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1
Nvidia Jetson TX2 NX manual available for free PDF download: Manual
Nvidia Jetson TX2 NX Manual (84 pages)
Brand:
Nvidia
| Category:
Computer Hardware
| Size: 2 MB
Table of Contents
Table of Contents
3
Chapter 1. Introduction
9
References
9
Abbreviations and Definitions
10
Table 1-1. Abbreviations and Definitions
10
Chapter 2. Jetson TX2 NX
12
Table 2-1. Jetson TX2 NX Interfaces
12
Figure 2-1. Jetson TX2 NX Block Diagram
13
Table 2-2. Jetson TX2 NX Connector Pinout Matrix
13
Chapter 3. Developer Kit Feature Considerations
15
Button Power MCU
15
USB Superspeed Hub
16
Power over Ethernet
16
TI TXB0108 Level Shifters
16
Features Not to be Implemented
16
Chapter 4. Module Connector
17
Module Connector Details
17
Module to Mounting Hardware
17
Figure 4-1. Jetson TX2 NX Module Installed in SODIMM Connector
17
Module Installation and Removal
18
Figure 4-2. Module to Connector Assembly Diagram
18
Chapter 5. Power
19
Table 5-1. Jetson TX2 NX Power and System Pin Descriptions
19
Power Supply and Sequencing
20
Power Handshake Signals
20
Figure 5-1. Jetson TX2 NX Power and Control Block Diagram
20
Power Sequencing
22
Figure 5-2. System Power and Control Block Diagram
22
Figure 5-3. Power up Sequence (no Power Button - Auto Power-On)
22
Figure 5-4. Power-Up Sequence (with Power Button)
23
Figure 5-5. Power down - Initiated by SHUTDOWN_REQ* Assertion
23
Figure 5-6. Power down - Sudden Power Loss
23
Chapter 6. USB and PCI Express
24
Table 6-1. Jetson TX2 NX USB 2.0 Pin Descriptions
24
Table 6-2. Jetson TX2 NX USB 3.0 and Pcie Pin Descriptions
24
Table 6-3. Jetson TX2 NX USB 3.0 and Pcie Lane Mapping Configurations
25
Usb
26
Figure 6-1. USB Connection Example
26
USB 2.0 Design Guidelines
27
USB 3.0 Design Guidelines
27
Table 6-4. USB 2.0 Interface Signal Routing Requirements
27
Table 6-5. USB 3.0 Interface Signal Routing Requirements
27
Figure 6-2. IL/NEXT Plot
29
Figure 6-3. Trace Spacing for TX/RX Non-Interleaving
29
Common USB Routing Guidelines
30
Figure 6-4. Via Structures
30
Figure 6-5. ESD Layout Recommendations
30
Figure 6-6. Component Order
30
Pcie
31
Table 6-6. USB 2.0 Signal Connections
31
Table 6-7. Miscellaneous USB 2.0 Signal Connections
31
Table 6-8. USB 3.0 Signal Connections
31
Figure 6-7. Example Pcie Connections
32
Pcie Design Guidelines
33
Table 6-9. Pcie Interface Signal Routing Requirements
33
Figure 6-8. AC Cap Voiding
34
Table 6-10. Pcie Signal Connections
34
Gigabit Ethernet
35
Table 6-11. Jetson TX2 NX Gigabit Ethernet Pin Description
35
Figure 6-9. Jetson TX2 NX Ethernet Connections
36
Figure 6-10. Gigabit Ethernet Magnetics and RJ45 Connections
36
Table 6-12. Ethernet MDI Interface Signal Routing Requirements
37
Table 6-13. Ethernet Signal Connections
37
Chapter 7. Display
38
Mipi Dsi
38
Table 7-1. Jetson TX2 NX Display General Pin Description
38
Table 7-2. Jetson TX2 NX DSI Pin Description
38
MIPI DSI and CSI Design Guidelines
39
Figure 7-1. DSI 1 X 2 Lane Connection Example
39
Table 7-3. MIPI DSI and CSI Interface Signal Routing Requirements
39
MIPI DSI and CSI Connection Guidelines
40
HDMI, Edp, and DP
40
Table 7-4. MIPI DSI Signal Connections
