ATX-6552 COM
来自ARM Wiki
KCOM1-2：
| 信号名称 |
Pin |
Pin |
信号名称
|
| KCOM1_485B |
1 |
2 |
NC
|
| KCOM1_485A/232RX |
3 |
4 |
KCOM1_RTS
|
| KCOM1_232TX |
5 |
6 |
KCOM1_CTS
|
| NC |
7 |
8 |
NC
|
| GND |
9 |
10 |
GND
|
| 信号名称 |
Pin |
Pin |
信号名称
|
| KCOM2_485B |
1 |
2 |
NC
|
| KCOM2_485A/232RX |
3 |
4 |
KCOM2_RTS
|
| KCOM2_232TX |
5 |
6 |
KCOM2_CTS
|
| NC |
7 |
8 |
NC
|
| GND |
9 |
10 |
GND
|
KCOM3-4：
| 信号名称 |
Pin |
Pin |
信号名称
|
| NC |
1 |
2 |
NC
|
| KCOM3_232RX |
3 |
4 |
KCOM3_RTS
|
| KCOM3_232TX |
5 |
6 |
KCOM3_CTS
|
| NC |
7 |
8 |
NC
|
| GND |
9 |
10 |
GND
|
| 信号名称 |
Pin |
Pin |
信号名称
|
| NC |
1 |
2 |
NC
|
| KCOM4_232RX |
3 |
4 |
KCOM4_RTS
|
| KCOM4_232TX |
5 |
6 |
KCOM4_CTS
|
| NC |
7 |
8 |
NC
|
| GND |
9 |
10 |
GND
|
COM1：
| Pin |
信号名称
|
| 1 |
COM1_DCD#
|
| 2 |
COM1_SIN
|
| 3 |
COM1_SOUT
|
| 4 |
COM1_DTR#
|
| 5 |
GND
|
| 6 |
COM1_DSR#
|
| 7 |
COM1_RTS#
|
| 8 |
COM1_CTS#
|
| 9 |
COM1_RI_L
|