串口R232协议的了解,懂得如何读取串口的数据,发送数据到串口.-R232 serial protocol understanding, know how to read serial data, send data to the serial port.

R232串口接收汇编语言程序，简单明了，适合初学者入门。-R232 serial port receives the assembly language procedures, simple and clear, suitable for beginners entry.Introduction to scholars.