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H330S Hardware User Manual
Page 29 of 44
5.2.4 Reset Signal
H330S wireless modules support external reset function. It is feasible to reset the module back to the
original state by the Reset Signal.
When setting the Reset Signal low for 100ms, the module will be reset and restarted. When the user uses
the Reset function, the PMU inside the module will not lose power.
Note:
Reset signal is a sensitive signal line. In designing PCB layout, please keep the line away from
RF interference, and make it well wrapped with ground wire. And it is advised to add an
anti-shaking capacitor at the place close to the module end.
The timing sequence requirements of its pulse are as follows:
Parameters
Condition
Minimum Value
Unit
Pulse Width
100
300
3000
ms
Recommended design:
Figure 5- 6 Reset Recommended Design
