Shenzhen
Smart Device Technology Co.,Ltd
USB There are two kinds of sockets
：
One kind is single row pin
，
Electrical definitions are as follows
：
NO.
Definition
Property
Description
4
VCC
Power supply
5V output
3
DM
input/output
DM
2
DP
input/output
DP
1
GND
ground
electrode
ground electrode
The other is a double row pin, electrical definitions such as J23 are as follows
：
NO.
Definition
Property
Description
1
VCC
Power supply
5V output
2
DM
input/output
DM
3
DP
input/output
DP
4
GND
ground
electrode
ground electrode
5
VCC
Power supply
5V output
6
DM
input/output
DM
7
DP
input/output
DP
8
GND
ground
electrode
ground electrode
◆
Touch screen interface