#PACE: Start of Constraints generated by PACE
#PACE: Start of PACE I/O Pin Assignments
# 100 MHz clock
NET "sys_clk" LOC = "B8" ;
#
# PUSH BUTTONS
#
# SW3 - pushbutton 1
NET "rst_sw" LOC = "M4" ;
# SW4 - pushbutton 2
NET "nmi_sw" LOC = "T7" ;
#
# LEDs
#
#NET "leds<0>" LOC = "K12";
#NET "leds<1>" LOC = "P14";
#NET "leds<2>" LOC = "L12";
#NET "leds<3>" LOC = "N14";
#NET "leds<4>" LOC = "P13";
#NET "leds<5>" LOC = "N12";
#NET "leds<6>" LOC = "P12";
#NET "leds<7>" LOC = "P11";
#
# Switches
#
NET "switches<0>" LOC = "D8";
NET "switches<1>" LOC = "R13";
NET "switches<2>" LOC = "T14";
NET "switches<3>" LOC = "P16";
NET "switches<4>" LOC = "N16";
NET "switches<5>" LOC = "M13";
NET "switches<6>" LOC = "J16";
NET "switches<7>" LOC = "J15";
#
# PS/2 KEYBOARD
#
#NET "ps2c" LOC = "M16" ;
#NET "ps2d" LOC = "M15" ;
#
# UART
#
NET "rxd" LOC = "T9" ;
NET "txd" LOC = "T10" ;
#
# VDU
#
NET "red" LOC = "M2" ;
NET "green" LOC = "T5" ;
NET "blue" LOC = "N7" ;
NET "hs" LOC = "L1" ;
NET "vs" LOC = "L2" ;
#
# 7 SEGMENT DISPLAY
#
NET "segments<0>" LOC = "D12";
NET "segments<1>" LOC = "C12";
NET "segments<2>" LOC = "B13";
NET "segments<3>" LOC = "A9";
NET "segments<4>" LOC = "B9";
NET "segments<5>" LOC = "C9";
NET "segments<6>" LOC = "D9";
NET "segments<7>" LOC = "A10";
#
# Timing Constraints
#
NET "sys_clk" TNM_NET = "sys_clk";
TIMESPEC "TS_sys_clk" = PERIOD "sys_clk" 20 ns LOW 50 %;
#PACE: Start of PACE Area Constraints
#PACE: Start of PACE Prohibit Constraints
#PACE: End of Constraints generated by PACE
