distrib/share/gns_templates/column_xn.vhd

   1 --
   2 -- Template column_xn
   3 -- Recognition rule
   4 --
   5 -- capacity is the number of mem_cell composing column
   6 -- width is the number of column composing column_xn
   7 --
   8 --
   9 entity column_xn is
  10     generic ( size, width       : integer);
  11     port    ( com               : in    bit_vector(size-1 downto 0);
  12               q, nq             : inout mux_vector(width-1 downto 0) bus;
  13               vdd,gnd           : in    bit);
  14     -- pragma symmetric com
  15     -- pragma symmetric q(i) nq(i)
  16 end;
  17
  18 architecture structural of column_xn is
  19     component column
  20         generic ( capacity      : integer);
  21         port    ( q, nq         : inout mux_bit bus;
  22                   com           : in    bit_vector(capacity-1 downto 0);
  23                   vdd, gnd      : in    bit);
  24     end component;
  25
  26 begin
  27     loop: for i in width-1 downto 0 generate
  28         column_n : column
  29             generic map (size)
  30             port map (q(i) ,nq(i) ,com ,vdd ,gnd);
  31     end generate;
  32
  33 end;