lcd.sym

数字钟的实现

VERSION 5
BEGIN SYMBOL 
SYMBOLTYPE BLOCK
TIMESTAMP 2007 4 18 2 28 38
SYMPIN 0 -480 Input clk
SYMPIN 0 -416 Input Reset
SYMPIN 0 -352 Input din1(0:3)
SYMPIN 0 -304 Input din2(0:3)
SYMPIN 0 -256 Input din3(0:3)
SYMPIN 0 -208 Input din4(0:3)
SYMPIN 0 -160 Input din5(0:3)
SYMPIN 0 -112 Input din6(0:3)
SYMPIN 384 -480 Output lcd_rs
SYMPIN 384 -336 Output lcd_rw
SYMPIN 384 -192 Output lcd_e
SYMPIN 384 -112 Output data(7:0)
BEGIN DISPLAY 192 -520 ATTR SymbolName
    ALIGNMENT BCENTER
    FONT 56 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -480 PIN clk ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -416 PIN Reset ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -352 PIN din1(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -304 PIN din2(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -256 PIN din3(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -208 PIN din4(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -160 PIN din5(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -112 PIN din6(0:3) ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -480 PIN lcd_rs ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -336 PIN lcd_rw ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -192 PIN lcd_e ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -112 PIN data(7:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
LINE N 64 -480 0 -480 
LINE N 64 -416 0 -416 
LINE N 320 -480 384 -480 
LINE N 320 -336 384 -336 
LINE N 320 -192 384 -192 
RECTANGLE N 64 -512 320 -64 
LINE N 64 -304 0 -304 
RECTANGLE N 0 -316 64 -292 
LINE N 64 -352 0 -352 
RECTANGLE N 0 -364 64 -340 
LINE N 64 -256 0 -256 
RECTANGLE N 0 -268 64 -244 
LINE N 64 -208 0 -208 
RECTANGLE N 0 -220 64 -196 
LINE N 64 -160 0 -160 
RECTANGLE N 0 -172 64 -148 
LINE N 64 -112 0 -112 
RECTANGLE N 0 -124 64 -100 
LINE N 320 -112 384 -112 
RECTANGLE N 320 -124 384 -100 
END SYMBOL