xilinx/xc7/tests/common/zybo.pcf - symbiflow-arch-defs - Git at Google

 # 125MHz clk
 set_io clk K17

 # in[] correspond with SW0-SW3 on the zybo
 set_io sw[0] G15
 set_io sw[1] K18
 set_io sw[2] K19

 # out[] correspond with LD0-LD3 on the zybo
 set_io led[0] M14
 set_io led[1] M15
 set_io led[2] G14
 set_io led[3] D18
	# 125MHz clk
	set_io clk K17

	# in[] correspond with SW0-SW3 on the zybo
	set_io sw[0] G15
	set_io sw[1] K18
	set_io sw[2] K19

	# out[] correspond with LD0-LD3 on the zybo
	set_io led[0] M14
	set_io led[1] M15
	set_io led[2] G14
	set_io led[3] D18