User's Manual

SIM7600G User manual
www.simcom.com
20
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75
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
38,39,
62,63
PI
Power supply, voltage range:
3.4～4.2V.
VDD_AUX
44
PO
LDO power output for other
external circuits with Max 150mA
current output. Its output voltage
is 2.85V by default.（The voltage
can be configured from 1.7V to
3.05V by AT command）.
If used SGMII
function ,this pin
used for SGMII
function.
If unused, keep it
open.
VDD_1V8
15
PO
1.8 output with Max 50mA current
output for external circuit, such as
level shift circuit.
If unused, keep it
open.
GND
1,2,5,
10,14,37,
40,41,43,
57,58,60,
61,64,65,
77,78,80,
81,93,96,
110,118,1
20,121,1
22,123,1
24,125,1
26,127,1
28,129,1
30,131,1
32,133,1
34135
Ground
System Control
PWRKEY
3
DI,PU
System power on/off control input,
active low.
The high voltage is
0.8V;
RESET
4
DI, PU
System reset control input, active
low.
RESET has been
pulled up to 1.8V via
40Kohm resistor
internally.
SD interface