min.sym

数字钟的实现

VERSION 5
BEGIN SYMBOL MIN
SYMBOLTYPE BLOCK
TIMESTAMP 2007 5 16 9 20 28
SYMPIN 0 -160 Input CLK
SYMPIN 0 -32 Input EN
SYMPIN 384 -160 Output COUT
SYMPIN 384 -32 Output MINSHI(3:0)
SYMPIN 384 -96 Output MINGE(3:0)
SYMPIN 0 32 Input clr
BEGIN DISPLAY 192 -200 ATTR SymbolName
    ALIGNMENT BCENTER
    FONT 56 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -160 PIN CLK ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 -32 PIN EN ATTR PinName
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -160 PIN COUT ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -32 PIN MINSHI(3:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 312 -96 PIN MINGE(3:0) ATTR PinName
    ALIGNMENT RIGHT
    FONT 24 "Arial"
END DISPLAY
BEGIN DISPLAY 72 32 PIN clr ATTR PinName
    FONT 24 "Arial"
END DISPLAY
LINE N 64 32 0 32 
LINE N 64 -160 0 -160 
LINE N 64 -32 0 -32 
LINE N 320 -160 384 -160 
LINE N 320 -32 384 -32 
RECTANGLE N 320 -44 384 -20 
LINE N 320 -96 384 -96 
RECTANGLE N 320 -108 384 -84 
RECTANGLE N 64 -192 320 64 
END SYMBOL