Forum Discussion
ZhiqiangLiang
Occasional Contributor
1 year agoConnect 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...
WZ2
Frequent Contributor
1 year agoHi 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