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54 lines
2.2 KiB
Plaintext
54 lines
2.2 KiB
Plaintext
################################################################################
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# IO constraints
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################################################################################
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# serial:0.tx
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set_property LOC J18 [get_ports {serial_tx}]
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set_property IOSTANDARD LVCMOS33 [get_ports {serial_tx}]
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# serial:0.rx
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set_property LOC J17 [get_ports {serial_rx}]
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set_property IOSTANDARD LVCMOS33 [get_ports {serial_rx}]
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# clk12:0
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set_property LOC L17 [get_ports {clk12}]
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set_property IOSTANDARD LVCMOS33 [get_ports {clk12}]
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# user_led:0
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set_property LOC A17 [get_ports {user_led0}]
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set_property IOSTANDARD LVCMOS33 [get_ports {user_led0}]
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# user_led:1
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set_property LOC C16 [get_ports {user_led1}]
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set_property IOSTANDARD LVCMOS33 [get_ports {user_led1}]
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# user_btn:0
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set_property LOC A18 [get_ports {user_btn0}]
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set_property IOSTANDARD LVCMOS33 [get_ports {user_btn0}]
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# user_btn:1
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set_property LOC B18 [get_ports {user_btn1}]
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set_property IOSTANDARD LVCMOS33 [get_ports {user_btn1}]
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################################################################################
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# Design constraints
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################################################################################
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################################################################################
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# Clock constraints
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################################################################################
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create_clock -name clk12 -period 83.333 [get_ports clk12]
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set_clock_groups -group [get_clocks -include_generated_clocks -of [get_nets sys_clk]] -group [get_clocks -include_generated_clocks -of [get_nets crg_clkin]] -asynchronous
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################################################################################
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# False path constraints
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################################################################################
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set_false_path -quiet -through [get_nets -hierarchical -filter {mr_ff == TRUE}]
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set_false_path -quiet -to [get_pins -filter {REF_PIN_NAME == PRE} -of_objects [get_cells -hierarchical -filter {ars_ff1 == TRUE || ars_ff2 == TRUE}]]
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set_max_delay 2 -quiet -from [get_pins -filter {REF_PIN_NAME == C} -of_objects [get_cells -hierarchical -filter {ars_ff1 == TRUE}]] -to [get_pins -filter {REF_PIN_NAME == D} -of_objects [get_cells -hierarchical -filter {ars_ff2 == TRUE}]] |