DM430-L型最小系统板串口测试程序，使用单片机的串口0通过电脑与串口线连接开发板串口座，使用串口调试助手发送数据到系统板

//系统板会将收到的数据再发送到串口调试助手，接收采用中断模块，发送用查询

板载的BSL模块可以通过跳线帽设置为USB转串口模式，笔记本电脑没有串口可以直接代替

开发板的BSL_Config区的RXD和TXD0连接，TXD和RXD0连接即可-DM430-L-type minimum system board serial testing procedures, the use of single-chip serial 0 via serial cable to connect the computer and the development board serial seat, using serial debugging assistant to send data to the system board// system board will receive data then sent to the serial debugging assistant, reception using interrupt module, sent by check// BSL-board module can be set by a jumper for the USB to serial mode, the laptop does not have serial ports can directly replacedevelopment board BSL_Config area RXD and TXD0 connection, TXD and is connected to RXD0