查看“SOM-6503A-COM”的源代码

===== COM1 引脚定义 =====
[[文件:SOM-6503A-COM1.jpg|500px|缩略图|SOM-6503A-COM1]]
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| DCD_TX-B || 1 || 2 || NC
|-
| SIN_TX+A || 3 || 4 || NC
|-
| TXD || 5 || 6 || NC
|-
| NC || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}

===== COM2～COM4 引脚定义 =====
<!--
[[文件:SOM-6503A-COM2_COM4.jpg|300px|缩略图|SOM-6503A-COM2_COM4]]
-->
{| class="wikitable"
|-
! 信号名称 !! Pin !! Pin !! 信号名称 
|-
| NC || 1 || 2 || NC
|-
| RXD || 3 || 4 || NC
|-
| TXD || 5 || 6 || NC
|-
| NC || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}