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本帖最后由 gongfugod 于 2011-12-20 16:05 编辑
DRC-T> set_drc /data1/tghv/DFT/tg_post.spf
DRC-T> run_drc
------------------------------------------------------------------------------
Begin scan design rules checking...
------------------------------------------------------------------------------
Begin reading test protocol file /data1/tghv/DFT/tg_post.spf...
Warning: Rule V16 (miscounted arguments) was violated 11 times.
End parsing STIL file /data1/tghv/DFT/tg_post.spf with 0 errors.
Test protocol file reading completed, CPU time=0.01 sec.
------------------------------------------------------------------------------
Begin simulating test protocol procedures...
Test protocol simulation completed, CPU time=-0.00 sec.
------------------------------------------------------------------------------
Begin scan chain operation checking...
Error: Chain 1 blocked at TIEX gate U6274 (538) after tracing 0 cells. (S1-1)
Error: Design rules checking failed: cannot exit DRC command mode. (M100)
通过DV查看网表,发现 U6274 是个clkbufx8 后面连接的就是我定义的SCANDATAOUT 扫描链的输出。
buffer的前面是连了一个MUX,由于不是寄存器直接输出的。 不知道为什么出错?请大牛 指导 |
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