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ZhiqiangLiang's avatar
ZhiqiangLiang
Icon for Occasional Contributor rankOccasional Contributor
7 months ago

Connect inclk of PLL to output port of alt_inbuf

Hi, I would like to connect crystal oscillator to a general IO pin(e.g. E1) and then use the alt_inbuf to convert the input clock to inclk of PLL. Please see my verilog code followed. I am exper...
Fpga Devkit
WZ2's avatar
WZ2
Icon for Frequent Contributor rankFrequent Contributor
7 months ago

Hi there,

In general, we do not recommend using GPIO pins as clock inputs. You can refer to the pin-out file to select pins that include the clk_in function.

Best regards.

WZ