RouteTypeName specialRoute
TopPreferredLayer 4
BottomPreferredLayer 3
PreferredExtraSpace 3
End
#-- Regular Route Type --
RouteTypeName regularRoute
TopPreferredLayer 4
BottomPreferredLayer 3
PreferredExtraSpace 2
End
#-- leaf Route Type --
RouteTypeName leafRoute
TopPreferredLayer 4
BottomPreferredLayer 3
PreferredExtraSpace 1
End
# PLL Clock
AutoCTSRootPin pll_clk
...
RouteType specialRoute
LeafRouteType specialRoute
END
# Clock1
AutoCTSRootPin clk1
...
RouteType regularRoute
LeafRouteType leafRoute
END