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 LCD controller can control the LCD, as to your hair font code, in fact, issued LCD controller, LCD controller by turn into the corresponding data to the LCD itself and the clock again, it will display different data.