reconfig_clk0. The range of the frequency? - reconfig_clk0. The range of the frequency? Hello. I use Transceiver Toolkit(TTK). I input a clock into reconfig_clk0, but want to know the range of the frequency. Quartus Prime Pro 18.1 Cyclone10GX Sincerely, Replies: Re: reconfig_clk0. The range of the frequency? I found an answer in ”UG-20070 Intel Cyclone 10 GX Transceiver PHY User Guide”. reconfig_clk Input Avalon® clock. The clock frequency is 100-125 MHz. Thank you.