5.7 USB interface
5.7.1 How to connect the USB OTG interface
The NXP i.MX6UL USB module provides high performance USB On-The-Go (up to 480Mbps), compatible with the USB 2.0
specification. An OTG HS PHY is also integrated so no external OTG PHY is needed on the baseboard. The figure shows how the MINI-
AB USB/OTG connector is powered and connected in the evaluation board. In the following table are listed all USB/OTG signal of mail
connector.
Use of the USB OTG port as Device or as Host depending on the status of the ID signal that is used also to enable the power supply.
Figure 12
A Connector
Name
Primary Function Description
CPU Pin Name
GPIO Capable Voltage
12
USB_OTG_VBUS *
USB on the go interface
USB_OTG1_VBUS
N
-
6
USB_OTG_DP
USB on the go interface
USB_OTG1_DP
N
-
4
USB_OTG_DN
USB on the go interface
USB_OTG1_DN
N
-
2
USB_OTG_ID
USB on the go interface
UART3_TX_DATA
N
-
Table 12
* Note: The USB_OTG_VBUS is an INPUT power signal. It must be connected to +5V
D N :
3 1
