Realtimes Beijing Technology Co.,LTD
www.realtimesai.com
RTSS-X102 Reference Manual V1.
0
12
This interface is to debug the serial port and cannot be changed to
other functions
2.13 RS232
Function
RS232
Marking
COM2
Type
DB9
Pin define
Pin
Signal
Pin
Signal
1
NC
6
NC
2
RXD
7
NC
3
TXD
8
NC
4
NC
9
NC
5
GND
The mapping file in the /dev directory corresponding to the serial
port is: ttyTHS0
2.14 Multifunction Pin
Function
Multifunction Pin
Marking
OUT
Type
3.81mm pitch 2x10Pin double row straight pins
Pin define
Pin
Signal
Pin
Signal
1
RS485_A
2
OUT1+
3
RS485_B
4
OUT1-
5
CAN0H
6
OUT2+
7
CAN0L
8
OUT2-
9
CAN1H
10
OUT3+
11
CAN1L
12
OUT3-
13
IN1+
14
OUT4+
15
IN1-
16
OUT4-
17
IN2+
18
GND
19
IN2-
20
GND
The mapping numbers of GPIO IN1 and IN2 in the system are: 428,
429
The mapping numbers of GPIO OUT1, OUT2, OUT3, OUT4 in the
system are: 253, 254, 256, 258
RS485 corresponding hardware UART2. The mapping is ttyTHS1
