SimCom SIM5300E

SIM5300E_Hardware_Design_V1.02
17
4.7K
47K
Turn on/off impulse
PWRKEY
Power
on/down logic
200K
1.8V
MODULE
Figure 10: Powered on/down module using transistor
PWRKEY
Power
on/down logic
200K
1.8V
MODULE
ESD
ANTI
Figure 11: Powered on/down module using button
The power on scenarios is illustrated as following figure.
STATUS
(Output)
T
on
VBAT
PWRKEY
(Input)
T
on(status)
UART Port
Undefined
Active
T
on(uart)
Undefined
Active
USB Port T
on(usb)
Figure 12: Timing of power on module
Table 7: Power on timing and Electronic Characteristic
Symbol
Parameter
Min.
Typ.
Max.
Unit