| ############################################################################### |
| # Created by write_sdc |
| # Thu Nov 11 05:33:42 2021 |
| ############################################################################### |
| current_design pinmux |
| ############################################################################### |
| # Timing Constraints |
| ############################################################################### |
| create_clock -name mclk -period 10.0000 [get_ports {mclk}] |
| set_propagated_clock [get_clocks {mclk}] |
| set_clock_uncertainty -rise_from [get_clocks {mclk}] -rise_to [get_clocks {mclk}] -setup 0.2500 |
| set_clock_uncertainty -rise_from [get_clocks {mclk}] -fall_to [get_clocks {mclk}] -setup 0.2500 |
| set_clock_uncertainty -fall_from [get_clocks {mclk}] -rise_to [get_clocks {mclk}] -setup 0.2500 |
| set_clock_uncertainty -fall_from [get_clocks {mclk}] -fall_to [get_clocks {mclk}] -setup 0.2500 |
| |
| set_clock_uncertainty -rise_from [get_clocks {mclk}] -rise_to [get_clocks {mclk}] -hold 0.2500 |
| set_clock_uncertainty -rise_from [get_clocks {mclk}] -fall_to [get_clocks {mclk}] -hold 0.2500 |
| set_clock_uncertainty -fall_from [get_clocks {mclk}] -rise_to [get_clocks {mclk}] -hold 0.2500 |
| set_clock_uncertainty -fall_from [get_clocks {mclk}] -fall_to [get_clocks {mclk}] -hold 0.2500 |
| |
| set ::env(SYNTH_TIMING_DERATE) 0.05 |
| puts "\[INFO\]: Setting timing derate to: [expr {$::env(SYNTH_TIMING_DERATE) * 10}] %" |
| set_timing_derate -early [expr {1-$::env(SYNTH_TIMING_DERATE)}] |
| set_timing_derate -late [expr {1+$::env(SYNTH_TIMING_DERATE)}] |
| |
| ### ClkSkew Adjust |
| set_case_analysis 0 [get_ports {cfg_cska_pinmux[0]}] |
| set_case_analysis 0 [get_ports {cfg_cska_pinmux[1]}] |
| set_case_analysis 0 [get_ports {cfg_cska_pinmux[2]}] |
| set_case_analysis 0 [get_ports {cfg_cska_pinmux[3]}] |
| |
| |
| set_max_delay 3.5 -from [get_ports {wbd_clk_int}] |
| set_max_delay 2 -to [get_ports {wbd_clk_pinmux}] |
| set_max_delay 3.5 -from wbd_clk_int -to wbd_clk_pinmux |
| |
| set_input_delay 2.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {h_reset_n}] |
| |
| set_input_delay -max 6.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_addr[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_be[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_cs}] |
| set_input_delay -max 6.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_wdata[*]}] |
| set_input_delay -max 6.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_wr}] |
| |
| set_input_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_addr[*]}] |
| set_input_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_be[*]}] |
| set_input_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_cs}] |
| set_input_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_wdata[*]}] |
| set_input_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_wr}] |
| |
| |
| set_output_delay -max 4.5000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_ack}] |
| set_output_delay -max 4.5000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_rdata[*]}] |
| |
| set_output_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_ack}] |
| set_output_delay -min 1.0000 -clock [get_clocks {mclk}] -add_delay [get_ports {reg_rdata[*]}] |
| ############################################################################### |
| # Environment |
| ############################################################################### |
| set_driving_cell -lib_cell sky130_fd_sc_hd__inv_8 -pin $::env(SYNTH_DRIVING_CELL_PIN) [all_inputs] |
| set cap_load [expr $::env(SYNTH_CAP_LOAD) / 1000.0] |
| puts "\[INFO\]: Setting load to: $cap_load" |
| set_load $cap_load [all_outputs] |
| ############################################################################### |
| # Design Rules |
| ############################################################################### |
