Program design includes sending and incepting communication program and initialization programs that set up baud rate coefficient, asynchronism communication format, working mode and permitting break off and shield location, etc.

• 程序设计包括波特率因子、异步通信格式、工作方式和中断准许/屏蔽位等设置的初始化程序,及发送/接收通讯程序。