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仿真器连接不上目标板:Error 0x80000242/-1143,求大师指点

Error connecting to the target:
Error 0x80000242/-1143
Fatal Error during: Memory, Initialization, OCS,
The memory at 0x00000812 continually indicated it was 'not ready'
All memory operations currently in progress were aborted in order
to regain control of the processor.
This is considered a catastrophic event, but the debugger should
still be able to access memory and CPU registers.
System state has been altered.  It is strongly advised
that the processor should be reset before resuming execution,

  • 你好,

    请问用的是哪款芯片? 是自己的板子还是TI的板子? CCS版本号以及仿真器型号?

  • 您好,我用的是5509a的型号,CCS是3.3的,仿真器是XDS510,上面的问题解决了,但是有新的问题。就是仿真器有时能连上,有时连上的一瞬间又失败了,提示:Trouble Reading Memory Block at 0x903 on Page 0 of Length 0x300: Error 0x00000002/-1146 Error during: Memory,  Invalid data was scanned by the emulation controller. Verify the board setup to make sure the scan chain is properly defined. If the setup is correct, then RESET EMULATOR.  This will disconnect each  target from the emulator.  The targets should then be power cycled or hard reset followed by an emureset and reconnect to each target.   Sequence ID: 65 Error Code: -1146 Error Class: 0x00000002。有时能够加载,有时加载又失败,提示和上面是一样的。真心搞不懂啊。

    另外仿真器和dsp板子都是抄别人的板子,自己做的。自己做的仿真器连接人家的dsp板子,就很稳定;而且自己做的dsp板子连接人家的仿真器,也很稳定。但就是自己做的dsp板子和自己做的仿真器连接就不稳定。根据上面的错误提示,是什么原因啊!

  • XDS510仿真器你是自己做的? 你是TI的第三方公司吗? "人家的板子, 人家的仿真器"是指哪家公司?

  • 您别误会,我只是用来做教学用的

  • 呵呵, 只是比较好奇, 所以问一下, 一般只有TI的第三方公司会做XDS510/XDS560仿真器, 那个EPK是不对外开放的.

    还是回到你的问题, 你做的仿真器那块是否有问题我不确定.

    在DSP这块, 首先可以检查一下CLKOUT是否有稳定的时钟输出? 电源文波要在手册范围内. 再有检查一些焊接问题.

    JTAG口这块的连接可以参考下面的wiki网站, JTAG口和JTAG header超过6inch, 需要加buffer增加驱动能力.
    http://processors.wiki.ti.com/index.php/XDS_Target_Connection_Guide

  • 谢谢了,也许是我布线有问题,我打算重新布一下。

  • 我现在遇到了和你同样的问题,我想请教下你的这个问题是怎么解决的?谢谢啦