PRELIMINARY INFORMATION 
NVIDIA Jetson Orin NX  DG-10931-001_v0.1 |   viii 
Table 12-6.  SPI Signal Connections ........................................................................................ 65 
Table 12-7.  Jetson Orin NX UART Pin Descriptions ............................................................... 66 
Table 12-8.  UART Signal Connections .................................................................................... 67 
Table 12-9.  Jetson Orin NX CAN Pin Descriptions ................................................................. 67 
Table 12-10.  CAN Interface Signal Routing Requirements ..................................................... 67 
Table 12-11.  CAN Signal Connections ...................................................................................... 68 
Table 12-12.  Jetson Orin NX Fan Pin Descriptions .................................................................. 68 
Table 12-13.  Jetson Orin NX Debug UART Pin Descriptions ................................................... 69 
Table 12-14.  Debug UART Connections .................................................................................... 69 
Table 13-1.  Pins Pulled or Driven High by Orin Prior to SYS_RESET* Inactive .................... 71 
Table 13-2.  Pins with External Pull-Ups to Supply on before SYS_RESET* Inactive ........... 71 
Table 14-1.  Unused MPIO Pins and Pin Group ....................................................................... 72 
Table 17-1.  Signal Type Codes ................................................................................................ 75 
Table 17-2.  Common High-Speed Interface Requirements .................................................. 78