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Const.ucf
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Const.ucf
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//CLOCK
NET "CLK" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
//LEDs for debug
NET "LED7" LOC = "F9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED6" LOC = "E9" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED5" LOC = "D11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED4" LOC = "C11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED3" LOC = "F11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED2" LOC = "E11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED1" LOC = "E12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "LED0" LOC = "F12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
//BUTTONS
NET "BTN_SAVE" LOC = "H13" | IOSTANDARD = LVTTL | PULLDOWN ; //RIGHT
NET "BTN_RESET" LOC = "V4" | IOSTANDARD = LVTTL | PULLDOWN ; //UP
NET "BTN_PUSH" LOC = "D18" | IOSTANDARD = LVTTL | PULLDOWN ; //LEFT
NET "BTN_DELETE" LOC = "K17" | IOSTANDARD = LVTTL | PULLDOWN ; //DOWN
NET "BTN_NL" LOC = "L13" | IOSTANDARD = LVTTL | PULLUP ;
//LCD
NET "LCD_E" LOC = "M18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "LCD_RS" LOC = "L18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "LCD_RW" LOC = "L17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
# The LCD four-bit data interface is shared with the StrataFlash.
NET "SF_D<0>" LOC = "R15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<1>" LOC = "R16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<2>" LOC = "P17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_D<3>" LOC = "M15" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;