sps4

MP3解码的ASIC全部过程

#******
# Preview export LEF
#
#	 Preview sub-version 4.4.3.100.85
#
# TECH LIB NAME: ugnLib
# TECH FILE NAME: techfile.cds
#******

VERSION 5.1 ;

NAMESCASESENSITIVE ON ;

BUSBITCHARS "<>" ;

UNITS
    DATABASE MICRONS 1000 ;
END UNITS

SPACING
END SPACING

SITE %NAME%_site
    SYMMETRY x y r90  ;
    CLASS core  ;
    SIZE %XSIZE% BY %YSIZE% ;
END %NAME%_site

MACRO %NAME%
    CLASS BLOCK ;
    POWER 0.00 ;
    FOREIGN %NAME% 0.00 0.00  ;
    ORIGIN -0.00 -0.00 ;
    SIZE %XSIZE% BY %YSIZE% ;
    SYMMETRY x y r90 ;
    SITE %NAME%_site ;
    PIN WEN
        DIRECTION INPUT ;
        PORT
        LAYER metal2 ;
        RECT  6.00 1.90 6.50 5.30 ;
        END
    END WEN
    PIN CSN
        DIRECTION INPUT ;
        PORT
        LAYER metal2 ;
        RECT  8.00 1.90 8.50 5.30 ;
        END
    END CSN
    PIN CK
        DIRECTION INPUT ;
        PORT
        LAYER metal2 ;
        RECT  10.00 1.90 10.50 5.30 ;
        END
    END CK
    PIN vdd!
        DIRECTION INOUT ;
        USE power ;
        PORT
        LAYER metal4 ;
        RECT  4.00 1.90 4.50 5.30 ;
        END
    END vdd!
    PIN gnd!
        DIRECTION INOUT ;
        USE ground ;
        PORT
        LAYER metal4 ;
        RECT  2.00 1.90 2.50 5.30 ;
        END
%PINS%
END %NAME%

END LIBRARY