set_property PACKAGE_PIN V7 [get_ports {leds_4bits_tri_o[0]}]
set_property IOSTANDARD LVCMOS18 [get_ports {leds_4bits_tri_o[0]}]
set_property PACKAGE_PIN W10 [get_ports {leds_4bits_tri_o[1]}]
set_property IOSTANDARD LVCMOS18 [get_ports {leds_4bits_tri_o[1]}]
set_property PACKAGE_PIN P18 [get_ports {leds_4bits_tri_o[2]}]
set_property IOSTANDARD LVCMOS18 [get_ports {leds_4bits_tri_o[2]}]
set_property PACKAGE_PIN P17 [get_ports {leds_4bits_tri_o[3]}]
set_property IOSTANDARD LVCMOS18 [get_ports {leds_4bits_tri_o[3]}]