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GenIO.ucf
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GenIO.ucf
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# soldered 50MHz Clock.
NET "Clk_50MHz" LOC = "C9" | IOSTANDARD = LVTTL | PERIOD = 20.0ns HIGH 50%;
# Ignore cross-clock domain data paths in timing analysis
#NET "Clk50" TNM = "TNM_Clk50";
#NET "ClkSys" TNM = "TNM_ClkSys";
#TIMESPEC "TS_12" = FROM "TNM_ClkSys" TO "TNM_Clk50" TIG;
#TIMESPEC "TS_13" = FROM "TNM_Clk50" TO "TNM_ClkSys" TIG;
#
# Push-buttons (Press = Hi)
#
#NET "btn_north" LOC = "V4" | IOSTANDARD = LVTTL | PULLDOWN;
#NET "btn_east" LOC = "H13" | IOSTANDARD = LVTTL | PULLDOWN;
#NET "btn_south" LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN;
NET "btn0" LOC = "D18" | IOSTANDARD = LVTTL | PULLDOWN;
#
# Slide switches (Up = Hi)
#
#NET "SW<0>" LOC = "L13" | IOSTANDARD = LVTTL | PULLUP;
#NET "SW<1>" LOC = "L14" | IOSTANDARD = LVTTL | PULLUP;
#NET "SW<2>" LOC = "H18" | IOSTANDARD = LVTTL | PULLUP;
#NET "SW<3>" LOC = "N17" | IOSTANDARD = LVTTL | PULLUP;
#
# Rotary encoder
#
#NET "ROT_A" LOC = "K18" | IOSTANDARD = LVTTL | PULLUP;
#NET "ROT_B" LOC = "G18" | IOSTANDARD = LVTTL | PULLUP;
#NET "ROT_CENTER" LOC = "V16" | IOSTANDARD = LVTTL | PULLDOWN;
#
# Simple LEDs (Hi = On)
#
#NET "led<0>" LOC = "F12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<1>" LOC = "E12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<2>" LOC = "E11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<3>" LOC = "F11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<4>" LOC = "C11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<5>" LOC = "D11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<6>" LOC = "E9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#NET "led<7>" LOC = "F9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 4;
#
# PS/2 port
#
#NET "PS2_Data" LOC = "G13" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8;
#NET "PS2_Clk" LOC = "G14" | IOSTANDARD = LVCMOS33 | SLEW = SLOW | DRIVE = 8;
#
# VGA
#
NET "VGA_R" LOC = "H14" | IOSTANDARD = LVTTL | SLEW = FAST | DRIVE = 8;
NET "VGA_G" LOC = "H15" | IOSTANDARD = LVTTL | SLEW = FAST | DRIVE = 8;
NET "VGA_B" LOC = "G15" | IOSTANDARD = LVTTL | SLEW = FAST | DRIVE = 8;
NET "VGA_HS" LOC = "F15" | IOSTANDARD = LVTTL | SLEW = FAST | DRIVE = 8;
NET "VGA_VS" LOC = "F14" | IOSTANDARD = LVTTL | SLEW = FAST | DRIVE = 8;
# RS-232 Serial Port: DCE
#NET "RS232_RXD" LOC = "R7" | IOSTANDARD = LVTTL ;
#NET "RS232_TXD" LOC = "M14" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;
# RS-232 Serial Port: DTE
#NET "RS232_RXD" LOC = "U8" | IOSTANDARD = LVTTL ;
#NET "RS232_TXD" LOC = "M13" | IOSTANDARD = LVTTL | DRIVE = 8 | SLEW = SLOW ;