set_property PACKAGE_PIN P5 [get_ports {I[0]}]
set_property PACKAGE_PIN P4 [get_ports {I[1]}]
set_property PACKAGE_PIN P3 [get_ports {I[2]}]
set_property PACKAGE_PIN P2 [get_ports {I[3]}]
set_property PACKAGE_PIN R2 [get_ports {S[1]}]
set_property PACKAGE_PIN M4 [get_ports {S[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {I[3]}]
set_property IOSTANDARD LVCMOS33 [get_ports {I[2]}]
set_property IOSTANDARD LVCMOS33 [get_ports {I[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {I[0]}]
set_property IOSTANDARD LVCMOS33 [get_ports {S[1]}]
set_property IOSTANDARD LVCMOS33 [get_ports {S[0]}]
set_property PACKAGE_PIN F6 [get_ports Y]
set_property IOSTANDARD LVCMOS33 [get_ports Y]