mirror of
https://github.com/olofk/serv.git
synced 2025-04-22 04:47:16 -04:00
8 lines
286 B
Tcl
8 lines
286 B
Tcl
# Main system clock (50 Mhz)
|
|
create_clock -name "clk" -period 20.000ns [get_ports {i_clk}]
|
|
|
|
# Automatically constrain PLL and other generated clocks
|
|
derive_pll_clocks -create_base_clocks
|
|
|
|
# Automatically calculate clock uncertainty to jitter and other effects.
|
|
derive_clock_uncertainty
|