set_property PACKAGE_PIN P17 [get_ports clk]
set_property PACKAGE_PIN N15 [get_ports d]
set_property PACKAGE_PIN N16 [get_ports r]
set_property PACKAGE_PIN M17 [get_ports q]

set_property IOSTANDARD LVCMOS33 [get_ports clk]
set_property IOSTANDARD LVCMOS33 [get_ports d]
set_property IOSTANDARD LVCMOS33 [get_ports r]
set_property IOSTANDARD LVCMOS33 [get_ports q]