User's Manual

HE910 Hardware User Guide
1vv0300925 Rev.9 07-02-2012
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 23 of 80
For example:
1- Let's assume you need to drive the ON# pad with a totem pole output of a +3/5 V
microcontroller (uP_OUT1):
2- Let's assume you need to drive the ON# pad directly with an ON/OFF button: