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目 录 CPSR中的控制位 中断禁止位包括I和F位： 当I位置位时，IRQ中断被禁止； 当F位置位时，FIQ中断被禁止。 T位反映了正在操作的状态： 当T位置位时，处理器正在Thumb状态下运行； 当T位清零时，处理器正在ARM状态下运行。 M模式位包括M4、M3、M2、M1和M0，这些位决定处理器的操作模式。 注意：不是所有模式位的组合都定义了有效的处理器模式，如果使用了错误的设置，将引起一个无法恢复的错误。 Cycle Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Diagram Progress Diagram 3-D Pie Chart Click to edit subtitle style ARM 重庆邮电大学移通学院 ARM 重庆邮电大学移通学院 重庆邮电大学移通学院 自动化系 陈龙灿 * 第四章 ARM嵌入式处理器的体系结构 ARM中断处理 3 ARM处理器指令系统 5 ARM处理器工作模式 3 2 ARM系统启动过程 3 4 S3C44B0X简介 3 6 ARM体系结构版本 1 Text Text Text Text Text Cycle name Add Your Text Title ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. Title ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. Title ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. Add Your Text Add Your Text Add Your Text Add Your Text Add your text Add your text Add your text Add your text Add your text Your Slogan here Title Add your text Title Add your text Title Add your text Title Add your text Concept Add Your Text Text Text Text Text Text Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Title Add Your Text Add Your Text Add Your Text Text Text Text Add Your Title Text Text Text Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Add Your Text Text 1 ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. 3 ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. 2 ThemeGallery is a Design Digital Content Contents mall developed by Guild Design Inc. Your Text Your Text Your Text Your Text Your Text Your Text Your Text Your Text 2001 2002 2003 2004 Phase 1 Phase 2 Phase 3 Text1 Text2 Text3 Text4 Text5 Text6 ARM 重庆邮电大学移通学院