Quectel QuecOpen AG521R-NA Hardware Design page 48

370– 620 ms
Reset pulse
Figure 15: Reference Circuit of RESET by Using Driving Circuit
The reset scenario is illustrated in the following figure.
VBAT
RESET
Module
Status
NOTE
AG521R-NA_QuecOpen_Hardware_Design
4.7K
S2
TVS
Figure 16: Reference Circuit of RESET by Using Button
≥ 370 ms
≤ 0.63 V
V
IL
Running
Figure 17: Timing of Resetting Module
AG521R-NA QuecOpen Hardware Design
47K
RESET
Close to S2
620 ms
V
Resetting Restart
Automotive Module Series
RESET
≥ 1.17 V
IH
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