cnt_ddr2_rd.cnt_ddr2_rd_arc Architecture Reference

Counter for accesses to DDR2. More...

Inheritance diagram for cnt_ddr2_rd.cnt_ddr2_rd_arc:

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Collaboration diagram for cnt_ddr2_rd.cnt_ddr2_rd_arc:

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List of all members.

Processes
cnt_rds	( CLK )
	Counter.
Signals
cnt	std_logic_vector ( 23 downto 0 ) := ( others = > ' 0 ' )
done_i	std_logic := ' 0 '

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Detailed Description

Counter for accesses to DDR2.

Definition at line 51 of file cnt_ddr2_rd.vhd.

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Member Function Documentation

[Process]

cnt_rds

( CLK )

Counter.

Definition at line 61 of file cnt_ddr2_rd.vhd.

  cnt_rds : process(CLK)
  begin
    if CLK'event and CLK = '1' then
      if RESET = '1' then
        cnt    <= (others => '0');
        done_i <= '0';
      else
        if cnt = "111111111111111111111111" then
          done_i <= '1';
          cnt    <= (others => '0');
        else
          done_i <= '0';
        end if;
        if (EN = '1' and done_i = '0') then
          cnt <= cnt + 1;
        else
          cnt <= cnt;
        end if;
      end if;
    end if;
  end process cnt_rds;

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The documentation for this class was generated from the following file:

• cnt_ddr2_rd.vhd