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RTSS-X501M Reference Manual V2.0
14
4.9 GPIO and function button connector
Function
GPIO and function button connectors
marking
GPIO
Type
DB9 interface
Pin define
Pin 1 location: The green frame on the right.
The sysfs mapping Numbers of GPIO0~GPIO3 in TX1 system are
respectively: 187,186,89,202. The SYSFS mapping number in the
TX2 system is respectively 388,298,480,486.
Pin
Signal
Pin
Signal
1
RESET BUTTON
2
POWER BUTTON
3
RECOVERY BUTTON
4
5
GND
6
GPIO0
7
GPIO1
8
GPIO2
9
GPIO3