Sep 28, 2005 #1 G googlegzh Newbie level 6 Joined Mar 5, 2005 Messages 11 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,358 virtual clock sdc 3X
Sep 29, 2005 #2 J jjww110 Full Member level 5 Joined Apr 19, 2005 Messages 255 Helped 8 Reputation 16 Reaction score 2 Trophy points 1,298 Location china Activity points 2,920 sdc virtual clock virtual clock is not a real clock, ti is used to constrain design
Sep 29, 2005 #3 N no_mad Full Member level 5 Joined Dec 10, 2004 Messages 271 Helped 30 Reputation 60 Reaction score 11 Trophy points 1,298 Location Naboo Activity points 2,489 dc virtual clock Hi Please check this post: Hope this helps
Oct 3, 2005 #4 F funzero Full Member level 4 Joined Nov 19, 2004 Messages 198 Helped 13 Reputation 26 Reaction score 5 Trophy points 1,298 Activity points 1,304 constraint virtual clock dc use virtual clock to constraint combinational logic . it has no souce , just an ideal clock waveform . In my opinion, it can be replaced by set_max_delay
constraint virtual clock dc use virtual clock to constraint combinational logic . it has no souce , just an ideal clock waveform . In my opinion, it can be replaced by set_max_delay
Oct 6, 2005 #5 S sameer_dlh25 Advanced Member level 4 Joined Sep 21, 2005 Messages 105 Helped 15 Reputation 30 Reaction score 3 Trophy points 1,298 Location San Jose Activity points 1,882 dcä¸virtual clock的应用 Virtual clock is used to constraint I/O in much better then max delay. In a SDC it can be defined as a clock waveform which is not associated with any port. create_clock -name "clk_virtual" - period 10 -waveform {0 5} I think most of the industry tools understand SDC:!:
dcä¸virtual clock的应用 Virtual clock is used to constraint I/O in much better then max delay. In a SDC it can be defined as a clock waveform which is not associated with any port. create_clock -name "clk_virtual" - period 10 -waveform {0 5} I think most of the industry tools understand SDC:!:
Oct 17, 2005 #6 O oxford Member level 2 Joined Apr 30, 2004 Messages 47 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 312 virtual clock the discuss above is good, thanks everyone.