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Smart Machine Smart Decision
SIM5360_Hardware Design_V1.06
2016-11-17
28
NETLIGHT/GPIO1
(Output)
VIL<0.3V
VIH > 1.6V
Ton
VBAT
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 15: Power on Timing Sequence
Table 9: Power on timing
Symbol
Parameter
Time value
Unit
Min. Typ. Max.
Ton
The time to pull PWRKEY down to power on
180 500
-
ms
TpD+
The time to indicate connecting with the network
-
-
5
s
Tpw+
The time to indicate the module is powered on
completely
-
-
0.5
s
Tuart
The time to enable UART
-
-
8
s
Tusb
The time to enable USB
-
-
10
s
Note: Module could be automatically power on by connecting PWRKEY pin to Low level directly.
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