User's Manual
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H350 LGA Serials Module Hardware User Manual Page of
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Reference design:
Figure 5- 5 POWER_OFF Reference Design
5.2.4 Reset Signal
H350 wireless communication module supports external reset; it can restore the module to default
settings through Reset signal.
When Reset signal is Active Low by 100ms, the module will reset and restart. When users reset the
module, PMU inside the module is still on.
Note: Reset signal is sensitive, when PCB layout, please keep it away from radio frequency interference,
add debouncing capacitor near the module end is recommended. Don’t trace the Reset signal in PCB
edge or surface, it may reset ESD.
Pulse Timing requirements:
Parameters Condition Minimum Value Typical Value Maximum Value Unit
Pulse Width 100 300 3000 ms
Recommended design:
Figure 5- 6 Reset Recommended Design