User's Manual

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LTE Module
EC25-A User Manual
EC25-A_User_Manual Confidential / Released 31 / 7
Table 8: RESET_N Pin Description
Pin Name
Pin No.
Description
DC Characteristics
Comment
RESET_N
20
Reset the module.
V
IH
max=2.1V
V
IH
min=1.3V
V
IL
max=0.5V
The recommended circuit is similar to the PWRKEY control circuit. You can use an open drain/collector
driver or button to control the RESET_N.
Reset pulse
RESET_N
4.7K
47K
TBD
Figure 14: Reference Circuit of RESET_N by Using Driving Circuit
RESET_N
S2
Close to S2
TVS
Figure 15: Reference Circuit of RESET_N by Using Button
The reset scenario is illustrated in the following figure.