AR# 45560

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13.x/14.x iMPACT - Verify fails with "INFO:iMPACT:395 - The number of difference is -1"

描述

When carrying out a Verify on a Spartan-6 FPGA in a chain with multiple devices I see messages similar to:


'4': Verifying device...INFO:iMPACT:2495 - Readback Size is 19623184.
INFO:iMPACT:396 - Readback to map unsuccessful.
INFO:iMPACT:395 - The number of difference is -1
'4': Verification terminated.
done.
LCK_cycle = NoWait.
LCK cycle: NoWait
'4': Programming terminated due to errors.


My device is programmed correctly and DONE has gone high. Why do I see these messages?

解决方案

This is a known issue with iMPACT. If DONE has gone high, you can ignore these messages. This issue will be resolved in a future version of the tools.

链接问答记录

主要问答记录

Answer Number 问答标题 问题版本 已解决问题的版本
47890 14.x iMPACT - Known Issues for the iMPACT 14.x tools N/A N/A
40503 13.x iMPACT - Known Issues for the iMPACT 13.x Software N/A N/A

相关答复记录

Answer Number 问答标题 问题版本 已解决问题的版本
40503 13.x iMPACT - Known Issues for the iMPACT 13.x Software N/A N/A
AR# 45560
日期 12/15/2012
状态 Active
Type 综合文章
器件
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