SimCom SIM5300E Hardware Design

SIM5300E_Hardware_Design_V1.02
9
IO
Bidirectional input / output
DI
Digital input
DO
Digital output
AI
Analog input
AO
Analog output
Table 5: Pin description
Pin name
Pin number
IO
Description
Comment
Power supply
VBAT
55,56,57
PI
Power supply
VRTC
26
PI/
PO
Power supply for RTC
It is recommended
to connect with a
battery or a
capacitor (e.g.
4.7uF).
VDD_EXT
15
PO
1.8V output power supply
At all times,
VDD_EXT must not
be influenced by
any external voltage
above 2V. If it is
unused, keep
floating.
GND
2,17,18,29,39
,45,46,54,58,
59,61,62,63,6
4,65
Ground
Power on/down
PWRKEY
1
DI
PWRKEY should be pulled low at least
100ms to power on or 1s to power
down the module.
Pulled up internally.

SimCom SIM5300E Specifications

General

Brand	SimCom
Model	SIM5300E
Category	Control Unit
Language	English