H330SS LGA Module Hardware User Manual Page 23 of 38
5.2.3
Power off Signal
After lower down POWER_OFF signal, module changes to shutdown status.
Parameter
Condition
Minimum Value
Typical Value
Maximum Value
Unit
Pulse Width
100
300
3000
ms
Timing control:
Figure 5-4
Reference design:
Figure 5-5
5.2.4
Reset Signal
H330S 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. When users reset the module, PMU inside the
module is still on. If the module is connected to PC, you can see PC Virtual port restarts.
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.
