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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
J22 Electrical definitions are as follows ：【 Remark,J22Outlet only one way USB host available 】
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 / / /
7 / / /
8 GND ground
electrode
ground electrode
◆ Touch screen interface
NO. Definition Property Description
1 VCC Power supply 3.3V output
2 SCK input/output I2C clock
3 SDA input/output I2C data
4 INT input/output interrupt
5 RST input/output reset
6 GND ground
electrode
ground electrode
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