![]() ![]() If speed is not of great importance, a cost-effective option is to use a serial adder.ALL entity SA_VHDL is Port ( I: in std_logic_vector ( 15 downto 0 ) O: out std_logic_vector ( 7 downto 0 ) c_i, a_i, b_i, c_o, s_o: out std_logic CLK: in std_logic Load: in std_logic ) end SA_VHDL architecture Behavioral of SA_VHDL is signal ina, inb, oreg: std_logic_vector ( 7 downto 0 ) signal so, ci, co: std_logic begin -rec ina process ( CLK ) begin if CLK 'event and CLK = '1' then if ( Load = '1' ) then ina. The full adder circuit can be simplified. Let us look at the source code for the implemmentation of a full adder. Figure 4-2 Control State Graph and Table for Serial Adder. ![]() ![]() Circuit Clock N (Start Signal) SI Sh Sh SI Sh Sh. Figure 4-1 Serial Adder with Accumulator. Hint: Write one module to describe the datapath and a second module to describe the control. The result should be stored back into the A register. The circuit should add two 8-bit numbers, A and B. Design a serial adder circuit using Verilog. ![]()
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March 2023
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