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[/] [wb_lcd/] [trunk/] [myhdl/] [wb_lcd_workspace_ramless/] [boards/] [s3esk-wb_lcd/] [synthesis/] [system.ucf] - Rev 2

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NET "CLK" LOC = "C9" | IOSTANDARD = LVCMOS33 ;
NET "CLK" PERIOD = 20 HIGH 50%; # 50 MHZ
NET "RESET"  LOC = "H13" | IOSTANDARD = LVTTL | PULLDOWN ;

# ==== rotary encoder ====
NET "rot<0>"  LOC = "K18" | IOSTANDARD = LVTTL | PULLUP   ;
NET "rot<1>"  LOC = "G18" | IOSTANDARD = LVTTL | PULLUP   ;
NET "rot<2>"  LOC = "V16" | IOSTANDARD = LVTTL | PULLDOWN ;

NET "LCD_E"   LOC = "M18" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "LCD_RW"   LOC = "L17" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;
NET "SF_CE0"  LOC = "D16" | IOSTANDARD = LVCMOS33 | DRIVE = 4 | SLEW = SLOW ;

NET "LCD_RS"  LOC = "L18" | 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 ;

# ==== LED output ===
NET "led<7>" LOC = "F9"  | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<6>" LOC = "E9"  | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<5>" LOC = "D11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<4>" LOC = "C11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<3>" LOC = "F11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<2>" LOC = "E11" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<1>" LOC = "E12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;
NET "led<0>" LOC = "F12" | IOSTANDARD = LVTTL | SLEW = SLOW | DRIVE = 8 ;

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