User's Manual

Smart Machine Smart Decision
SIM7100A_User Manual_V1.01 2014-12-11
28
NETLIGHT/GPIO1
(Output)
V
IL
<0.3V
V
IH
> 1.6V
TonVBAT
PWRKEY
(Input)
Tpd+
UART Port
Undefined
Active
USB Port
Undefined
Active
VDD_EXT
Tpw+
Tuart
Tusb
(Output)
4.7K
47K
Turn on / off
impulse
PWRKEY
Power
On / off logic
200K
1.8V
MODULE
Figure 10: Power on Timing Sequence