本文档详细描述了msp430G2553单片机串口通信的原理和编程方法。包括了UART SPI原理介绍，编程步骤和程序实例。能让新手结合该文档迅速完成串口通信编程。-This document describes in detail the principle of msp430G2553 microcontroller serial communication and programming methods. Including UART SPI principle, the programming steps and procedures of examples. Allows novice in conjunction with the speedy completion of the serial communication programming.