Product Info

LPWA Module Series
BG95 Series Hardware Design
BG95_Series_Hardware_Design 43 / 106
3.7. Reset the Module
RESET_N is used to reset the module. Due to platform limitations, the chipset has integrated the reset
function into PWRKEY, and RESET_N connects directly to PWRKEY inside the module.
The module can be reset by driving RESET_N low for 2–3.8 s.
Table 9: Pin Definition of RESET_N
The reset scenario is illustrated in the following figure.
VBAT
 2 s
Resetting
Module
Status
Running
RESET_N
V
IL
 0.45 V
Restart
 3.8 s
Figure 10: Reset Timing
The recommended circuit is similar to the PWRKEY control circuit. An open drain/collector driver or button
can be used to control the RESET_N pin.
Reset pulse
RESET_N
4.7K
47K
2–3.8s
Figure 11: Reference Circuit of RESET_N by Using Driving Circuit
Pin Name
Pin No.
Description
DC Characteristics
Comment
RESET_N
17
Resets the
module
V
IL
max = 0.45 V
Multiplexed from PWRKEY (connected
directly to PWRKEY inside the module).