不占用串口资源解决双CPU数据交换的新方法

A NEW METHOD OF DATA EXCHANGING BETWEEN DOUBLE CPU WITHOUT OCCUPYING SERIAL PORT RESOURCE

介绍了 9位UART的工作方式 ,在不占用原CPU串口资源的情况下 ,给出了双CPU数据交换的新方法———软件 9位UART .

The working mode of 9 bit UART is introduced in this paper, and a method of double CPU data exchanges (Software 9 bit UART) without using serial port resource is provided.