User's Manual

CE910 Family Hardware User Guide
1vv0301010 Rev.11 – 2015-10-27
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved.
Page 29 of 75
For example:
Let us assume you need to drive the HW_SHUTDOWN* pad with a totem pole output of a +3/5 V
microcontroller (uP_OUT2):
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 CE910 when the module is powered OFF or during an
ON/OFF transition.