User's Manual

GL865 Hardware User Guide
1vv0300910 Rev.1 – 2011-07-22
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved
page 48 of 79
NOTE:
The input lines working at 2.8VCMOS can be pulled-up with 47KΩ
In case of reprogramming of the module has to be considered the
use of the RESET line to start correctly the activity.
The preferable configuration is having an external supply for
the buffer.
NOTE:
In order to avoid a back powering effect it is recommended to
avoid having any HIGH logic level signal applied to the digital
pins of the GL865 when the module is powered OFF or during an
ON/OFF transition.