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X501N Reference Manual V2.
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2.10 CAN/Audio connector
Function
CAN /Audio I/O connectors
marking
CAN/Audio
Type
DB9
Pin define
Pin 1 location: The green frame on the right.
CAN bus interface function is not available when used with
Jetson TX1 module.
Pin
Signal
Pin
Signal
1
CAN0H
2
CANOL
3
CAN1H
4
CAN1L
5
GND
6
AUDIO_GND
7
MIC_IN
8
AUDIO_HR_R
9
AUDIO_HR_L
2.11 Serial connector
Function
Serial port
marking
COM1 COM2
Type
DB9
Pin define
Pin 1 location: The green frame on the right.
The COM1 ~ 2 serial ports are RS232 signals. The mapping
files in the Linux system are ttyS0 and ttyTHS2 in the / dev
directory.
TXD1 / RXD1 defaults to the kernel debug serial port,
which is used to output C-BOOT, U-BOOT, and Linux
kernel information. After the Linux kernel is started, it is
used as the serial port of the display terminal. TX1 / TX2
default serial port settings are: 115200bps, 8N1.
Pin
Signal
Pin
Signal
1
2
RXD1
3
TXD1
4
5
GND
6
Pin
Signal
Pin
Signal
1
2
RXD2
3
TXD2
4
5
GND
6
