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https://opencores.org/ocsvn/sdram_controller/sdram_controller/trunk
[/] [sdram_controller/] [trunk/] [sdram_support.vhd] - Diff between revs 2 and 6
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| Rev 2 |
Rev 6 |
| Line 679... |
Line 679... |
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entity inout_switch_2 is
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entity inout_switch_2 is
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port (
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port (
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ioport : inout std_logic_vector(1 downto 0);
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ioport : inout std_logic_vector(1 downto 0);
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dir : in std_logic;
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dir : in std_logic;
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data_o : out std_logic_vector(1 downto 0);
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data_i : in std_logic_vector(1 downto 0)
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data_i : in std_logic_vector(1 downto 0)
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);
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);
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end inout_switch_2;
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end inout_switch_2;
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architecture impl of inout_switch_2 is
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architecture impl of inout_switch_2 is
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begin
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begin
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data_o <= ioport when dir = '0' else "ZZ";
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ioport <= data_i when dir = '1' else "ZZ";
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ioport <= data_i when dir = '1' else "ZZ";
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end impl;
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end impl;
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library IEEE;
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library IEEE;
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