并用编程实现两种LCD 驱动方式的基本原 理和方法；1．用总线方式直接驱动带有驱动模块的LCD。 2．用ARM 内置的LCD 控制器来驱动LCD。-programming using two LCD driver means the basic principles and methods; 1. With direct bus driver with the LCD driver modules. 2. ARM with a built-in LCD controller to dri