MATX-6994 COM
来自ARM Wiki
文件:MATX-6994 COM1，JCOM2, JCOM3-6
COM1：
| Pin | COM1 |
|---|---|
| 1 | DCD# |
| 2 | SIN |
| 3 | SOUT |
| 4 | DTR# |
| 5 | GND |
| 6 | DSR# |
| 7 | RTS# |
| 8 | CTS# |
| 9 | RI |
COM2 跳线功能设置（J1，J2，J3）：
COM2 RS232 PORT COM2 RS422 PORT COM2 RS485 PORT J1 1-3 2-4 J1 3-5 4-6 J1 3-5 4-6 J2 1-3 2-4 J2 3-5 4-6 J2 3-5 4-6 J3 1-2 J3 3-4 J3 5-6
JCOM3-6：
| 信号名称 | Pin | Pin | 信号名称 |
|---|---|---|---|
| HDCD#3 | 1 | 2 | HDSR# |
| HSIN | 3 | 4 | HRTS# |
| HSOUT3 | 5 | 6 | HCTS# |
| HDTR# | 7 | 8 | HRI# |
| GND | 9 | 10 | GND |