Product Info

LPWA Module Series
BG95 Hardware Design
BG95_Hardware_Design 26 / 88
PWRKEY 15 DI
Turn on/off the
module
Vnorm = 1.5 V
V
IL
max = 0.45 V
PWRKEY should
never be pulled
down to GND
permanently.
Reset
Pin Name Pin No. I/O Description DC Characteristics Comment
RESET_N 17 DI
Reset the
module
Vnorm = 1.5 V
V
IL
max = 0.45 V
Status Indication
Pin Name Pin No. I/O Description DC Characteristics Comment
PSM_IND* 1 DO
Power saving
mode indication
V
OH
min = 1.35 V
V
OL
max = 0.45 V
1.8 V power domain.
If unused, keep this
pin open.
STATUS 20 DO
Module
operation status
indication
V
OH
min = 1.35 V
V
OL
max = 0.45 V
1.8 V power domain.
If unused, keep this
pin open.
NET_STATUS 21 DO
Indicate the
module’s
network activity
status
V
OH
min = 1.35 V
V
OL
max = 0.45 V
1.8 V power domain.
If unused, keep this
pin open.
USB Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
USB_VBUS 8 AI
USB connection
detection
Vnorm = 5.0 V Typical 5.0 V
USB_DP 9 IO
USB differential
data (+)
Compliant with USB
2.0 standard
specification.
Require differential
impedance of 90 Ω.
USB_DM 10 IO
USB differential
data (-)
(U)SIM Interface
Pin Name Pin No. I/O Description DC Characteristics Comment
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.