Miscellaneous Interfaces
PRELIMINARY INFORMATION
Jetson Orin NX Series and Jetson Orin Nano Series DG-10931-001_v1.1 | 73
Figure 12-6. Orin Module CAN Connections
Jetson
SoC - CAN
GP17_CAN0_DOUT
GP18_CAN0_DIN
CAN_TX
CAN_RX
145
CAN
PHY
143
12.4.1 CAN Routing Guidelines
The section describes the CAN routing guidelines for Orin module.
Table 12-10. CAN Interface Signal Routing Requirements
Max Data Rate / Frequency
Configuration / Device Organization
Via proximity (Signal via to GND return via)
Trace spacing: Microstrip / Stripline
Max Trace Length (for RX and TX only)
Max Trace Length/Delay Skew from RX to TX
Table 12-11. CAN Signal Connections
CAN Transmit: Connect to matching pin of device
CAN Receive: Connect to Peripheral pin of device
12.5 Fan
Orin module provides PWM and Tachometer functionality for controlling a fan as part of the
thermal solution. Information on the PWM and Tachometer pins and functions can be found in
the following locations:
Orin Module Pin Mux
• This is used to configure GPIO14 (PWM) for FAN_PWM and GPIO08 for FAN_TACH. The pin
used for FAN_PWM is configured as GP_PWM6. The pin used for FAN_TACH is configured
as a GPIO.
Orin (SoC) Technical Reference Manual (TRM)
• Functional descriptions and related registers can be found in the TRM for the FAN_PWM
(PWM chapter).
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