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Dimitris Lampridis authored
Every clock management block in Spartan-6 has 2xDCM and 1xPLL. PLLs are therefore a scarcer resource and should be preserved for user applications whenever possible. In this case, it is very much possible to generate the necessary clocks via DCMs. Furthermore, we expose the unused CLKFX output of one of the DCMs (along with a generic to configure the multiplication/division factors), in case it can be used by the user application.
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