Nvidia Jetson Orin NX - Page 4

PRELIMINARY INFORMATION
NVIDIA Jetson Orin NX DG-10931-001_v0.1 | iv
Chapter 11. Audio ................................................................................................... 58
Chapter 12. Miscellaneous Interfaces .................................................................... 61
12.1 I2C ................................................................................................................................. 61
12.1.1 I2C Design Guidelines ................................................................................................ 62
12.2 SPI ................................................................................................................................. 63
12.2.1 SPI Design Guidelines ................................................................................................ 65
12.3 UART ................................................................................................................................. 66
12.4 CAN ................................................................................................................................. 67
12.5 Fan ................................................................................................................................. 68
12.6 Debug ................................................................................................................................ 69
Chapter 13. PADS ................................................................................................... 70
13.1 Internal Pull-Ups for Dual Voltage Block Pins Power at 1.8V ....................................... 70
13.2 Schmitt Trigger Usage ..................................................................................................... 70
13.3 Pins Pulled or Driven High During Power-On ................................................................ 71
Chapter 14. Unused Interface Terminations .......................................................... 72
14.1 Unused Multi-Purpose Standard CMOS Pad Interfaces ................................................ 72
14.2 Unused Dedicated Special Purpose Pad Interfaces ....................................................... 72
Chapter 15. Design and Bring-Up Checklists ......................................................... 73
Chapter 16. Jetson Orin NX Pin Descriptions ......................................................... 74
Chapter 17. General Routing Guidelines ................................................................ 75
17.1 Signal Naming Convention .............................................................................................. 75
17.2 Routing Guidelines Format .............................................................................................. 76
17.3 Signal Routing Conventions ............................................................................................. 76
17.4 Routing Guidelines ........................................................................................................... 76
17.4.1 General PCB Routing Guidelines .............................................................................. 77
17.5 Common High-Speed Interface Requirements .............................................................. 78
17.6 Test Points for High-Speed Interfaces ............................................................................ 79
Chapter 18. USB SS and Wireless Coexistence ...................................................... 80
18.1 Mitigation Techniques ...................................................................................................... 80