Product Info

LTE Standard Module Series
EG95 Series Hardware Design
EG95_Series_Hardware_Design
41 / 99
Pin Name
Pin No.
Description
DC Characteristics
RESET_N
17
Reset the module
V
IH
max = 2.1V
V
IH
min = 1.3V
V
IL
max = 0.5V
NOTES
1. In order to avoid damaging internal flash, please do not switch off the power supply when the
module works normally. Only after the module is shut down by PWRKEY or AT command, then the
power supply can be cut off.
2. When turning off module with the AT command, please keep PWRKEY at high level after the
execution of the command. Otherwise the module will be turned on again after successfully turn-
off.
3.8. Reset the Module
The RESET_N pin can be used to reset the module. The module can be reset by driving RESET_N to a
low level voltage for 150–460 ms.
Table 8: Pin Definition of RESET_N
Comment
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.
RESET_N
150–460 ms
4.7K
Reset pulse
47K
Figure 14: Reference Circuit of RESET_N by Using Driving Circuit