Pin Description - SimCom SIM7000 Hardware Design

2.2

Pin Description

Table 4: IO parameters definition
Pin type Description
PI Power input
PO Power output
AI Analog input
AIO Analog input/output
I/O Bidirectional input /output
DI Digital input
DO Digital output
DOH Digital output with high level
DOL Digital output with low level
PU Pull up
PD Pull down
Table 5: Pin description
Pin name Pin No.
Power supply
55、56、
VBAT
57
VDD_EXT 15
2、17、
18、29、
39、45、
46、54、
GND
58、59、
61、62、
63、64、
65
System Control
PWRKEY 1
SIM7000 _Hardware Design _V1.04
Default
Description
status
Power supply, voltage range:
PI
3.0～4.3V.
LDO power output 1.8V for
PO other external circuits with Max
50mA current output.
Ground
System power on/off control
DI,PU input, active low. The efficient
input level must be below 0.5V.
Smart Machine Smart Decision
Comment
This power supple
only use for external
GPIO pulling up or
level shift circuit.
If unused, keep it
open.
The level is 0.8V when
this PIN is floating;
2018-1-31