clocktop.pcf

一个在Xilinx spartan3实现的时钟

SCHEMATIC START ;
// created by map version G.23 on Wed Aug 01 22:11:13 2007 
COMP "N<0>" LOCATE =  SITE "P96" LEVEL 1; 
COMP "N<1>" LOCATE =  SITE "P95" LEVEL 1; 
COMP "N<2>" LOCATE =  SITE "P94" LEVEL 1; 
COMP "N<3>" LOCATE =  SITE "P93" LEVEL 1; 
COMP "N<4>" LOCATE =  SITE "P85" LEVEL 1; 
COMP "N<5>" LOCATE =  SITE "P76" LEVEL 1; 
COMP "N<6>" LOCATE =  SITE "P62" LEVEL 1; 
COMP "N<7>" LOCATE =  SITE "P61" LEVEL 1; 
COMP "P<0>" LOCATE =  SITE "P102" LEVEL 1; 
COMP "P<1>" LOCATE =  SITE "P101" LEVEL 1; 
COMP "P<2>" LOCATE =  SITE "P100" LEVEL 1; 
COMP "P<3>" LOCATE =  SITE "P97" LEVEL 1; 
COMP "b1" LOCATE =  SITE "P63" LEVEL 1; 
COMP "b2" LOCATE =  SITE "P64" LEVEL 1; 
COMP "b3" LOCATE =  SITE "P65" LEVEL 1; 
COMP "b4" LOCATE =  SITE "P71" LEVEL 1; 
COMP "clk" LOCATE =  SITE "P79" LEVEL 1; 
NET "clk_BUFGP/IBUFG" BEL "clk_BUFGP/BUFG.GCLKMUX" USELOCALCONNECT ;
SCHEMATIC END ;