User's Manual

H380 M.2 Series Module Hardware User Manual page
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When Reset signal is active low and keep 100ms, the module will reset and restart. The module PMU
internal is still on during reset.
Note: Reset signal is sensitive, when PCB layout, please keep it away from RF noise, adding
decoupling capacitor near the module is recommended. Don’t trace the Reset signal in PCB edge or
surface, avoid ESD causing system reset.
Pulse Timing requirements as listed below:
Parameters Condition Minimum Typical Maximum Unit
Pulse Width 100 300 3000 ms
Recommended design:
Figure 5- 4 Reset Recommended Design
5.3 Indicator Signal
5.3.1 Pin Description
The H380 M.2 module provides an open drain output signal for indicating RF status.
Pin No Pin Name Description
10 LED1#
Open/close RF network indicator, CMOS
3.3V
LED1# signal description:
No M.2 Module status LED1#
1 RF function is turned on Outputs Low
2 RF function is turned off Output High
Recommended design:
Figure 5- 5 LED Status Indicator Recommended Design