
min = -0.3 V
V
I
L
m
ax = 0.6 V
V
IH
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
USIM_CLK 46 DO
(U)SIM car
d
clo
ck
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
US
IM_GND 47
(U)SIM car
d
groun
d
M
ain UART Interface
Pin N
ame Pin No. I/O Description DC Characteristics Comment
MAIN
_DTR 30 DI
Main UART data
terminal ready
V
I
L
m
in = -0.3 V
V
I
L
m
ax = 0.6 V
V
IH
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
MAIN
_RXD 34 DI
Main UART
receive
V
I
L
min = -0.3 V
V
IL
m
ax = 0.6 V
V
I
H
min = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
MAIN
_TXD 35 DO
Main UART
transmit
V
OL
m
ax = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
MAIN
_CTS 36 DO
Main UART clear
to send
V
OL
max = 0.45 V
V
OH
min =
1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.
MAIN
_RTS 37 DI
Main UART
request to send
V
I
L
m
in = -0.3 V
V
I
L
max = 0.6 V
V
IH
m
in = 1.2 V
V
I
H
m
ax = 2.0 V
1.8 V power domain.
If unus
ed, keep this
pin open.
MAIN
_DCD 38 DO
Main UART data
carrier detect
V
OL
m
ax = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unus
ed, keep this
pin open.