Specifications

Smart Machine Smart Decision
SIM7080G _Hardware Design _V1.03 15 2019-12-13
2.2 Pin Description
Table 4: IO parameters definition
Pintype
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
34,35
PI
Power supply, voltage
range:2.7V～4.8V.
VDD_EXT
40
PO
LDO power output 1.8V for
other external circuits with Max
50mA current output.
This power supple only use for
external GPIO pulling up or
level shift circuit.
If unused, keep it open.
GND
8, 13,
19,
21,
27,
30,
31,
33,
36,
37,
45,
63,
66,
67,
69,
70,
71,
72,
73,
Ground