液晶是单片机系统最常用的显示设备之一，这个程序库是在MSP430单片机上测试通过的，可以放心使用；液晶选用的是金鹏12864液晶；控制液晶用的是并行方式，三个控制口是P3.0、P3.1、P3.2三个IO口，数据用的是P5数据IO口。-LCD is one of the most commonly used SCM system display device, the library is on the MSP430 microcontroller test, you can be assured　LCD choices are Jinpeng 12864　controlled crystal using a parallel way, the three control port is P3 .0, P3.1, P3.2 three IO ports, data is data IO port P5.