![RTimes RTSS-X502N User Manual Download Page 11](http://html.mh-extra.com/html/rtimes/rtss-x502n/rtss-x502n_user-manual_1497779011.webp)
Realtimes Beijing Technology Co.,LTD
www.realtimes.cn/en/index.html
RTSS-X502N Reference Manual V1.0
11
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)
4.3 CAN connector
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
CAN0H
2
CANOL
3
CAN1H
4
CAN1L
5
GND
6
NC
7
NC
8
NC
9
NC
4.4 WiFi antenna connector
Function
WiFi antenna interface
marking
AT1 AT2
Type
ipex to sma female
4.5 4G antenna connector
Function
4G antenna interface
marking
AT3 AT4