查看“EMB-2500-COM”的源代码

[[文件:EMB-2500-COM_DB.jpg|500px|缩略图|EMB-2500-COM_DB]]
===== COM1引脚定义 =====
{| class="wikitable"
|-
! 引脚定义 !! Pin !! Pin !! 引脚定义 
|-
| COM1_RTS# || 1 || 2 || NC
|-
| COM1_RXD || 3 || 4 || NC
|-
| COM1_TXD || 5 || 6 || NC
|-
| COM1_CTS# || 7 || 8 || NC
|-
| GND || 9 || 10 || GND
|}



===== COM_DB引脚定义 =====
{| class="wikitable"
|-
! 引脚定义 !! Pin !! Pin !! 引脚定义 
|-
| NC || 1 || 2 || COM1_RXD
|-
| NC || 3 || 4 || COM1_TXD
|-
| NC || 5 || 6 || COM_MCU_TXD
|-
| NC || 7 || 8 || COM_MCU_RXD
|-
| GND || 9 || 10 || GND
|}
* Pin 6 和 Pin 8为MCU 烧录口



[[文件:EMB-2500-J11.jpg|500px|缩略图|EMB-2500-J11]]
===== J11 可选做串口 =====
{| class="wikitable"
|-
! 引脚定义 !! Pin# !! Pin# !! 引脚定义
|-
| SD1_CMD || 1 || 2 || SD1_DAT0
|-
| SD1_CLK || 3 || 4 || SD1_DAT1
|-
| 5V || 5 || 6 || 5V
|-
| 3.3V || 7 || 8 || 3.3V
|-
| GND || 9 || 10 || GND
|}