单片机MC9S12XS256英文资料IntroductionThenewMC9S12XS-Familyof16-Bitmicrocontrollersisacompatible,reducedversionoftheMC9S12XE-Family.Thesefamiliesprovideaneasyapproachtodevelopcommonplatformsfromlowendtohigh-endapplications,minimizingtheredesignofsoftwareandhardware.