NVIDIA Jetson Xavier NX DG-09693-001_v1.7 | 17
Chapter 6. USB and PCIe
Jetson Xavier NX allows multiple USB 2.0, USB 3.2 and PCIe interfaces to be brought out of the
module.
USB 2.0: 3x
USB 3.2: 1x
PCIe: x1 + x4
The PCIe x4 interface supports both Root Port and Endpoint operation. The PCIe x1 interface
supports only Root Port operation.
Table 6-1. USB 2.0 Pin Description
Pin #
Module Pin
Name
Xavier Pin
Name
Usage/Description
Recommended
Usage
Directio
n
Pin Type
87 GPIO00 USB_VBUS_EN0 GPIO #0 (USB 0 VBUS Detect) USB 2.0 Micro B Bidir
Open
Drain,
1.8V
109 USB0_D_N USB0_DN
USB 2.0 Port 0 Data
USB
conn/device/hub
(i.e. Micro B)
Bidir USB PHY
111 USB0_D_P USB0_DP
115 USB1_D_N USB1_DN
USB 2.0 Port 1 Data
USB
conn/device/hub
(i.e. USB 3.2
Hub)
Bidir USB PHY
117 USB1_D_P USB1_DP
121 USB2_D_N USB2_DN
USB 2.0, Port 2 Data
USB
conn/device/hub
(i.e. M.2 Key E)
Bidir USB PHY
123 USB2_D_P USB2_DP
Note: In the Type/Dir column, Output is from Jetson Xavier NX. Input is to Jetson Xavier NX. Bidir is for Bidirectional signals.