Archived
43 lines
2.2 KiB
Plaintext
43 lines
2.2 KiB
Plaintext
<: set ComponentName [getComponentNameString] :>
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<: setOutputDirectory "./" :>
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<: setFileName [ttcl_add $ComponentName "_constr"] :>
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<: setFileExtension ".xdc" :>
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<: setFileProcessingOrder late :>
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<: set async_clock [getBooleanValue "ASYNC_CLK_EN"] :>
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## False path definitions for ASYNC mode
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<: if { $async_clock } { :>
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set_property ASYNC_REG TRUE \
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[get_cells -hier {*cdc_sync_stage1_reg*}] \
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[get_cells -hier {*cdc_sync_stage2_reg*}]
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set_false_path -from [get_cells -hierarchical * -filter {NAME=~*i_pulse_period_sync/cdc_hold_reg*}] \
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-to [get_cells -hierarchical * -filter {NAME=~*i_pulse_period_sync/out_data_reg*}] \
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set_false_path -from [get_cells -hierarchical * -filter {NAME=~*i_pulse_width_sync/cdc_hold_reg*}] \
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-to [get_cells -hierarchical * -filter {NAME=~*i_pulse_width_sync/out_data_reg*}] \
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_pulse_period_sync/out_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_pulse_period_sync/i_sync_in/cdc_sync_stage1_reg[0]/D}]
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_pulse_period_sync/in_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_pulse_period_sync/i_sync_out/cdc_sync_stage1_reg[0]/D}]
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_pulse_width_sync/out_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_pulse_width_sync/i_sync_in/cdc_sync_stage1_reg[0]/D}]
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_pulse_width_sync/in_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_pulse_width_sync/i_sync_out/cdc_sync_stage1_reg[0]/D}]
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_load_config_sync/out_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_load_config_sync/i_sync_in/cdc_sync_stage1_reg[0]/D}]
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set_false_path \
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-from [get_pins -hierarchical * -filter {NAME=~*i_load_config_sync/in_toggle_d1_reg/C}] \
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-to [get_pins -hierarchical * -filter {NAME=~*i_load_config_sync/i_sync_out/cdc_sync_stage1_reg[0]/D}]
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<: } :>
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