create_clock -period 10.000 -name clk [get_ports clk]

set_property PACKAGE_PIN W5  [get_ports clk]

set_property PACKAGE_PIN B18 [get_ports rx]
set_property PACKAGE_PIN A18 [get_ports tx]

set_property PACKAGE_PIN V17 [get_ports sw[ 0]]
set_property PACKAGE_PIN V16 [get_ports sw[ 1]]
set_property PACKAGE_PIN W16 [get_ports sw[ 2]]
set_property PACKAGE_PIN W17 [get_ports sw[ 3]]
set_property PACKAGE_PIN W15 [get_ports sw[ 4]]
set_property PACKAGE_PIN V15 [get_ports sw[ 5]]
set_property PACKAGE_PIN W14 [get_ports sw[ 6]]
set_property PACKAGE_PIN W13 [get_ports sw[ 7]]
set_property PACKAGE_PIN V2  [get_ports sw[ 8]]
set_property PACKAGE_PIN T3  [get_ports sw[ 9]]
set_property PACKAGE_PIN T2  [get_ports sw[10]]
set_property PACKAGE_PIN R3  [get_ports sw[11]]
set_property PACKAGE_PIN W2  [get_ports sw[12]]
set_property PACKAGE_PIN U1  [get_ports sw[13]]
set_property PACKAGE_PIN T1  [get_ports sw[14]]
set_property PACKAGE_PIN R2  [get_ports sw[15]]

set_property PACKAGE_PIN U16 [get_ports led[ 0]]
set_property PACKAGE_PIN E19 [get_ports led[ 1]]
set_property PACKAGE_PIN U19 [get_ports led[ 2]]
set_property PACKAGE_PIN V19 [get_ports led[ 3]]
set_property PACKAGE_PIN W18 [get_ports led[ 4]]
set_property PACKAGE_PIN U15 [get_ports led[ 5]]
set_property PACKAGE_PIN U14 [get_ports led[ 6]]
set_property PACKAGE_PIN V14 [get_ports led[ 7]]
set_property PACKAGE_PIN V13 [get_ports led[ 8]]
set_property PACKAGE_PIN V3  [get_ports led[ 9]]
set_property PACKAGE_PIN W3  [get_ports led[10]]
set_property PACKAGE_PIN U3  [get_ports led[11]]
set_property PACKAGE_PIN P3  [get_ports led[12]]
set_property PACKAGE_PIN N3  [get_ports led[13]]
set_property PACKAGE_PIN P1  [get_ports led[14]]
set_property PACKAGE_PIN L1  [get_ports led[15]]

foreach port [get_ports] {
    set_property IOSTANDARD LVCMOS33 $port
    set_property SLEW FAST $port
}