求助：iMPACT下载错误：verifying device...Failed at address
烧写FPGA成功，但烧写PROM失败，显示：verifying device...Failed at address, 8768'1' : verfication terminated
请达人解惑，谢谢 本帖最后由 sunliezhi 于 2012-7-10 19:00 编辑
校验失败，终止。
多下几次试试。 sunliezhi 发表于 2012-7-10 18:59 static/image/common/back.gif
校验失败，终止。
你好！这个问题如何解决？
是硬件问题？
谢谢 有可能是硬件问题，没弄过那个，不敢乱说。 检查JTAG链是否太长，供电纹波 我也遇到这个问题了，也想问问
提示如下：
INFO:iMPACT - Current time: ������ ����PROGRESS_START - Starting Operation.
'3': Putting device in ISP mode...done.
Maximum TCK operating frequency for this device chain: 15000000.
Validating chain...
Boundary-scan chain validated successfully.
2: Device Temperature: Current Reading: -273.00 C
2: VCCINT Supply: Current Reading: 0.000 V
2: VCCAUX Supply: Current Reading: 0.000 V
4: Device Temperature: Current Reading: -273.00 C
4: VCCINT Supply: Current Reading: 0.000 V
4: VCCAUX Supply: Current Reading: 0.000 V
'3': Erasing device...
'3': Erasure completed successfully.
'3': Putting device in ISP mode...done.
'3': Putting device in ISP mode...done.
done.
'3': Putting device in ISP mode...done.
'3': Putting device in ISP mode...done.
'3': Putting device in ISP mode...done.
'3': Putting device in ISP mode...done.
'3': Programming revision selection to 0.
done.
'3': Putting device in ISP mode...done.
done.
done.
'3': Putting device in ISP mode...done.
'3': Putting device in ISP mode...done.
'3': Verifying device...
Failed at address, 0'3': Verification Terminated
'3': Putting device in ISP mode...done.
done.
'3': Putting device in ISP mode...done.
'3': Programming completed successfully.
'3': Programming completed successfully.
PROGRESS_END - End Operation.
Elapsed time = 45 sec.
在下载50%出现programfailed。不知为什么。我下载很多次都是这样失败的。
板子上两个V5 FPGA和两个prom组成的从串模式。
其中一个V5可以下载prom，而另一个出现上述提示，
但是另一块同样的板，没有此问题。
请大侠能分析一下是什么原因？谢谢。
页:
[1]