USB and PCI Express
NVIDIA Jetson Nano DG-09502-001_v2.1 | 21
Figure 6-5. ESD Layout Recommendations
Figure 6-6. Component Order
6.1.3 Common USB Routing Guidelines
If routing to USB device or USB connector includes a flex or 2nd PCB, the total routing
including all PCBs/flexes must be used for the max trace and skew calculations.
Keep critical USB related traces away from other signal traces or unrelated power
traces/areas or power supply components.
Table 6-6. Tegra USB 2.0 Signal Connections
Jetson Nano Ball Name Type Termination Description
USB[2:0]_D_P
USB[2:0]_D_N
DIFF I/O 90Ω common mode chokes close to
connector. ESD Protection between
choke and connector on each line to
GND
USB Differential Data Pair: Connect to USB
connector, Mini-Card socket, hub or another
device on the PCB.
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