User's Manual

CE910-DUAL Hardware User Guide
1vv0301010 Rev .0 – 2012-07-10
Reproduction forbidden without written authorization from Telit Communications S.p.A. - All Rights Reserved. Page 25 of 63
TIP:
The unconditional hardware Shutdown must always be implemented on the boards and the
software must use it only as an emergency exit procedure.
For example:
To drive the HW_SHUTDOWN* pad with a totem pole output of a +3/5 V microcontroller
(uP_OUT2):
4.4. Summary of Turning ON and OFF the Module
The chart below describes the overall sequences for turning the module ON and OFF.