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fix timing

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This commit is contained in:
Markus Fröschle
2016-01-16 21:38:17 +00:00
parent 0fe61bedef
commit 7bf4d912a0
7 changed files with 232 additions and 169 deletions
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42
FPGA_Quartus_13.1/firebee_groups.sdc
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@@ -90,6 +90,9 @@ create_clock -name {MAIN_CLK} -period 30.303 -waveform { 0.000 15.151 } [get_por
#**************************************************************
derive_pll_clocks
create_generated_clock -divide_by 2 -source MAIN_CLK i_video|i_video_mod_mux_clutctr|CLK17M_q
create_generated_clock -divide_by 2 -source i_mfp_acia_clk_pll|altpll_component|auto_generated|pll1|clk[2] i_video|i_video_mod_mux_clutctr|CLK13M_q
# PIXEL_CLK is either
# CLK13M, CLK17M, CLK25M, CLK33M or CLK_VIDEO
@@ -109,8 +112,8 @@ derive_pll_clocks
# Set Clock Uncertainty
#**************************************************************
set_clock_uncertainty -rise_from [get_clocks {MAIN_CLK}] -rise_to [get_clocks {MAIN_CLK}] 2.0
set_clock_uncertainty -rise_from [get_clocks {MAIN_CLK}] -fall_to [get_clocks {MAIN_CLK}] 2.0
set_clock_uncertainty -rise_from [get_clocks {MAIN_CLK}] -rise_to [get_clocks {MAIN_CLK}] 0.5
set_clock_uncertainty -rise_from [get_clocks {MAIN_CLK}] -fall_to [get_clocks {MAIN_CLK}] 0.5
derive_clock_uncertainty
@@ -133,38 +136,43 @@ set_output_delay -add_delay -clock [get_clocks {MAIN_CLK}] -min 0.500 [all_outpu
#**************************************************************
# Set Clock Groups
#**************************************************************
set_clock_groups -asynchronous -group [get_clocks {MAIN_CLK}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[4]}] \
-group [get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[1]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[2]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[3]}] \
-group [get_clocks {i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[1]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[2]}] \
[get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[3]}] \
-group [get_clocks {i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] \
-group [get_clocks {i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[1]}] \
-group [get_clocks {i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[2]}] \
-group [get_clocks {i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[3]}] \
-group [get_clocks {i_mfp_acia_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] \
-group [get_clocks {i_mfp_acia_clk_pll|altpll_component|auto_generated|pll1|clk[1]}] \
-group [get_clocks {i_mfp_acia_clk_pll|altpll_component|auto_generated|pll1|clk[2]}] \
-group [get_clocks {i_video_clk_pll|altpll_component|auto_generated|pll1|clk[0]}]
-group [get_clocks {i_video_clk_pll|altpll_component|auto_generated|pll1|clk[0]}] \
-group [get_clocks {video:i_video|video_mod_mux_clutctr:i_video_mod_mux_clutctr|CLK17M_q}] \
-group [get_clocks {video:i_video|video_mod_mux_clutctr:i_video_mod_mux_clutctr|CLK13M_q}]
#**************************************************************
# Set False Path
#**************************************************************
set_false_path -from [get_keepers {*rdptr_g*}] -to [get_keepers {*ws_dgrp|dffpipe_id9:dffpipe17|dffe18a*}]
set_false_path -from [get_keepers {*delayed_wrptr_g*}] -to [get_keepers {*rs_dgwp|dffpipe_hd9:dffpipe12|dffe13a*}]
set_false_path -from [get_keepers {*rdptr_g*}] -to [get_keepers {*ws_dgrp|dffpipe_kd9:dffpipe15|dffe16a*}]
set_false_path -from [get_keepers {*delayed_wrptr_g*}] -to [get_keepers {*rs_dgwp|dffpipe_jd9:dffpipe12|dffe13a*}]
set_false_path -from [get_keepers {*rdptr_g*}] -to [get_keepers {*ws_dgrp|dffpipe_re9:dffpipe19|dffe20a*}]
#**************************************************************
# Set Multicycle Path
#**************************************************************
set_multicycle_path -start -from [get_clocks {MAIN_CLK}] -to [get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[4]}] 2
#set_multicycle_path -start -from video:i_video|video_mod_mux_clutctr:i_video_mod_mux_clutctr|CLK17M_q -to i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[0] 2
#set_multicycle_path -start -from video:i_video|video_mod_mux_clutctr:i_video_mod_mux_clutctr|CLK13M_q -to i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[0] 2
#set_multicycle_path -end -from video:i_video|video_mod_mux_clutctr:i_video_mod_mux_clutctr|CLK13M_q -to MAIN_CLK 2
#set_multicycle_path -start -from MAIN_CLK -to i_video_clk_pll|altpll_component|auto_generated|pll1|clk[0] 2
#set_multicycle_path -start -from MAIN_CLK -to i_mfp_acia_clk_pll|altpll_component|auto_generated|pll1|clk[1] 2
#set_multicycle_path -start -from MAIN_CLK -to i_atari_clk_pll|altpll_component|auto_generated|pll1|clk[0] 2
# set_multicycle_path -start -from [get_clocks {MAIN_CLK}] -to [get_clocks {i_ddr_clk_pll|altpll_component|auto_generated|pll1|clk[4]}] 2
#**************************************************************
# Set Maximum Delay