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1602液晶与spartan-3e 的引脚匹配

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1602液晶与spartan-3e 的引脚匹配
Clk : in std_logic;
Reset:in std_logic;
LCD_RS : out std_logic;
LCD_RW : out std_logic;
LCD_EN : out std_logic;
LED : out std_logic;
LCD_Data : out std_logic_vector(7 downto 0));
主要是LED 和LCD_DATA SPARTA-3E上有DB4 DB5 DB6 DB7 RS RW E
1602液晶与spartan-3e 的引脚匹配
NET "clk" LOC = "C9" | IOSTANDARD = LVTTL ;
NET "flash_ce" LOC = "D16" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_d" LOC = "R15" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_d" LOC = "R16" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_d" LOC = "P17" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_d" LOC = "M15" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_e" LOC = "M18" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_rs" LOC = "L18" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "lcd_rw" LOC = "L17" | IOSTANDARD = LVTTL | DRIVE = 2 | SLEW = SLOW ;
NET "reset" LOC = "L13" | IOSTANDARD = LVTTL | PULLUP ;
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