Shanghai SIMCom Wireless Solutions Limited SIM7000G ユーザーズマニュアル
Smart Machine Smart Decision
SIM7000 _Hardware Design _V1.00
2017-05-23
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.
Default
status
Description
Comment
Power supply
VBAT
55、56、
57
PI
Power supply, voltage range:
3.0～4.3V.
VDD_EXT
15
PO
LDO power output 1.8V for
other external circuits with Max
50mA current output, such as
level shift circuit.
If unused, keep it
open.
GND
2、17、
18、29、
39、45、
46、54、
58、59、
61、62、
63、64、
65
Ground
System Control
PWRKEY
1
DI,PU
System power on/off control
input, active low. The efficient
input level must be below 0.5V.
The level is 0.8V when
this PIN is floating;
this PIN is floating;
NRESET
16
DI, PU
System reset control input,
active low.
NRESET has been
pulled up to 1.8V via
40Kohm resistor
internally.