此种LCD2004是一种相对特殊的显示模块，为独立两个2002，E脚独立，其他公用，此程序验证了两个分屏幕同时显示的一种驱动方法-This is a relatively specific LCD2004 display module, as a separate two 2002, E foot independence other utilities, this procedure verified that both split-screen display while a driving method