Wiring Section 3-3
14
3-3-2-3 USB host port
The USB host port is compliant with the USB 2.0 specification. The USB host
port supports USB memory stick devices. The USB sticks can be used for data
logging and program upload/download, and carrying print files in CSV format.
The connector is a standard USB type A female connector as shown in Figure
3.7: USB host connector.
Figure 3.7: USB host connector
Pinning of the USB host port is described in the table below.
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Table 3.4: Pin layout of USB host port
3-3-2-4 USB device port
The USB device port is compliant with the USB 2.0 specification for self-
powered devices.
The connector is a standard USB type B female connector as shown in Figure
3.8: USB device connector.
Figure 3.8: USB device connector
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Table 3.5: Pin layout of USB device port
Pin number Pin name Description
1 VBUS +5V
2 D- Data -
3 D+ Data +
4 GND Signal ground
shell shield
Pin number Pin name Description
1 VBUS +5V
2 D- Data -
3 D+ Data +
4 GND Circuit ground
shell shield
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