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余少华

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[问答]

使用u*** jtag电缆进行jtagging时出错


在进行以前的帖子,答案和服务包之前,经过详细的搜索,研究和RnD,我无法解决这个jtag问题。
任何遇到此问题的人都可以告诉解决方案。
我收到IDCODE不匹配错误。
信息:iMPACT  - 当前时间:2010年12月26日16:46:41 // *** BATCH CMD:程序-p 1 PROGRESS_START  - 启动Operation.INFO:iMPACT:583  - '1':从设备读取的idcode确实
与bsdl中的idcode不匹配File.INFO:iMPACT:1578  - '1':设备IDCODE:00000000000000000000000000000000INFO:iMPACT:1579  - '1':预期IDCODE:00000011100001000000000010010011PROGRESS_END  - 结束操作。已用时间= 0秒。
谢谢

以上来自于谷歌翻译


以下为原文

hi,
    Before getting to previous posts, answers and Service packs, after eloborate search,study and RnD, i couldnt solve this jtag issue. can anyone who encountered this issue tell the solution of this. i am getting IDCODE mismatch error.

INFO:iMPACT - Current time: Sun Dec 26 16:46:41 2010
// *** BATCH CMD : Program -p 1
PROGRESS_START - Starting Operation.
INFO:iMPACT:583 - '1': The idcode read from the device does not match the idcode in the bsdl File.
INFO:iMPACT:1578 - '1':  Device IDCODE :        00000000000000000000000000000000
INFO:iMPACT:1579 - '1': Expected IDCODE:    00000011100001000000000010010011
PROGRESS_END - End Operation.
Elapsed time =      0 sec.

thanks

回帖(2)

李森

2019-5-28 07:45:44
读取的idcode全为零。
这可能意味着您的电缆连接不良,最后一个设备和电缆之间的链断开,或者TCK连接断开。是时候退出示波器并查看了。
------您是否尝试在Google中输入问题?
如果没有,你应该在发布之前。太多结果?
尝试添加网站:www.xilinx.com

以上来自于谷歌翻译


以下为原文

The idcode that was read is all zeros.  This likely means that your cable connection is bad, the chain is broken between the last device and the cable, or the TCK connection is broken.

It's time to get out the scope and take a look.------Have you tried typing your question into Google?  If not you should before posting.
Too many results?  Try adding site:www.xilinx.com
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马丽

2019-5-28 07:59:09
检查电路板上的INIT_B或PROG_B引脚,它们中的任何一个(或两者)是否接地?
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--------不要忘记回复,kudo,并接受为解决方案.----------------------------
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以上来自于谷歌翻译


以下为原文

Check the INIT_B or PROG_B pin on your board, is any of them (or both) grounded?------------------------------------------------------------------------------------------------------------
Don't forget to reply, kudo, and accept as solution.
---------------------------------------------------------------------------------------------------------
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