AR# 38041: 7.1i CPLDFit - The timespec on a clock divider output is not automatically adjusted
AR# 38041
7.1i CPLDFit - The timespec on a clock divider output is not automatically adjusted
描述
The timespec on a clock divider output is not automatically adjusted.
解决方案
The Clock Divider in the CoolRunner-II device can divide by 2, 4, 6, 8, 10, 12, 14 or 16. The tools do not automatically adjust the period constraint to account for this. Therefore, if you are using the Clock Divider, you need to constraint for the output frequency of the Clock Divider.