12864液晶资料，能够绘画直线、点、圆、三角形、正方形、正弦、余弦等函数图象，非常好用，在51开发板上测试通过，可以自己定义管脚（基于PG12864-J液晶）。-12864 LCD data, to drawing a straight line, point, circle, triangle, square, sine, cosine function, such as images, very easy to use, tested in 51 development board, yo