[问]：使用AN750仿真器仿真BF533时，链接提示如下，请问是什么原因？
 Core fault detected before halt at address: 0xFFFFFFFF.  Attempting to reset processor.
 Core fault detected before halt at address: 0xFFFFFFFF.
 Unable to halt processor, JTAG communication failed.  Possible error at address: 0xFFFFFFFF.
 Core fault detected before halt at address: 0xFFFFFFFF.  Attempting to reset processor.
 Core fault detected before halt at address: 0xFFFFFFFF.
 Unable to halt processor, JTAG communication failed.  Possible error at address: 0xFFFFFFFF.
 Could not halt after reset            

[答]：是您目标板的问题