COM3-6:
信号名称 |
Pin |
Pin |
信号名称
|
NC |
1 |
2 |
NC
|
DB9_UART0_RXD |
3 |
4 |
NC
|
DB9_UART0_TXD |
5 |
6 |
NC
|
NC |
7 |
8 |
NC
|
GND |
9 |
10 |
COM_PIN10
|
NC |
11 |
12 |
NC
|
CPU0_UART1_RXD_L |
13 |
14 |
NC
|
CPU0_UART1_TXD_R |
15 |
16 |
NC
|
NC |
17 |
18 |
NC
|
GND |
19 |
20 |
COM_PIN10
|
NC |
21 |
22 |
NC
|
CTS_UART2_RXD_N |
23 |
24 |
NC
|
RTS_UART2_TXD_N |
25 |
26 |
NC
|
NC |
27 |
28 |
NC
|
GND |
29 |
30 |
COM_PIN10
|
NC |
31 |
32 |
NC
|
CPU0_UART3_RXD_L |
33 |
34 |
NC
|
CPU0_UART3_TXD_R |
35 |
36 |
NC
|
NC |
37 |
38 |
NC
|
GND |
39 |
40 |
COM_PIN10
|
COM7-10:
信号名称 |
Pin |
Pin |
信号名称
|
HDCD#3 |
1 |
2 |
HDSR#3
|
HSIN3 |
3 |
4 |
HRTS#3
|
HSOUT3 |
5 |
6 |
HCTS#3
|
HDTR#3 |
7 |
8 |
HRI#3
|
GND |
9 |
10 |
COM_PIN10
|
HDCD#4 |
11 |
12 |
HDSR#4
|
HSIN4 |
13 |
14 |
HRTS#4
|
HSOUT4 |
15 |
16 |
HCTS#4
|
HDTR#4 |
17 |
18 |
HRI#4
|
GND |
19 |
20 |
COM_PIN10
|
HDCD#5 |
21 |
22 |
HDSR#5
|
HSIN5 |
23 |
24 |
HRTS#5
|
HSOUT5 |
25 |
26 |
HCTS#5
|
HDTR#5 |
27 |
28 |
HRI#5
|
GND |
29 |
30 |
COM_PIN10
|
HDCD#6 |
31 |
32 |
HDSR#6
|
HSIN6 |
33 |
34 |
HRTS#6
|
HSOUT6 |
35 |
36 |
HCTS#6
|
HDTR#6 |
37 |
38 |
HRI#6
|
GND |
39 |
40 |
COM_PIN10
|
linux下各串口对应节点:
串口 |
对应节点
|
COM1 |
ttyS4
|
COM2 |
ttyS5
|
COM3 |
ttyS0
|
COM4 |
ttyS1
|
COM5 |
ttyS2
|
COM6 |
ttyS3
|
COM7 |
ttyS6
|
COM8 |
ttyS7
|
COM9 |
ttyS8
|
COM10 |
ttyS9
|
注:若发现COM1和COM2不通讯,可通过更改串口irq后再测试串口是否通讯,更改方法
setsetial /dev/ttyS4 irq 0
setsetial /dev/ttyS5 irq 0