Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 28 / 106
USIM_DET
42
DI
(U)SIM card
hot-plug
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 this
pin open.
USIM_VDD
43
PO
(U)SIM card
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 card
reset
V
OL
max = 0.45 V
V
OH
min = 1.35 V
USIM_DATA
45
IO
(U)SIM card 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
V
OL
max = 0.45 V
V
OH
min = 1.35 V
USIM_CLK
46
DO
(U)SIM card
clock
V
OL
max = 0.45 V
V
OH
min = 1.35 V
USIM_GND
47
(U)SIM card
ground
Main UART Interface
Pin Name
Pin No.
I/O
Description
DC Characteristics
Comment
MAIN_DTR
30
DI
Main UART data
terminal ready
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 this
pin open.
MAIN_RXD
34
DI
Main UART
receive
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 this
pin open.
MAIN_TXD
35
DO
Main UART
transmit
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, 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 unused, keep this
pin open.
MAIN_RTS
37
DI
Main UART
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 this
pin open.
MAIN_DCD
38
DO
Main UART data
carrier detect
V
OL
max = 0.45 V
V
OH
min = 1.35 V
1.8 V power domain.
If unused, keep this
pin open.