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JJin01's avatar
JJin01
Icon for New Contributor rankNew Contributor
7 years ago

set_clock_group constraints question!! plz help..

I have clocks, one of which is a ripple clock. I don't know how to set_clock_group this. Details are shown in the picture. If you look at the picture, there are a_clock and b,c,d,e. a_clock is the...
KhaiChein_Y_Intel's avatar
KhaiChein_Y_Intel
Icon for Regular Contributor rankRegular Contributor
7 years ago

Hi,

You can use set_clock_groups with either [-asynchronous] or [-exclusive]. Asynchronous clocks (-asynchronous) are completely unrelated: they have different ideal clock sources. Exclusive clocks (-exclusive) are not active at the same time, such as multiplexed clocks.

Thanks.