Doc. No: Unex-QSG-21-001
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© 2021 Unex Technology Corporation – Company Confidential
8.2.5.
USB1
Figure 24: USB1 port (CN2)
Table 19: USB1 pinout (CN2)
Pin
Symbol
I/O
Level (V)
Description
CN2.1
VBUS
O
5.0
5V/900mA
CN2.2
D-
I/O
0.4
USB 2.0 data -
CN2.3
D+
I/O
0.4
USB 2.0 data +
CN2.4
GND
G
-
Ground
8.2.6.
GPIO
Figure 25: GPIO headers (J1)
Table 20: GPIO pinout (J1)
Pin
Symbol
I/O
Level (V)
Description
J1.1
GPIO1
I/O
3.3
GPIO1
J1.2
GND
G
-
Ground
J1.3
GPIO2
I/O
3.3
GPIO2
J1.4
GND
G
-
Ground
1
2
3
4