lcd一般是有很多数据口的,而连上LCD控制器后,主控器件,比如单片机,只需要对LCD控制器进行访问就可以控制LCD了,至于你发的字型码,其实是发给LCD控制器,由LCD控制器转成相应的数据和时钟再送给LCD本身,所以才会显示不同的数据.-lcd generally have a lot of data port, and even after the LCD controller, the master device, such as SCM, only need to access the