Sunsea AIoT SIMCom SIM7600NA, Руководство пользователя, Страница: 16 / 74

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SIM7600NA_user manual _V1.00 16 2020-1-7
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
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
,40,41,4
3,57,58,
60,61,64
,65,77,7
8,80,81,
93,96,11
0,118,12
0,121,12
2,123,12
4,125,12
6,127,12
8,129,13
Ground