用来驱动8*8点阵块，汉字为16*16单行显示，可以显示8个汉字，出字方式为从右向左移动，速度可调-Used to drive dot matrix 8* 8 blocks, Chinese characters for the 16* 16 one-way, it can be showed that eight Chinese characters for the word from right to left movement, speed adjustable