User's Manual

LE910 Hardware User Guide
1vv0301089 Rev.3 – 09-06-2014
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 25 of 79
The below flow chart is describing the HW Shutdown procedure:
“HW SHUTDOWN
Unconditional”
START
HW_SHDN = LOW
Delay 200ms
HW_SHDN = HIGH
PWRMON = ON
Delay 1s
Y
N
Disconnect
VBATT
“HW SHUTDOWN
Unconditional”
END