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6416对EMIFB空间进行访问时仿真器自动断开,求解答



自己做的6416T的板子,当对EMIFB的地址空间如0x64000000进行读或者写的访问时,仿真器自动断开并给出如下提示

具体过程就是load 之后,点击run,程序就halt住了,然后点击halt就出现如下提示

Trouble Halting Target CPU:
Error 0x00000020/-1151
Error during: Execution,
Processor communication timeout.
It is recommended to RESET EMULATOR. This will disconnect each target,
perform an emulation reset, and then reconnect each target.
Power cycle the target board before continuing.


Sequence ID: 15
Error Code: -1151
Error Class: 0x00000020

共做了两块板子,一块没有问题可以自由访问外挂的flash。EMIFB的时钟选择的事外接的50Mhz,cpu时钟也是50MHz,在访问的时候,用示波器检查EMIFBCLKOUT,显示时钟位50Mhz。开发环境为CCS3.3