Hi, there:
Assume my chip uses the CLK180 and CLK90 at same time, does it mean CLK180 & CLK90 uses the same global clock tree? Or, do I need to instantiate a BUFG for each of them?
Best Regards, Kelvin
- posted
20 years ago
Hi, there:
Assume my chip uses the CLK180 and CLK90 at same time, does it mean CLK180 & CLK90 uses the same global clock tree? Or, do I need to instantiate a BUFG for each of them?
Best Regards, Kelvin
Kevin,
Yopu need a separate BUFG for each. All BUFG resources are matched, so that the skew specs apply at the end of a BUFG, not at the output of the DCM.
Aust> Hi, there:
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