新型显示驱动器ICM7218A原理及应用

Theory and application of a new led display driver ICM7218A

ICM72 1 8A是通用数码管驱动器 ,控制方式简单灵活 ,并可与 8位微处理器接口 .可广泛应用于电源及仪器仪表的显示中 ;文中介绍了芯片的工作原理 。

ICM7218A is a general led display driver. It can be controlled simply by a 8-bit microprocessor, and can be widely used to display data in electrical power and instrument system. Its schematic diagram is introduced, an application circuit controlled by AT89C51 is also provided.