lib/implementations/deserializer_3x1_impl.xml

   1 <!DOCTYPE deserializer_3x1>
   2 <block_impl ref_name="deserializer_3x1.xml" ref_md5="">
   3   <comments>
   4     <author lastname="" mail="" firstname=""/>
   5     <log creation="2018-05-02">
   6     </log>
   7     <notes>
   8     </notes>
   9
  10   </comments>
  11   <libraries>
  12     <library name="ieee">
  13       <package name="std_logic_1164" use="all"/>
  14       <package name="numeric_std" use="all"/>
  15     </library>
  16   </libraries>
  17   <architecture>
  18 -- Signals
  19 signal do_out : std_logic;
  20 signal data1_reg : std_logic_vector(in_width-1 downto 0);
  21 signal data2_reg : std_logic_vector(in_width-1 downto 0);
  22
  23 signal count : unsigned(1 downto 0);
  24
  25 begin
  26
  27 deser_process : process (@{clk}, @{reset})
  28 begin
  29 if @{reset} = '1' then
  30 count &lt;= to_unsigned(0, 2);
  31 data1_reg &lt;= (others => '0');
  32 data2_reg &lt;= (others => '0');
  33 @{data1_out} &lt;= (others => '0');
  34 @{data2_out} &lt;= (others => '0');
  35 @{data3_out} &lt;= (others => '0');
  36 do_out &lt;= '0';
  37
  38 elsif rising_edge(@{clk}) then
  39
  40 do_out &lt;= '0';
  41 @{data1_out} &lt;= (others => '0');
  42 @{data2_out} &lt;= (others => '0');
  43 @{data3_out} &lt;= (others => '0');
  44
  45 if @{data_in_enb} = '1' then
  46
  47 if count = 0 then
  48 data1_reg &lt;= @{data_in};
  49 count &lt;= count + 1;
  50 elsif count = 1 then
  51 data2_reg &lt;= @{data_in};
  52 count &lt;= count + 1;
  53 elsif count = 2 then
  54 @{data1_out} &lt;= data1_reg;
  55 @{data2_out} &lt;= data2_reg;
  56 @{data3_out} &lt;= @{data_in};
  57 do_out &lt;= '1';
  58 count &lt;= to_unsigned(0, 2);
  59 end if;
  60 end if;
  61 end if;
  62
  63 end process deser_process;
  64
  65 @{data1_out_enb} &lt;= do_out;
  66 @{data2_out_enb} &lt;= do_out;
  67 @{data3_out_enb} &lt;= do_out;
  68 </architecture>
  69   <patterns>
  70     <delta value="3"/>
  71     <consumption>
  72       <input pattern="111" name="data_in_enb"/>
  73     </consumption>
  74     <production counter="3">
  75       <output pattern="0001" name="data1_out_enb"/>
  76       <output pattern="0001" name="data2_out_enb"/>
  77       <output pattern="0001" name="data3_out_enb"/>
  78     </production>
  79   </patterns>
  80 </block_impl>