adv7513/de10nano: Define the USB clock

2020-10-27 10:48:08 +00:00 · 2020-10-27 10:48:08 +00:00 · d676cfd64f
parent c048a9243a
commit d676cfd64f
1 changed files with 1 additions and 0 deletions
--- a/projects/adv7513/de10nano/system_constr.sdc
+++ b/projects/adv7513/de10nano/system_constr.sdc
@ -1,5 +1,6 @@

 create_clock -period "20.000 ns"  -name sys_clk_50mhz      [get_ports {sys_clk}]
+create_clock -period "16.666 ns"  -name usb_clk_60mhz      [get_ports {usb1_clk}]

 derive_pll_clocks
 derive_clock_uncertainty