NET "clk" LOC = "AJ15";
NET "clk" IOSTANDARD = LVCMOS25;
NET "clk" TNM_NET = "clk";
TIMESPEC "TS_SYSTEM_CLOCK" = PERIOD "clk" 10.00 ns HIGH 50 %;

# AF9 is Switch 3 -- reset is connected to switch 3. Switch output
# a '0' when ON (up or closed) otherwise a '1' -- to reset, pull
# switch down and back up again
NET "reset" LOC = "AF9";
NET "reset" IOSTANDARD = LVCMOS25;

NET "enter_pb_not" LOC = "AG5";
NET "enter_pb_not" IOSTANDARD = LVTTL;

NET "tx_wire" LOC = "AE7";
NET "rx_wire" LOC = "AJ8";
NET "tx_wire" IOSTANDARD = LVCMOS25;
NET "rx_wire" IOSTANDARD = LVCMOS25;
NET "tx_wire" DRIVE = 8;
NET "tx_wire" SLEW = SLOW;

NET "LED_0_not" LOC = "AC4";
NET "LED_1_not" LOC = "AC3";
NET "LED_2_not" LOC = "AA6";
NET "LED_3_not" LOC = "AA5";

NET "LED_0_not" IOSTANDARD = LVTTL;
NET "LED_1_not" IOSTANDARD = LVTTL;
NET "LED_2_not" IOSTANDARD = LVTTL;
NET "LED_3_not" IOSTANDARD = LVTTL;

NET "LED_0_not" DRIVE = 12;
NET "LED_1_not" DRIVE = 12;
NET "LED_2_not" DRIVE = 12;
NET "LED_3_not" DRIVE = 12;

NET "LED_0_not" SLEW = SLOW;
NET "LED_1_not" SLEW = SLOW;
NET "LED_2_not" SLEW = SLOW;
NET "LED_3_not" SLEW = SLOW;