2407原理结构，应用。包括：数字输入输出模块；事件管理器模块；数模转换模块；串行外设接口模块；串行通讯接口模块；局部控制器模块；应用模块-2407 Architecture, Application. Including : digital input-output module; Event Management module; ADC module; Serial Peripheral Interface module; Serial Communication Interface module; Local controller module; Application Module