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F28335 itrap0导致进入非法中断ILLEGAL_ISR



你好

  现在调试板子28335遇到问题,调用函数T_adc_Cslow(),运行到GPIO语句之前没问题,运行之后就发生itrap0 错误,如图所示,左边汇编,右边c语言。。。

运行前:

运行后:

cmd文件的地址没有重叠  程序放到外部ram(256Kx16bit)中(使用zone6 有效地址0x100000-0x140000)运行    请问下 可能是什么原因呢   map文件和cmd文件如下

28335MAP和cmd文件.rar