40
Table 7-5. Jetson TX2 NX Edp and DP Pin Description
40
Edp and DP
41
Table 7-6. Displayport and HDMI Pin Mapping
41
Edp and DP Routing Guidelines
42
Figure 7-2. DP and Edp Connection Example on DP0 Pins
42
Figure 7-3. Edp Differential Main Link Topology
42
Table 7-7. Edp/Dp Main Link Signal Routing Requirements Including DP_AUX
43
Figure 7-4. S-Parameter
45
Figure 7-5. Via Topology #1
45
Figure 7-6. Via Topology #2
45
Table 7-8. Edp and DP Signal Connections
45
Hdmi
46
Figure 7-7. HDMI Connection Example
46
HDMI Routing Guidelines
47
Figure 7-8. HDMI CLK and Data Topology
47
Table 7-9. HDMI Interface Signal Routing Requirements
47
Figure 7-9. IL and FEXT Plot
50
Figure 7-10. TDR Plot
50
Figure 7-11. HDMI Via Topology
51
Figure 7-12. Add-On Components - Top
51
Figure 7-13. Add-On Components - Bottom
51
Figure 7-14. AC Cap Void
51
Figure 7-15. RPD, Chock, FET Placement
51
Figure 7-16. ESD Footprint
52
Figure 7-17. ESD Void
52
Figure 7-18. SMT Pad Trace Entering
52
Figure 7-19. SMT Pad Trace between
52
Figure 7-20. Connector Voiding
52
Table 7-10. HDMI Signal Connections
53
Chapter 8. MIPI CSI Video Input
54
Table 8-1. Jetson TX2 NX CSI Pin Description
54
Figure 8-1. 4 Lane CSI Camera Connection Example
55
Table 8-2. Jetson TX2 NX Camera Miscellaneous Pin Description
55
Figure 8-2. Available Camera Control Pins
56
Table 8-3. CSI Configuration
56
Figure 8-3. CSI Connection Options
57
CSI Design Guidelines
58
Table 8-4. MIPI CSI Signal Connections
58
Table 8-5. Miscellaneous Camera Connections
58
Chapter 9. SD Card and SDIO
59
Table 9-1. Jetson TX2 NX SDIO Pin Description
59
Figure 9-1. SD Card Connection Example
60
Table 9-2. SD Card and SDIO Interface Signal Routing Requirements
60
Table 9-3. SD Card and SDIO Signal Connections
61
Chapter 10. Audio
62
Table 10-1. Jetson TX2 NX Audio Pin Description
62
Figure 10-1. Audio Connections
63
Figure 10-2. Audio Codec Connections
63
Table 10-2. Interface Signal Routing Requirements
64
Chapter 11. Miscellaneous Interfaces
65
I2C
65
I2C Design Guidelines
66
Figure 11-1. I2C Connections
66
Spi
68
Figure 11-2. SPI Connections
68
SPI Design Guidelines
69
Figure 11-3. Basic SPI Master and Slave Connections
69
Figure 11-4. SPI Topologies
69
Can
70
Fan
70
Figure 11-5. Jetson TX2 NX CAN Connections
70
Uart
71
Figure 11-6. Jetson TX2 NX Fan Connections
71
Debug
72
Figure 11-7. Jetson TX2 NX UART Connections
72
Debug UART
73
Figure 11-8. Debug UART Connections
73
Chapter 12. PADS
74
Internal Pull-Ups for Dual-Voltage Block Pins Powered at 1.8V
74
Schmitt Trigger Usage
74
Pins Pulled and Driven High During Power-ON
75
Chapter 13. Unused Interface Terminations
77
Unused Multi-Purpose Standard CMPS Pad Interfaces
77
Chapter 14. Jetson TX2 NX Pin Descriptions and Design Checklist
78
Chapter 15. General Routing Guidelines
79
Signal Name Conventions
79
Routing Guideline Format
80
Signal Routing Conventions
80
General Routing Guidelines
80
General PCB Routing Guidelines
81
Figure 15-1. GSSG Stack-Up
81
Common High-Speed Interface Requirements
82
Figure 15-2. Common Mode Choke
83
Figure 15-3. Serpentine
83
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