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2.3.1.2. FPGA-to-HPS Clocks Source
Turning on the Enable FPGA-to-HPS free clock option enables the f2h_free_clk clock input. This is an alternative input to the main HPS PLL driven from the FPGA fabric instead of the dedicated hps_osc_clk pin. Turning on the Enable FPGA-to-HPS free clock option is subject to the same requirements as that pin.
Figure 14. Platform Designer FPGA-to-HPS Clocks Source Sub-Window
For more information about the requirements for this clock, refer to the Intel® Agilex™ Device Data Sheet.
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