#NET "BTN_SOUTH" LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN ;
#NET "BTN_WEST" LOC = "D18" | IOSTANDARD = LVTTL | PULLDOWN ;
# ==== Clock inputs (CLK) ====
-NET "sys_clk_real" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
+NET "CLK_50MHZ" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
# Define clock period for 50 MHz oscillator (40%/60% duty-cycle)
-NET "sys_clk_real" PERIOD = 20 ns HIGH 40 %;
+NET "CLK_50MHZ" PERIOD = 20 ns HIGH 40 %;
#NET "CLK_AUX" LOC = "B8" | IOSTANDARD = LVCMOS33 ;
#NET "CLK_SMA" LOC = "A10" | IOSTANDARD = LVCMOS33 ;
# ==== Digital-to-Analog Converter (DAC) ====
#NET "XC_TRIG" LOC = "R17" | IOSTANDARD = LVCMOS33 ;
#NET "XC_GCK0" LOC = "H16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
#NET "GCLK10" LOC = "C9" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
-NET "sys_clk_real" TNM_NET = "sys_clk_real";
+NET "CLK_50MHZ" TNM_NET = "CLK_50MHZ";
#NET "clk_reg1" TNM_NET = "clk_reg1";
#TIMESPEC "TS_clk_reg1" = PERIOD "clk_reg1" 40 ns HIGH 50 %;