3.6
3.7
3.8
3.9
3.5.8系统控制指令······················································································59
3.5.9短格式指令·························································································62
操作模式··················································································································62
3.6.1最小模式········································································································62
3.6.2最大模式········································································································63
基本操作时序····································································································63
3.7.1概述···················································································································63
3.7.2片上存储器的存取周期···············································································64
在片上存储器访问3.7.3引脚状态·····························································65
3.7.4寄存器字段的访问周期（地址H'FF80至H'FFFF ） ································· 66 ··
在注册现场访问（地址H'FF80至H'FFFF ） ················· 67 3.7.5引脚状态
3.7.6外部访问周期·······························································································68
CPU的国家···························································································································69
3.8.1概述···················································································································69
3.8.2程序执行状态···························································································71
3.8.3异常处理状态·························································································71
3.8.4总线释放状态····································································································72
3.8.5复位状态·················································································································77
3.8.6掉电状态····································································································77
编程注意事项·············································································································78
3.9.1限制的地址位置···············································································78
3.9.2注意事项MULXU Instruction·····················································································79
第4节异常处理
4.1
概观······························································································································81
4.1.1类型异常处理和它们的优先级······················································81
4.1.2硬件异常处理·································································82
4.1.3异常因素和矢量表··········································································82
重置····································································································································85
4.2.1概述···················································································································85
4.2.2复位顺序·········································································································85
4.2.3堆栈指针初始化························································································86
地址错误·······················································································································89
4.3.1非法指令预取························································································89
4.3.2字数据访问的地址奇···········································································89
在单芯片模式4.3.3片外地址访问·······················································89
跟踪····································································································································90
中断······························································································································90
无效的指令················································································································92
陷阱指令和零鸿沟·······················································································92
在这异常处理案件被推迟·································································92
4.2
4.3
4.4
4.5
4.6
4.7
4.8
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