Controller Clocking

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 English

The controller supports a range of clock frequencies including the popular 25, 50, 100, and 200 MHz.

Frequencies above 25 MHz automatically switch to use the DLL clock generator, however the minimum DLL clock frequency is 33 MHz. Controller frequencies between 25 and 33 MHz are not supported.