Chapter 8. Gigabit Ethernet; Figure 8-1. Jetson Orin Nx Ethernet Connections; Table 8-1. Jetson Orin Nx Gigabit Ethernet Pin Descriptions - Nvidia Jetson Orin NX Design Manual

Chapter 8. Gigabit Ethernet

Jetson Orin NX integrates a Gigabit Ethernet PHY. The magnetics and RJ45 connector are
implemented on the carrier board.
Table 8-1. Jetson Orin NX Gigabit Ethernet Pin Descriptions
Module Pin
Pin # Name Orin Signal
194 GBE_LED_ACT −
188 GBE_LED_LIN
−
K
184 GBE_MDI0_N −
186 GBE_MDI0_P −
190 GBE_MDI1_N −
192 GBE_MDI1_P −
196 GBE_MDI2_N −
198 GBE_MDI2_P −
202 GBE_MDI3_N −
204 GBE_MDI3_P −
Notes: In the Direction column, Output is from Jetson Orin NX. Input is to Jetson Orin NX. Bidir is for Bidirectional signals.
Figure 8-1. Jetson Orin NX Ethernet Connections
SoC
UPHY2
GP189_PCIE8_CLKREQ_N
GP190_PCIE8_RST_N
GP185_PCIE_WAKE_N
HS_UPHY2_L3_TX_N
HS_UPHY2_L3_TX_P
HS_UPHY2_L3_RX_N
HS_UPHY2_L3_RX_P
SF_PCIE8_CLK_N
SF_PCIE8_CLK_P
PRELIMINARY INFORMATION
NVIDIA Jetson Orin NX
Usage and Description
Ethernet Activity LED (Yellow)
Ethernet Link LED (Green)
GbE Transformer Data 0
GbE Transformer Data 1
GbE Transformer Data 2
GbE Transformer Data 3
Jetson
3.3V
GbE
PHY
Recommended
Usage Direction Pin Type
Output
Output
LAN
Bidir
GBE_MDI0_P
186
GBE_MDI0_N
184
GBE_MDI1_P
192
GBE_MDI1_N
190
GBE_MDI2_P
198
GBE_MDI2_N
196
GBE_MDI3_P
204
GBE_MDI3_N
202
GBE_LED_ACT
194
GBE_LED_LINK
188
DG-10931-001_v0.1 | 37
MDI
To Magnetics/
RJ45 Connector