Realtimes Beijing Technology Co.,LTD
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X503N Reference Manual V2.2
10
2.2 GPIO and function button connectors
Function
GPIO and function button connectors
marking
GPIO
Type
DB9
Pin define
Pin 1 location: The green frame on the right.
The sysfs mapping numbers of the GPIO8, GPIO9,
GPIO_EXP0_INT, and GPIO_EXP1_INT in the TX1
system are: 187, 186, 89, 202. The sysfs mapping numbers
in the TX2 system are: 388, 298, 480, 486.
Pin
Signal
Pin
Signal
1
RESET
2
POWER BUTTON
3
RECOVERY
4
GND
5
GND
6
GPIO8(GPO)
7
GPIO9(GPO)
8
GPIO_EXP0_INT(GPI)
9
GPIO_EXP1_INT(GPI)
2.3 CAN connectors
Function
CAN connectors
marking
CAN
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
CAN1H
2
CAN1L
3
CAN0H
4
CAN0L
5
GND
6
NC
7
NC
8
NC
9
NC
2.4 WiFi antenna connector
Function
WiFi antenna interface
marking
AT1 AT2
Type
ipex to sma female