外部中断在不同触发方式下的Protues仿真及C语言程序设计。 分别采用外部中断0和1通过不同触发方式控制发光二极管的亮灭，编制相应程序并且仿真。 -Respectively, and an external interrupt 0 is triggered by different ways to control LED light off, the preparation of the corresponding procedures and simulation.