User's Manual

UL865-N3G Hardware User Guide
1VV0301177 Rev 2– 2015-04-20
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Reserved. Page 19 of 70
Mod. 0805 2011-07 Rev.2
NOTE:
The power supply must be applied either at the same time on pins VBATT and
VBATT_PA.
NOTE:
To guarantee a correct module’s start-up please check that the Power Supply is with a
level >3.22V within 21mS.
NOTE:
In order to prevent a back powering effect it is recommended to avoid having any HIGH
logic level signal applied to the digital pins of the UL865-N3G V2 when the module is
powered OFF or during an ON/OFF transition.