leeguoxian
Joined: 20 Jun 2006
Posts: 61
Helped: 3
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 26 Jul 2006 10:14 Question on SPF file . |
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Dear All :
Generally in the spf file generated by DFT , the capture procedure look like this :
"capture_clk" {
W "_defalut_WFT_";
F { "test_mode" = 1 ; }
"force PI" : V {"_pi"=\r80 # ; }
"measure PO" : V {"_po"=\r81 # ; }
"pulse" : V { "clk" = P ; }
}
Question 1 : Because each "V" means a cycle, there are 3 cycle for capture_clk,
But I think 1 cycle is enough. Can I change it like this ?
"capture_clk"{
W "_default_WFT_";
F { "test_mode"=1; }
"pulse": V {"_pi"=\r80 #; "_po"=\r81 #; "clk"=P; }
}
Question 2 : I checked out the design.pis (Primary Input File) generated by TetraMax, and found out that the scan_enable signal is not always 0 .
It could be 1, Z , 0 in the design.pis. But I think the scan_enable signal should
always be 0 , except for the test_setup macro . Am I right ?
Best wishes
gxli
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