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Table 6-6.
USB 2.0 Signal Connections
Module Pin Name
USB[2:0]_D_P
USB[2:0]_D_N
Table 6-7.
Miscellaneous USB 2.0 Signal Connections
Module Pin Name
GPIO00
Table 6-8.
USB 3.0 Signal Connections
Module Pin Name
USBSS_TX_N/P
(USB 3.0 Port #0)
USBSS_RX_N/P
(USB 3.0 Port #0)
6.2
PCIe
Jetson TX2 NX brings two PCIe interfaces to the module pins. One x1 and one x2 interface.
NVIDIA Jetson TX2 NX
Type
Termination
DIFF I/O
90Ω common-mode chokes close to
connector. ESD Protection between
choke and connector on each line to
GND
Type
Termination
A
5V to 1.8V level shifter
Type
Termination
DIFF Out
Series 0.1uF caps. ESD Protection near
connector if required.
DIFF In
If routed directly to a peripheral on the
board, AC caps are needed for the
peripheral TX lines. ESD protection
near connector if required.
Description
USB Differential Data Pair: Connect to USB
connector, Mini-Card socket, hub or another
device on the PCB.
Description
USB0 VBUS Enable: Connect to VBUS pin of USB
connector receiving USB0_+/– interface through level
shifter. Also connects to VBUS power supply if host mode
supported.
Description
USB 3.0 Differential Transmit Data Pairs:
Connect to USB 3.0 connectors, hubs or other
devices on the PCB.
USB 3.0 Differential Receive Data Pairs:
Connect to USB 3.0 connectors, hubs or other
devices on the PCB.
DG-10141-001_v1.1 | 23
USB and PCI Express
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